Story
Strength Plateaus After Years of Lifting
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In one pass The longer you train, the less progress the same training buys: the closer you are to your own ceiling, the less room your body has left to adapt.
Educational content, not medical advice — consult a clinician.
Story path
Chapter 1
Why gains slow near your ceiling
This story is for people who have trained consistently for a year or more and whose main lift has not moved for months, for example a bench press stuck at one weight for three months.
A step you can take today: dig out your training log for the past few weeks and see whether the weights, the number of sets and your sleep have all stalled together.
If you get sudden chest pain or tightness during or after training, or faint during exercise, call emergency services now; if after a session your muscles are in severe pain and weak, and your urine turns cola-colored or dark like soy sauce, go to the emergency department immediately; see Working through a plateau, step by step.
Evidence · Trained lifters need a bigger stimulus
Latella 2020 went through competition records from 2003 to 2018: of the 1897 powerlifters, 626 were women and 1271 were men. Overall, men and women gained about the same amount of strength per day (0.15 kilograms for men, 0.12 kilograms for women). When they were split into four groups by starting strength, the strongest quarter of the men gained 0.102 kilograms a day and the weakest quarter 0.211 kilograms, while the four groups of women did not differ. The link between starting strength and the rate of gain was also weak. This is an observational study of past competition results: it shows that stronger men gained more slowly, and the authors explain it as a ceiling effect without measuring the cause directly.Another clue comes from dose studies. Rhea 2003 pooled 140 studies: untrained people gained most when they trained at an average of 60% of their one-repetition maximum (, the most you can lift once), while trained people needed 80%; untrained people gained most training each muscle group 3 days a week, trained people 2 days; both groups gained most with 4 sets per muscle group. Peterson 2004 looked only at collegiate and professional athletes, who gained most at 85%, 2 days a week and 8 sets per muscle group.
Read together: the stronger a person is, the bigger the stimulus needed for the largest gains, which is exactly what progressive overload means. These are average trends across many studies, used here to explain why experienced lifters progress slowly, not a training prescription for anyone. Why beginners progress so fast is covered in Progressive Overload, in the chapter on fast early gains that later slow down.
Chapter 2
How fatigue can hide your strength
Fatigue also comes in degrees. Training hard for a short spell, seeing results dip for a while and then coming back stronger after rest is called functional overreaching, and it is part of normal training. Results that keep falling, recovery that never comes however much you rest, often with low mood, worse sleep and frequent illness, should make you think of overtraining syndrome; persistent fatigue and falling performance can also come from other problems such as anemia or infection, which a doctor should rule out first.
A step you can take today: when you are stuck, plan an easier spell first and test again afterward, rather than adding more training straight away.
Evidence · Why less training can show more strength
Travis 2020 is a review of tapering before strength competitions. In the powerlifting studies it pooled, the squat rose by 2.3%–5.9% after a taper, the bench press by 1.8%–6.4% and the deadlift by 3.8%–4.8%. The authors write that in highly trained strength athletes, maximal strength may be brought to its peak after a short spell of reduced training, because the nerves and muscles recover; the approach they distill is to clearly cut training volume over 1–2 weeks while keeping the intensity or lowering it slightly. The review also admits that evidence on how strength athletes should taper is thin, and that much of it comes down to trial and error.This shows one thing: the number you test while stuck mixes two things, strength and fatigue. Train a few more weeks and pile up more fatigue, and the number may stay put or even fall; clear the fatigue, and what you have built finally shows.
The deload week in everyday training works the same way (see the chapter on why to plan a lighter week in Recovery science). The Bell 2020 scoping review found that in strength training a short spell of hard training often brings better results after recovery, while training too much for too long without enough recovery can turn into non-functional overreaching that rest does not quickly fix. The joint consensus of the European College of Sport Science and the American College of Sports Medicine says that successful training must involve overload but avoid excessive overload combined with too little recovery; when overtraining is suspected, illness and infection come first, along with eating too little over a long time (a negative energy balance), too little carbohydrate or protein, and iron deficiency.
