Volleyball strength & conditioning

An evidence-based guide to training the body volleyball demands. Volleyball is, at its core, a jump-and-land sport played with a heavy overhead load — hundreds of take-offs and landings a match, thousands of spiking and serving swings a season. This covers the strength and plyometric work that builds the jump, the landing mechanics and tendon loading that protect the knee, the shoulder prehab that keeps you spiking, ankle-sprain prevention, the sport's energy systems, and how to fit it all around practice and matches. Practical, honest, and grounded in published sport-science.

Here it is in one sentence: volleyball rewards three physical qualities above all — explosive, repeatable jumping power; the control to land and decelerate (often on one leg) without wrecking your knees; and durable overhead-shoulder strength for spiking and serving. Everything below is how to build those three, where the numbers come from, and how to make them work around a real season.

A framing note before the detail. Strength and conditioning is well studied, but people differ enormously — age, training history, playing position, sex, sleep and injury history all shift what's right for any individual. So this is written as can, tends to and is associated with, never as a guarantee, and every specific figure is a population-level guide drawn from published research, not a personal prescription. It is general education, not medical or individual coaching advice, and it is not a substitute for a qualified S&C coach or clinician.

The demands of volleyball

Watch a rally and the physical brief writes itself. Players explode off the floor to spike, block and jump-serve, then absorb the landing and reset — over and over. A single player can perform in excess of 250 jumps across a five-set match, most of them maximal or near-maximal, which is why jumping ability is repeatedly identified as a decisive performance quality in the volleyball literature (Silva et al., 2019). It isn't one big jump that matters, but the ability to produce a high jump repeatedly, late into a match, and to land safely each time.

The engine underneath is short and sharp. Rallies are brief — commonly around 5–9 seconds of play — separated by longer rest periods, giving work-to-rest ratios that studies put somewhere in the region of 1:2 to 1:5 depending on level and format. Energy for those explosive bursts comes mainly from the phosphagen (ATP–PCr) system, with aerobic metabolism doing the quiet job of restocking that system between rallies and across sets. Tellingly, blood-lactate levels measured during matches tend to stay low — on the order of 2–3 mmol/L on average — consistent with a sport powered by short bursts and aerobic recovery rather than sustained, glycolytic effort (Akarçeşme et al., 2022). In plain terms: volleyball is repeated short, powerful efforts on a bed of aerobic recovery — not a continuous endurance grind.

That movement profile also predicts where players get hurt. Across the epidemiology, the ankle is the single most-injured site — roughly a third of injuries in young players — followed by the fingers and hand and the knee, with the shoulder a leading source of gradual, overuse trouble (Silva et al., 2023; Young et al., 2023). Acute injuries are dominated by ankle sprains (often at the net, landing on an opponent's or team-mate's foot) and jammed fingers in blocking; the overuse column is led by patellar tendinopathy (jumper's knee) from all that jumping and landing, and shoulder complaints from spiking and serving. Good S&C targets both lists at once.

Key strength work — and why it matters

A jump is force applied fast. So the strength programme has two jobs: raise the force your legs can produce, and train you to express that force quickly. Do only the first and you get strong but slow; do only the second on weak legs and you have little force to accelerate. The qualities that transfer to volleyball, and the movements that build them:

• Heavy lower-body strength — squats and hinges. Back and front squats, and hip hinges such as the trap-bar deadlift or Romanian deadlift, build the raw force underpinning every jump. Maximal-strength work uses heavy loads for low repetitions; strength is the foundation that later power work is expressed through, which is why stronger athletes generally have a higher ceiling for jump and sprint gains.
• Plyometrics — the reactive layer. Box jumps, approach jumps, depth jumps and repeated pogo hops train the stretch-shortening cycle: the rapid stretch-then-shorten of muscle and tendon that lets you rebound off the floor. A systematic review of plyometric training in volleyball found that programmes of roughly 6–16 weeks, done 2–3 times a week, tend to improve countermovement-jump height, with blocks longer than about ten weeks more effective (Silva et al., 2019). Plyometrics also rehearse landing, which ties straight into the injury section.
• Single-leg and unilateral work. Split squats, step-ups, single-leg Romanian deadlifts and lateral lunges. Volleyplayers often take off and — crucially — land on one leg, and move laterally to defend. Unilateral work builds the strength and balance to do that under control, and evens out left–right differences that a barbell can hide.
• Posterior chain and landing strength. Hamstrings, glutes and the eccentric strength to decelerate. Controlling the landing — bending at the hip and knee to soak up force rather than landing stiff — protects the knee and lets you spring into the next action. This is where controlled, heavy, slow squat and hinge work overlaps with tendon health (below).
• Overhead and shoulder strength. Presses plus dedicated rotator-cuff and scapular work (external rotations, prone Y/T/W raises, serratus punches). The spiking arm needs both the strength to swing hard and the control to decelerate the arm afterwards — the cuff's real job.
• Trunk and anti-rotation. The spike transfers force from the floor, through the hips and trunk, to the hitting hand. Anti-rotation and anti-extension core work (Pallof presses, carries, rollouts) makes that transfer efficient and protects the low back.
• References

Notice how few of these are exotic. The base of a volleyball plan is ordinary, heavy, well-executed strength training — squat, hinge, press, pull, carry — with the sport-specific flavour coming from the plyometric, single-leg and shoulder work layered on top. That combination is deliberate: the base builds the force, and the sport-specific layer teaches you to use it the way volleyball asks.

That pairing is worth dwelling on, because it captures the whole philosophy of training for a sport. The base lifts — heavy squats and hinges for low reps — are what actually build the force behind a jump; they are not general filler to be skipped in favour of more jumping. On top of that base sit the sport-specific pieces: an accessory block of single-leg and posterior-chain work, and landing strength for the half of every jump nobody trains, finished with plyometrics that turn that force into height. Neither half works alone. Plyometrics on a weak base add little and cost a lot of knee; a strong squat that has never been trained reactively does not show up at the net.

Conditioning for volleyball

Because volleyball is repeated short, powerful efforts with real rest between them, its conditioning should look like the sport — not like a long, steady run. The priority is repeat-jump and repeat-sprint quality: the ability to jump nearly as high in the fifth set as the first, and to recover between rallies. That's trained with short, sharp intervals — brief maximal efforts (jumps, short shuttles, agility patterns) with enough rest to keep each one crisp — which mirrors the phosphagen-dominant demand described above.

Underneath the sharpness, a reasonable aerobic base still earns its place, because aerobic metabolism is what restocks the phosphagen system between rallies and clears fatigue across a long match or tournament day. That doesn't mean long slow distance dominates a volleyballer's week; it means enough general conditioning to recover well, delivered in a way that doesn't leave the legs too tired to jump. For most players, a modest amount of aerobic work plus the sport's own on-court volume is plenty.

The trickier question is how conditioning and strength coexist without the interference effect — the tendency for a lot of concurrent endurance work to blunt strength and power gains. The practical answers are well established: keep the hardest endurance and the hardest strength sessions apart (different days, or several hours apart), prioritise the quality you care most about first in a session when they must share one, and keep steady-state volume moderate so it supports recovery rather than competing with power. For a jump sport, power wins the tie-breaks — so the schedule protects the legs' explosiveness first and slots conditioning around it.