Evidence · What a full week off does
An easier week and a week of no training at all are not the same thing. Coleman 2024 randomized 39 trained young adults (29 men, 10 women) into two groups that both followed a 9-week high-volume program: one group stopped training completely for one week at the midpoint, the other trained throughout. After 9 weeks, leg muscle had grown about the same in both groups, and local endurance and power did not differ; but the group that kept training gained more static and dynamic leg strength, and it also scored slightly better on a readiness-to-train questionnaire.So in this study, a full week off did not make the muscles more responsive to training, and strength actually rose a little less. It had only 39 people over 9 weeks on a high-volume program, with the leg training supervised and the upper-body training done alone; and it did not test a taper: the competition taper studies above kept the intensity and only cut the volume.
In practice: when you are genuinely worn out and need rest, or are ill or injured, a week off will not undo your work; but if you only want to break through a plateau, a planned reduction that keeps some heavy lifting is closer to the current evidence than doing nothing.
Chapter 3
Does periodization actually work?
Volume and frequency matter more. In an analysis pooling 67 studies, the more weekly sets and the more often people trained, the more their strength rose, but the returns diminished quickly. How close each set came to failure made almost no difference to strength, though it did matter for muscle growth.
A step you can take today: rather than switching to a program with a bigger name, first work out how many times a week you train your main lift and how many sets you do.
Evidence · What the meta-analyses found
Williams 2017 pooled 18 studies from 1988 to 2015: periodized training raised the one-repetition maximum more than non-periodized training, with an effect size of 0.43 (95% 0.27–0.58). An effect size expresses the gap between groups in standard units, and the authors read 0.43 as moderate. The gap was larger in untrained people, and larger with more frequent training and longer studies; undulating programs, which rotate heavy and light from session to session or week to week, did better than linear programs, which add load step by step. The authors conclude that varying the training stimulus appears vital for increasing maximal strength.One problem with that analysis is that the periodized groups often trained more as well. Moesgaard 2022 included only the 35 studies in which both groups did the same total volume: periodization still helped the one-repetition maximum, with an effect size of 0.31 (95% CI 0.04–0.57), but made no difference to muscle growth (0.13, 95% CI −0.10 to 0.36). Undulating did slightly better than linear (0.31), but only in trained people (0.61, 95% CI 0.00–1.22, with the lower limit touching 0), and not in untrained people (0.06). The authors suggest that the strength benefit of periodization may come from adaptations in the nervous system. Grgic 2017 pooled 13 studies and found linear and daily undulating programs almost identical for muscle growth (−0.02).
The American College of Sports Medicine position stand on strength training recommends that people with more than about six months of experience train across a wider range of loads in a periodized way, with growing emphasis on heavy loads. Read the limits: all the gaps above are small, the trained participants in these studies were mostly young men, and no way of arranging training has been shown to break every plateau.
Evidence · Volume, frequency and nearness to failure
Pelland 2026 ran a series of regression analyses on 67 studies with 2058 participants (79.1% men, average age about 25): the larger the weekly training volume, the more muscle and strength both increased, but with diminishing returns, and the returns diminished clearly faster for strength; the more times a week people trained, the more strength rose too, again with diminishing returns, while the effect on muscle growth was small enough to ignore. The authors also disclose that they are coaches and writers in the fitness industry.Robinson 2024, a separate set of exploratory regressions from the same group, used the number of repetitions left at the end of each set (repetitions in reserve) as the measure of how close a set came to failure: strength gains were about the same across a wide range, while muscle growth increased the closer sets came to failure. Repetitions in reserve were estimated by the authors from each study's description, so the exact relationship is still unclear.
Read together: for a stuck strength lift, taking every set to failure is not the lever; volume and frequency are, but with diminishing returns, and more training brings more fatigue (see How fatigue can hide your strength). The details of how many sets per muscle group per week are in Progressive Overload, in the chapter on sets, reps and how close to failure.