Staying injury-resilient

The best injury-prevention programme is usually the training you were going to do anyway, done well and dosed sensibly — plus a little targeted prehab for volleyball's known trouble spots. Taking the big four in turn:

• Patellar tendon (jumper's knee). The tendon dislikes sudden spikes in jumping volume far more than it dislikes hard training. Two levers matter: manage load (build jump volume gradually; avoid big week-to-week jumps), and load the tendon deliberately. In a randomised trial in patellar tendinopathy, both heavy slow resistance training and eccentric decline-squat training improved pain and function over 12 weeks — and the heavy-slow-resistance group reported the greatest satisfaction at six months, around 70% versus about 22% for eccentric work (Kongsgaard et al., 2009). Heavy slow resistance typically means heavy squat-pattern loading with a deliberately slow tempo (in the order of three seconds up, three seconds down), done a few times a week. Strong, well-loaded tendons tolerate jumping better; that's prevention as much as treatment.
• Ankle. Ankle sprains are the most common acute injury, and a previous sprain is consistently the strongest predictor of the next. Balance and proprioceptive training (wobble board, single-leg work, landing drills) reduces sprains: a large controlled trial in volleyball found a balance-board programme cut ankle sprains, with the benefit concentrated in players who had sprained before (Verhagen et al., 2004). Both neuromuscular training and ankle braces reduce recurrence in the research, and many players combine them around a return to play.
• Shoulder. The spiking shoulder is a classic overuse site. A science-based prevention framework for overhead athletes points at three modifiable risk factors — weak external rotators, weak scapular stabilisers, and lost internal-rotation range (GIRD) — and recommends strengthening the rotator cuff (especially the external rotators, including eccentric work), training the scapular stabilisers such as the lower trapezius and serratus anterior, and restoring posterior-shoulder mobility with stretches like the sleeper and cross-body stretch (Cools et al., 2015). A few minutes of banded cuff and scapular work, most days, is the cheapest insurance in the sport.
• Fingers. Jammed and sprained fingers, mostly from blocking, are among the most common volleyball injuries but rarely gym-preventable. Sensible blocking technique, and taping vulnerable or previously injured fingers, are the usual pragmatic defences; assess anything that stays swollen, crooked or won't bend.

A last honest word on landing. Much of both knee and ankle risk comes down to how you land — absorbing force through a bent hip and knee, landing softly, and controlling one-legged landings near the net. Plyometric and single-leg strength work isn't only for jumping higher; done with attention to the landing, it rehearses exactly the deceleration control that keeps the knee and ankle safe.

Programming it around your season

The same ingredients get re-weighted through the year. The organising idea is simple: build in the off-season, maintain in-season.

• Off-season / pre-season — build. This is when the heavy lifting happens, literally. Two to three strength sessions a week, progressing load over blocks, plus a dedicated plyometric build (recall the 6–16-week, 2–3×/week window that improves jump; Silva et al., 2019). Address left–right and shoulder weaknesses now, while there's room to be sore. Conditioning rebuilds the aerobic base and, later, the repeat-sprint sharpness.
• In-season — maintain. The reassuring evidence is that holding on to strength needs far less work than building it. Professional soccer players who trained strength twice a week in pre-season kept their strength, sprint and jump gains through the first 12 weeks of the season on just one session a week, while those lifting only every second week lost them (Rønnestad et al., 2011). For volleyball, that translates to one to two short, quality sessions a week, kept heavy-ish but low-volume, and scheduled away from key matches so you show up fresh.
• Fitting it around practice and fatigue. Court time already loads the legs and shoulder. Put your hardest lower-body and jump work on lighter court days or after them (not the day before a big match), keep in-season lifting brief and crisp rather than exhausting, and treat a heavy match block like extra training load — sometimes the smart move is to trim gym volume, not add it.

Two under-rated details make the difference. First, don't let jump volume spike — the combined jumping of extra practices, matches and gym plyometrics is what tends to flare the patellar tendon. Second, keep the shoulder prehab going year-round; it's the item most likely to be dropped in-season and the one whose absence quietly shows up as an overuse shoulder by mid-season.

Common questions

What strength work raises a volleyball player's vertical jump the most?

No single exercise owns the jump — it is built from two complementary qualities. Heavy lower-body strength work (squats, hinges and single-leg variations) raises the force your legs can produce, and plyometric jump training teaches you to express that force fast through the stretch-shortening cycle. A systematic review of plyometric training in volleyball found that programmes of roughly 6–16 weeks, done 2–3 times a week, tend to improve countermovement-jump height, with blocks longer than about ten weeks more effective (Silva et al., 2019). In practice, combining heavy strength and plyometrics beats either alone. These are population averages, not promises — individual response varies.

How do I manage or reduce jumper's knee (patellar tendinopathy)?

Jumper's knee is one of volleyball's most common overuse complaints, driven by repeated high loading of the patellar tendon on take-off and landing. The best-supported approach is progressive, heavy, slow tendon loading rather than rest. In a randomised trial in patellar tendinopathy, both heavy slow resistance training and eccentric decline-squat training improved pain and function over 12 weeks, and the heavy-slow-resistance group reported the greatest satisfaction at six months — around 70% versus about 22% for eccentric training (Kongsgaard et al., 2009). Managing training load — how many jumps you do each week — matters as much as adding exercises. Persistent tendon pain warrants a physiotherapist; this is education, not a treatment plan.

How do I protect my spiking shoulder?

The spiking shoulder takes thousands of overhead swings, and the classic risk factors are weak external rotators, weak scapular stabilisers and lost internal-rotation range (GIRD). A science-based prevention framework for overhead athletes recommends strengthening the rotator cuff — especially the external rotators, including eccentric work — training the scapular stabilisers such as the lower trapezius and serratus anterior, and restoring posterior-shoulder mobility with stretches like the sleeper and cross-body stretch (Cools et al., 2015). Build these in year-round as prehab, not only once the shoulder already hurts.

Can I keep lifting in-season without wearing myself out?

Yes — and you should, because strength you do not maintain tends to fade. The reassuring evidence is that maintenance needs far less work than building. Professional soccer players who trained strength twice a week in pre-season kept their strength, sprint and jump gains through the first 12 weeks of the season on just one session a week, while those lifting only every second week lost them (Rønnestad et al., 2011). For most volleyball players, one to two short, quality strength sessions a week — kept away from key matches — is enough to hold on to power in-season.

Won't lifting heavy make me slower or more bulky?

This is the most common myth, and it is backwards for jump sports. Heavy strength training and plyometrics both tend to improve — not blunt — vertical jump, sprint and change-of-direction speed in team-sport athletes, because applying more force quickly is exactly what a jump is (Silva et al., 2019, and wider strength-and-power research). Building noticeable muscle bulk is slow and deliberate; it will not happen by accident from a couple of sessions a week. Trained sensibly, the barbell makes you more explosive, not heavier-legged.

How can I cut my ankle-sprain risk?

Ankle sprains are the single most common acute volleyball injury, and a previous sprain is the biggest risk factor for the next one. Balance and proprioceptive training helps: a large controlled trial in volleyball found a balance-board programme reduced ankle sprains, with the benefit concentrated in players who had sprained before (Verhagen et al., 2004). Both ankle braces and neuromuscular (balance) training reduce recurrence in the research, and many players use both around a return to play. Add landing and single-leg control work, and see a clinician after any significant sprain.

Takeaways

• Volleyball is a jump-and-land sport with an overhead load. It rewards explosive, repeatable jumping power, safe landing and deceleration, and durable shoulder strength.
• Build the jump with strength and plyometrics. Heavy squats and hinges build force; plyometric jump training (roughly 6–16 weeks, 2–3×/week) teaches you to use it fast (Silva et al., 2019).
• Train single-leg and land on purpose. Volleyball takes off and lands on one leg — unilateral strength and controlled landings build both jump and joint safety.
• Protect the patellar tendon. Manage jump volume and load the tendon deliberately; heavy slow resistance and eccentric work both help jumper's knee (Kongsgaard et al., 2009).
• Prehab the shoulder year-round. External-rotator and scapular strength plus posterior-shoulder mobility target the spike's known risk factors (Cools et al., 2015).
• Cut ankle-sprain risk with balance work. Proprioceptive/balance training reduces sprains, most of all after a previous one (Verhagen et al., 2004); braces and neuromuscular work both help recurrence.
• Condition like the sport. Short, sharp intervals for repeat-jump quality on a moderate aerobic base; keep hard strength and hard conditioning apart to limit interference.
• Build off-season, maintain in-season. One to two short quality sessions a week can maintain strength and power through the season (Rønnestad et al., 2011).
• Lifting won't make a jumper slow or bulky. Done right, it makes you more explosive and more durable.