Chapter 4
A max lift is partly a skill
The sticking point is part of that skill too. Every lift has a stretch that is disproportionately hard, called the sticking point, and that is where form most easily breaks down; in the bench press it sits on average at about 30% of the way up, and its position differs somewhat from person to person. Change exercises with a purpose: one systematic review concludes that planned changes may help, while changing too often or at random may actually hold progress back.
A step you can take today: keep your main lift, and do not swap it out just for novelty.
Evidence · Why practicing the test itself helps
In this Schoenfeld 2017 of 21 studies, light loads (60% of the one-repetition maximum or less) were compared with heavy loads (above 60%), with every set taken to failure for at least 6 weeks: muscle growth was about the same, the one-repetition maximum rose more with heavy loads, and static strength, measured with the joint held still, did not differ. In other words, the advantage of heavy loads lands exactly on the maximal lift.Mattocks 2017 randomized 38 untrained people into two groups for 8 weeks of leg extensions and seated chest presses: one group did 4 sets of each exercise to failure; the other did only up to 5 single attempts per session, testing the most they could lift. The high-volume group grew more muscle at most sites and did far more total work; yet the one-repetition maximum rose the same in both groups, and static and isokinetic strength did not differ either. The authors conclude that neither training volume nor muscle growth produced more strength than simply practicing the test.
Read the limits: the participants in these studies were mostly or entirely untrained, and in beginners the strength gained in the first weeks comes mainly from the nerves learning to call on existing muscle better (see Neural drive vs hypertrophy). Whether heavy practice brings as much progress in people who have trained for years has not been measured directly; the mechanism predicts that the skill part of a maximal lift still has to be practiced near maximal loads.
In practice · Sticking points and changing exercises
The Kompf 2017 review defines the sticking point as the position in a lift where the difficulty rises out of proportion: it is the bottleneck of the lift, and also where form most easily breaks down and goes wrong. In the bench press the sticking point sits on average at about 30% of the way up; its position varies a good deal between people, and experienced lifters gradually settle on the way of pushing that best fits their own build. The authors argue that you should first work out where and why you stall, and then design training aimed at that. The review pools observational studies, and no particular method for a sticking point has been proven in trials, so this site gives no specific exercises.Changing exercises also comes in planned and random forms. The Kassiano 2022 systematic review included 8 studies with 241 young men: planned, targeted changes may help different regions of a muscle grow better and raise maximal strength more, while exercises that repeat the same stimulus, or changing too often, may actually hold progress back. Baz-Valle 2019 had 21 trained men train for 8 weeks, one group with fixed exercises and one with exercises changed at random each session by a phone app: maximal bench press and squat rose clearly in both groups with no difference, and the random group was more motivated to train.
Read together: keep the main lift itself, because that is where the skill is built and progress shows; assistance exercises can change on a plan, for a reason such as a sticking point or a weak area, not just for novelty. The studies here are all small, and their participants were all young men.
Chapter 5
Limits that sit outside the gym
There is one more possibility to face honestly: you may be close to your ceiling for now, and from here progress will be slow and small, which is not a sign that you are not trying hard enough. Shortcuts around your physiological ceiling basically do not exist; anything that seems that miraculous is most likely a drug or a scam.
A step you can take today: when you are stuck, look back first at whether your sleep, body weight and eating have changed recently, and only then touch the training plan.
Evidence · What short sleep and too little food cost
The Knowles 2018 systematic review (17 studies, rated moderate or weak in quality) found that one night without sleep had little effect on maximal strength; only after several nights of short sleep did strength in multi-joint lifts such as the squat fall, while single-joint movements did not. How to adjust on a short-sleep day is covered in Training When You Are Short on Sleep.Murphy 2022 pooled of strength training in an energy deficit lasting at least 3 weeks: compared with control groups who ate enough, gains in lean mass were clearly held back (effect size −0.57), while strength gains did not differ significantly (−0.31). The regression estimated that a deficit of about 500 kilocalories a day was enough to stop lean mass from increasing. So if you train while losing fat, muscle growth is what suffers first; in these trials lasting at least 3 weeks, strength still rose, with no significant difference from people who ate enough.