If you remember one thing, make it the shape of the plan: an ordinary base of heavy strength, with a volleyball-specific layer of jumps, single-leg work and shoulder prehab on top, dosed so jump volume never spikes. That's what builds a higher, more repeatable jump and keeps the knees, ankles and shoulder in the game. Strathlon's job is to give you that sport-aware starting point and keep your lifts trending in the right direction — the specialist detail of a serious competitive block is still a conversation for a coach.

Pair this with the volleyball fuelling guide — training builds the engine; fuelling keeps it running through long matches and tournament days.

References

Numbered sources for the specific figures, effect sizes and named studies above. Where a claim reflects agreed guidance rather than a single trial, the citation is to the position stand or consensus statement of the body concerned, with the country or international remit named. Volleyball's jump-load and patellar-tendon literature is strong and specific, and the figures below are cited to it.

1. Rebelo A, Stojanović E, Martinho DV, Pérez-López A, López-Samanes Á, Scanlan AT. What are the demands of volleyball match-play? A systematic review of the external and internal loads encountered according to playing position, number of sets, and player sex. Journal of Sports Sciences. 2026;44(6):769–796. Systematic review of the external and internal loads of volleyball match play — the source for the jump-count and demand description. PubMed 41460726
2. Rebelo A, Pereira JR, Nakamura FY, Valente-Dos-Santos J. Beyond the Jump: A Scoping Review of External Training Load Metrics in Volleyball. Sports Health. 2025;17(1):111–125. Scoping review of external training-load metrics in volleyball, the basis for the load-management advice. PubMed 38556860 · PMC11569689 full text
3. Chandran A, Morris SN, Lempke LB, Boltz AJ, Robison HJ, Collins CL. Epidemiology of Injuries in National Collegiate Athletic Association Women's Volleyball: 2014-2015 Through 2018-2019. Journal of Athletic Training. 2021;56(7):666–673. Study of injury epidemiology in NCAA women's volleyball across five seasons — the source for the sport's injury distribution. PubMed 34280268 · PMC8293869 full text
4. de Vries AJ, van der Worp H, Diercks RL, van den Akker-Scheek I, Zwerver J. Risk factors for patellar tendinopathy in volleyball and basketball players: A survey-based prospective cohort study. Scandinavian Journal of Medicine & Science in Sports. 2015;25(5):678–84. Prospective survey-based study of risk factors for patellar tendinopathy in volleyball and basketball players, the specific knee evidence. PubMed 25091500
5. van der Worp H, Zwerver J, Kuijer PP, Frings-Dresen MH, van den Akker-Scheek I. The impact of physically demanding work of basketball and volleyball players on the risk for patellar tendinopathy and on work limitations. Journal of Back and Musculoskeletal Rehabilitation. 2011;24(1):49–55. Study of the impact of the physically demanding work of volleyball and basketball on patellar tendon risk, the second source for the same. PubMed 21248400
6. Kongsgaard M, Kovanen V, Aagaard P, Doessing S, Hansen P, Laursen AH, et al. Corticosteroid injections, eccentric decline squat training and heavy slow resistance training in patellar tendinopathy. Scandinavian Journal of Medicine & Science in Sports. 2009;19(6):790–802. Kongsgaard and colleagues' heavy slow resistance trial in patellar tendinopathy — the direct source for the tendon-loading prescription. PubMed 19793213
7. Verhagen E, van der Beek A, Twisk J, Bouter L, Bahr R, van Mechelen W. The effect of a proprioceptive balance board training program for the prevention of ankle sprains: a prospective controlled trial. The American Journal of Sports Medicine. 2004;32(6):1385–93. Verhagen and colleagues' proprioceptive balance-board trial for preventing ankle sprains in volleyball, the sport-specific ankle-prevention evidence. PubMed 15310562