Morton 2018 pooled 49 randomized trials with 1863 participants: in strength training lasting at least 6 weeks, extra protein added about 2.49 kilograms to the one-repetition maximum, and none of the factors the authors checked, such as age or training experience, changed that; what was larger in trained people and shrank with age was the effect on lean mass. How much to eat in a day and how to spread it is covered in Protein + lifting.
The joint consensus of the European College of Sport Science and the American College of Sports Medicine lists eating too little over a long time, too little carbohydrate or protein, and iron deficiency among the factors to check first when performance falls. As for the ceiling, in the Latella 2020 competition data the strongest men gained most slowly, which the authors suggest may be a ceiling effect, while the four groups of women showed no such difference. Why muscle growth has a personal ceiling is covered in Hypertrophy mechanisms, in the chapter on the hypertrophy ceiling.
Chapter 6
Working through a plateau, step by step
Beyond that, work through a plateau by changing one thing at a time:
Keep a record first: the weight, the reps and how many reps you had left in each set, plus your sleep and body weight.Plan an easier spell first, then test again.Then look at how many times a week you train the main lift and how many sets you do.Keep the main lift, and change assistance exercises on purpose, aimed at your sticking point.
A step you can take today: from your next session on, write down the weight, the reps and how many reps you felt you had left in each set.
In practice · One change at a time, and reading your log
Changing one thing at a time lets you see which change worked. Switch programs, add volume and change your diet all at once, and whether you go up or down next time, you cannot tell why. Each step below matches a mechanism described earlier; it is not a training plan.Step one: suspect fatigue first. When you have trained a lot for several weeks and the weight is not moving or is even going down, plan an easier spell first: keep some heavy lifting, clearly cut the total volume, and then test again. Taper studies in powerlifters saw gains (see How fatigue can hide your strength); a full week off brought no benefit in one study, and strength rose a little less.
Step two: then look at the dose. When you are stuck, the question is how many times a week you train the main lift and how many sets you do, not whether every set goes to failure: more volume and frequency bring more strength, with diminishing returns, while nearness to failure matters little for strength.
Step three: look at skill and sticking points. Part of a maximal lift is skill, which you only practice near maximal loads; keep the main lift, and change assistance exercises on a plan, aimed at a sticking point or a weak area.
Step four: look outside the gym. Have you recently been losing weight, sleeping less, or eating too little protein?
Reading your log: the same exercise at the same weight feeling clearly harder than usual is a sign that fatigue has not cleared; the reps you can do, or the reps you have left, creeping up over a few weeks is progress even if your maximum has not changed. The joint consensus of the European College of Sport Science and the American College of Sports Medicine says that none of the markers currently used to detect overtraining (hormones, performance tests, psychological questionnaires, and biochemical and immune markers) meets the criteria to be generally accepted, so a log is about trends, not any one day.
Red flag · Signs to stop and seek care now
The signs below are not the ordinary fatigue of a plateau; they need action right away. This site does not diagnose; if they appear, stop first.Sudden chest pain or tightness during or after training that feels like pressure or squeezing, may spread to the arm, neck or jaw, and comes with breathlessness or a cold sweat: it may be a heart emergency, so call emergency services now.Fainting during exercise: call emergency services now. Anyone who has fainted, even once, should see a doctor to find the cause.Pain and swelling far out of proportion to the training you did, muscles too weak to move, and above all urine that turns cola-colored or dark like soy sauce: it may be rhabdomyolysis, so go to the emergency department immediately. Unaccustomed exercise done too hard all at once is one of its triggers.Results that keep falling and recovery that never comes however much you rest, often with low mood, worse sleep and frequent illness: think of overtraining syndrome, stop and see a doctor; persistent fatigue and falling performance can also come from other problems such as anemia or infection, which a doctor should rule out first.Joint pain that does not settle after you cut back, keeps coming back in the same place, or a joint that locks, a limb that goes numb, or a sudden loss of strength: do not try again, and see a doctor; the specific signs are in Training injuries.
References · 20
- Latella, C., Teo, W.-P., Spathis, J., & van den Hoek, D. (2020). Long-term strength adaptation: a 15-year analysis of powerlifting athletes. Journal of Strength and Conditioning Research, 34(9), 2412-2418. Retrospective competition records of 1,897 powerlifters (626 women, 1,271 men) over 2003-2018: strength gain per day was similar between sexes (women 0.12 ± 0.69, men 0.15 ± 0.44 kg/day), 'However, the strongest males showed a lower rate of strength improvement (0.102 kg·d) compared with least strong males (0.211 kg·d)'; no differences across quartiles for women; correlations of strength gain with baseline strength and number of competitions were weak. Conclusion: 'The results suggest similar strength adaptation between sexes. The strongest males improve more slowly, possibly due to a ceiling effect' (abstract, PMID 32865942). 10.1519/JSC.0000000000003657
- Rhea, M. R., Alvar, B. A., Burkett, L. N., & Ball, S. D. (2003). A meta-analysis to determine the dose response for strength development. Medicine & Science in Sports & Exercise, 35(3), 456-464. Meta-analysis of 140 studies (1,433 effect sizes): 'ES demonstrated different responses based on the training status of the participants. Training with a mean intensity of 60% of one repetition maximum elicits maximal gains in untrained individuals, whereas 80% is most effective in those who are trained.' Untrained gained most training each muscle group 3 days a week and trained individuals 2 days a week; four sets per muscle group elicited maximal gains in both. Conclusion: the dose-response trends 'support the theory of progression in resistance program design' (abstract, PMID 12618576). 10.1249/01.MSS.0000053727.63505.D4
- NHS. (2026). Heart attack: symptoms. Symptoms can include chest pain that may feel like crushing or squeezing on the chest and may spread to the arm, neck and jaw; feeling short of breath; feeling or being sick; feeling like indigestion; sweating; and pale, blue or grey skin. Call 999 for chest pain that feels tight or like squeezing, or that spreads to the arms, neck or jaw, with severe difficulty breathing, or if someone becomes unresponsive. A heart attack needs emergency treatment in hospital (page last reviewed 31 March 2026). www.nhs.uk/conditions/heart-attack/symptoms
- NHS. (2026). Fainting (page last reviewed 17 August 2026). Fainting is when you pass out for a short time; it is not usually serious, but anyone who has fainted should see a GP to find out what might have caused it. Causes can include standing up too quickly (which could be a sign of low blood pressure), not eating or drinking enough, being too hot, being very upset or in severe pain, heart problems, and taking drugs or drinking too much alcohol. Call 999 if someone is not breathing, cannot be woken up within 1 minute, has not fully recovered or has difficulty with speech or movement, has chest pain or a pounding, fluttering or irregular heartbeat (palpitations), has seriously hurt themselves before or after fainting, is shaking or jerking (a seizure), fainted while exercising, or fainted while lying down; do not drive yourself to A&E. If you feel about to faint: lie down with your legs raised, or if you cannot, sit with your head lowered between your knees; drink some water; cross your legs while standing up or rock up and down on your toes; clench your fists. If you see someone faint: check whether they respond by gently shaking their shoulders and asking loudly; if not, shout for help and tilt back the head and lift the chin; listen for breathing for at least 10 seconds; if they are breathing normally, lay them on their back and raise their legs (on their side if pregnant, especially over 28 weeks); they usually wake up within 30 seconds. www.nhs.uk/conditions/fainting
- Rawson, E. S., Clarkson, P. M., & Tarnopolsky, M. A. (2017). Perspectives on exertional rhabdomyolysis. Sports Medicine, 47(Suppl 1), 33-49. 'Exertional (exercise-induced) rhabdomyolysis is a potentially life threatening condition'; its causes can include direct muscle injury, unaccustomed exercise, ischemia, extreme temperatures, electrolyte abnormalities, drugs and genetic disorders. Although its prevalence is low, cases still occur 'where exercise is improperly prescribed or used as punishment, or incomplete medical history is taken'; healthcare professionals should be able to recognize its basic signs so prompt treatment can be given, and for the risk to remain low exercise prescription must follow professional standards (abstract, PMID 28332112). 10.1007/s40279-017-0689-z
- Travis, S. K., Mujika, I., Gentles, J. A., Stone, M. H., & Bazyler, C. D. (2020). Tapering and peaking maximal strength for powerlifting performance: a review. Sports, 8(9), 125. Narrative review of tapering and training cessation before strength competition; the abstract notes that evidence on peaking for strength and power athletes 'is lacking' and practitioners often rely on trial and error. Full text (PMC7552788): in powerlifters, tapers improved the back squat (2.3-5.9%), bench press (1.8-6.4%) and deadlift (3.8-4.8%); 'maximal strength performance in highly trained strength athletes may be brought to peak levels after a short duration of reduced volume due to neuromuscular recovery'; the authors suggest reducing training volume by approximately 30-70% while maintaining intensity (or reducing it) over a 1-2 week period. 10.3390/sports8090125
- Meeusen, R., Duclos, M., Foster, C., Fry, A., Gleeson, M., Nieman, D., Raglin, J., Rietjens, G., Steinacker, J., & Urhausen, A. (2013). Prevention, diagnosis, and treatment of the overtraining syndrome: joint consensus statement of the European College of Sport Science (ECSS) and the American College of Sports Medicine (ACSM). European Journal of Sport Science, 13(1), 1-24. Distinguishes functional overreaching, non-functional overreaching, and overtraining syndrome (prolonged maladaptation); recovery balance and monitoring are central. 10.1080/17461391.2012.730061
- Coleman, M., Burke, R., Augustin, F., Piñero, A., Maldonado, J., Fisher, J. P., Israetel, M., Androulakis Korakakis, P., Swinton, P., Oberlin, D., & Schoenfeld, B. J. (2024). Gaining more from doing less? The effects of a one-week deload period during supervised resistance training on muscular adaptations. PeerJ, 12, e16777. Thirty-nine resistance-trained young adults (29 men, 10 women) were randomized to abstain from resistance training for 1 week at the midpoint of a 9-week high-volume program (DELOAD) or to train continuously (TRAD). 'Results indicated no appreciable differences in increases of lower body muscle size, local endurance, and power between groups. Alternatively, TRAD showed greater improvements in both isometric and dynamic lower body strength compared to DELOAD.' Conclusion: 'a 1-week deload period at the midpoint of a 9-week RT program appears to negatively influence measures of lower body muscle strength but has no effect on lower body hypertrophy, power or local muscular endurance' (abstract, PMID 38274324). 10.7717/peerj.16777
- Williams, T. D., Tolusso, D. V., Fedewa, M. V., & Esco, M. R. (2017). Comparison of periodized and non-periodized resistance training on maximal strength: a meta-analysis. Sports Medicine, 47(10), 2083-2100. Eighteen studies (81 effects, 1988-2015): 'the magnitude of improvement in 1RM following periodized resistance training was greater than non-periodized resistance training (ES = 0.43, 95% CI 0.27-0.58)'; undulating programs were more favorable, and 'Improvements in 1RM were greater among untrained participants'; higher frequency and longer studies were associated with larger improvements. Conclusion: 'periodized resistance training plans have a moderate effect on 1RM compared to non-periodized training plans. Variation in training stimuli appears to be vital for increasing maximal strength' (abstract, PMID 28497285). 10.1007/s40279-017-0734-y
- Moesgaard, L., Beck, M. M., Christiansen, L., Aagaard, P., & Lundbye-Jensen, J. (2022). Effects of periodization on strength and muscle hypertrophy in volume-equated resistance training programs: a systematic review and meta-analysis. Sports Medicine, 52(7), 1647-1666. Thirty-five studies, volume equated between conditions: periodized versus non-periodized training favored periodization for 1RM strength (ES 0.31, 95% CI 0.04-0.57), while muscle hypertrophy did not differ (ES 0.13, 95% CI -0.10 to 0.36). Undulating beat linear periodization for 1RM (ES 0.31, 95% CI 0.02-0.61), but only in trained participants (ES 0.61, 95% CI 0.00-1.22), not untrained (ES 0.06). Conclusion: 'when volume is equated between conditions, periodized resistance training has a greater effect on 1RM strength compared to NP resistance training'; 'Periodization of volume and intensity does not seem to affect muscle hypertrophy in volume-equated pre-post designs', and the strength effect may relate to neurophysiological adaptations (abstract, PMID 35044672). 10.1007/s40279-021-01636-1
- Pelland, J. C., Remmert, J. F., Robinson, Z. P., Hinson, S. R., & Zourdos, M. C. (2026). The resistance training dose response: meta-regressions exploring the effects of weekly volume and frequency on muscle hypertrophy and strength gains. Sports Medicine, 56(2), 481-505 (epub December 2025). Multilevel meta-regressions of 67 studies (2,058 participants, 79.1% male, mean age 25), adjusted for duration and training status: 'gains in muscle size and strength increase as volume increases. However, both best-fit models suggest diminishing returns, with the diminishing returns for strength being considerably more pronounced.' Frequency had effects compatible with negligible for hypertrophy, while 'strength gains increase with increasing frequency, albeit with diminishing returns' (abstract, PMID 41343037). The authors note they are coaches and writers in the fitness industry. 10.1007/s40279-025-02344-w
- Robinson, Z. P., Pelland, J. C., Remmert, J. F., Refalo, M. C., Jukic, I., Steele, J., & Zourdos, M. C. (2024). Exploring the dose-response relationship between estimated resistance training proximity to failure, strength gain, and muscle hypertrophy: a series of meta-regressions. Sports Medicine, 54(9), 2209-2231. Exploratory meta-regressions with repetitions in reserve (RIR) estimated from study descriptions: for strength, the slopes 'contained a null point estimate, indicating a negligible relationship with strength gains', while for hypertrophy 'changes in muscle size increased as sets were terminated closer to failure.' Conclusion: 'Strength gains were similar across a wide range of RIR, while muscle hypertrophy improves as sets are terminated closer to failure'; caution is warranted 'due to its exploratory nature' (abstract, PMID 38970765). 10.1007/s40279-024-02069-2
- Schoenfeld, B. J., Grgic, J., Ogborn, D., & Krieger, J. W. (2017). Strength and hypertrophy adaptations between low- vs. high-load resistance training: A systematic review and meta-analysis. Journal of Strength and Conditioning Research, 31(12), 3508-3523. Despite the id, this is a low- vs high-load meta-analysis, not a training-frequency one (the frequency meta is schoenfeld-2016-frequency-meta): 21 studies comparing low loads (≤ 60% 1RM) with high loads (> 60% 1RM), all sets to momentary failure, at least 6 weeks. Hypertrophy was similar between conditions; 1RM strength gains were greater with heavy loads; isometric strength did not differ (abstract, PMID 28834797). 10.1519/JSC.0000000000002200
- Mattocks, K. T., Buckner, S. L., Jessee, M. B., Dankel, S. J., Mouser, J. G., & Loenneke, J. P. (2017). Practicing the test produces strength equivalent to higher volume training. Medicine & Science in Sports & Exercise, 49(9), 1945-1954. Thirty-eight untrained individuals did knee extension and chest press for 8 weeks, randomized to high-volume training (four sets to failure, about 8-12RM) or to performing only the one-repetition-maximum test (up to five single attempts each visit). Muscle size increased more in the high-volume group at most but not all sites; the change in 1RM strength, and in isometric and isokinetic torque, was not different between groups, although the high-volume group did far more total work. Conclusion: 'neither exercise volume nor the change in muscle size from training contributed to greater strength gains compared with just practicing the test' (abstract, PMID 28463902). 10.1249/MSS.0000000000001300
- Kompf, J., & Arandjelović, O. (2017). The sticking point in the bench press, the squat, and the deadlift: similarities and differences, and their significance for research and practice. Sports Medicine, 47(4), 631-640. Narrative review: 'the sticking point is understood as the position in the range of motion of a lift at which a disproportionately large increase in the difficulty associated with continuing the lift is experienced. Hence the sticking point is inherently the performance bottleneck, and is also associated with an increased chance of exercise form deterioration or breakdown'; understanding its cause should guide training to overcome it (abstract, PMID 27600146). Full text (PMC5357260): in the bench press the sticking point was 'near the beginning of the lift, on average at approximately 30 % of the bar height'; its location varies between lifters, and trained individuals converge on styles that fit their biomechanics. 10.1007/s40279-016-0615-9
- Kassiano, W., Nunes, J. P., Costa, B., Ribeiro, A. S., Schoenfeld, B. J., & Cyrino, E. S. (2022). Does varying resistance exercises promote superior muscle hypertrophy and strength gains? A systematic review. Journal of Strength and Conditioning Research, 36(6), 1753-1762. Eight studies, 241 participants, all young men: 'Some degree of systematic variation seems to enhance regional hypertrophic adaptations and maximize dynamic strength, whereas excessive, random variation may compromise muscular gains.' Conclusion: 'exercise variation should be approached systematically with a focus on applied anatomical and biomechanical constructs; on the contrary, employing different exercises that provide a redundant stimulus, as well as excessive rotation of different exercises (i.e., high frequency of change), may actually hinder muscular adaptations' (abstract, PMID 35438660). 10.1519/JSC.0000000000004258
- Knowles, O. E., Drinkwater, E. J., Urwin, C. S., Lamon, S., & Aisbett, B. (2018). Inadequate sleep and muscle strength: implications for resistance training. Journal of Science and Medicine in Sport, 21(9), 959–968. 10.1016/j.jsams.2018.01.012
- Murphy, C., & Koehler, K. (2022). Energy deficiency impairs resistance training gains in lean mass but not strength: a meta-analysis and meta-regression. Scandinavian Journal of Medicine & Science in Sports, 32(1), 125-137. Randomized controlled trials of resistance training in an energy deficit for at least 3 weeks: 'LM gains were impaired in RT+ED vs RT+CON (effect size (ES) = -0.57, p = 0.02), but strength gains were comparable between conditions (ES = -0.31, p = 0.28)'; the meta-regression 'demonstrated that an energy deficit of ~500 kcal·day-1 prevented gains in LM.' Conclusion: 'Individuals performing RT to build LM should avoid prolonged energy deficiency' (abstract, PMID 34623696). 10.1111/sms.14075
- Morton, R. W., et al. (2018). A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. British Journal of Sports Medicine, 52(6), 376–384. 49 RCTs, 1,863 participants, resistance training of 6 weeks or more. Protein supplementation added 2.49 kg to 1RM and 0.30 kg to fat-free mass; for fat-free mass the effect fell with age and was larger in resistance-trained people, while none of the covariates (age, training status, post-exercise protein dose, baseline protein intake) changed the effect on 1RM strength. Break point for FFM gains at 1.62 g/kg/day (95% CI 1.03-2.20; 42 study arms, 723 participants; the biphasic model was not statistically significant, p = 0.079); given the CI, the authors say ~2.2 g/kg/day may be prudent for those maximising gains; timing, post-exercise dose and source play a minor if any role; they cite per-dose MPS break points of 0.24 (younger) and 0.40 g/kg (older). One author reports grant support from the US National Dairy Council (abstract and full text, PMC5867436). 10.1136/bjsports-2017-097608
- Bäcker, H. C., Richards, J. T., Kienzle, A., Cunningham, J., & Braun, K. F. (2023). Exertional rhabdomyolysis in athletes: systematic review and current perspectives. Clinical Journal of Sport Medicine, 33(2), 187-194. Exertional rhabdomyolysis is a breakdown of skeletal muscle cells after intense exercise in otherwise healthy people, raising creatine kinase or myoglobin, and may result in kidney insufficiency. 25 studies with 772 patients; running (including marathons) accounted for 54.3% of cases and weightlifting for 14.8%. Conclusion: exertional rhabdomyolysis 'seems to be underestimated, and it is essential to screen patients who present with muscle soreness/cramps and/or dark urine after heavy endurance events' (abstract, PMID 36877581). 10.1097/JSM.0000000000001082