8. Schiftan GS, Ross LA, Hahne AJ. The effectiveness of proprioceptive training in preventing ankle sprains in sporting populations: a systematic review and meta-analysis. Journal of Science and Medicine in Sport. 2015;18(3):238–44. Schiftan and colleagues' meta-analysis of proprioceptive training and ankle sprains, the pooled version of the same result. PubMed 24831756
9. Keoliya AA, Ramteke SU, Boob MA, Somaiya KJ. Enhancing Volleyball Athlete Performance: A Comprehensive Review of Training Interventions and Their Impact on Agility, Explosive Power, and Strength. Cureus. 2024;16(1):e53273. Review of training interventions and their impact on volleyball athlete performance, cited in the programming section. PubMed 38435930 · PMC10905049 full text
10. Wasser JG, Tripp B, Bruner ML, Bailey DR, Leitz RS, Zaremski JL, et al. Volleyball-related injuries in adolescent female players: an initial report. The Physician and Sportsmedicine. 2021;49(3):323–330. Study of volleyball-related injuries in adolescent female players, included so the injury picture covers the youth game. PubMed 32942946
11. Suchomel TJ, Nimphius S, Stone MH. The Importance of Muscular Strength in Athletic Performance. Sports Medicine. 2016;46(10):1419–49. Suchomel and colleagues on the importance of muscular strength in athletic performance — the source for greater maximal strength being associated with faster sprinting, jumping and change of direction, and with lower injury risk. PubMed 26838985
12. Seitz LB, Reyes A, Tran TT, Saez de Villarreal E, Haff GG. Increases in lower-body strength transfer positively to sprint performance: a systematic review with meta-analysis. Sports Medicine. 2014;44(12):1693–702. Seitz and colleagues' systematic review with meta-analysis showing increases in lower-body strength transfer positively to sprint performance, the evidence behind the 'strength is the base' argument. PubMed 25059334
13. Lauersen JB, Andersen TE, Andersen LB. Strength training as superior, dose-dependent and safe prevention of acute and overuse sports injuries: a systematic review, qualitative analysis and meta-analysis. British Journal of Sports Medicine. 2018;52(24):1557–1563. Lauersen and colleagues' meta-analysis finding strength training a superior, dose-dependent and safe prevention of acute and overuse sports injuries — the direct source for treating strength work as prehab. PubMed 30131332
14. Lauersen JB, Bertelsen DM, Andersen LB. The effectiveness of exercise interventions to prevent sports injuries: a systematic review and meta-analysis of randomised controlled trials. British Journal of Sports Medicine. 2014;48(11):871–7. Lauersen and colleagues' earlier meta-analysis of exercise interventions to prevent sports injuries, the broader evidence base the prevention advice sits on. PubMed 24100287
15. . American College of Sports Medicine position stand. Progression models in resistance training for healthy adults. Medicine and Science in Sports and Exercise. 2009;41(3):687–708. American College of Sports Medicine (ACSM, United States) position stand on progression models in resistance training — the source for the heavy-load and explosive-load percentage ranges quoted. PubMed 19204579
16. Cuthbert M, Haff GG, Arent SM, Ripley N, McMahon JJ, Evans M, et al. Effects of Variations in Resistance Training Frequency on Strength Development in Well-Trained Populations and Implications for In-Season Athlete Training: A Systematic Review and Meta-analysis. Sports Medicine. 2021;51(9):1967–1982. Cuthbert and colleagues' systematic review of resistance-training frequency in well-trained populations, the source for the sessions-per-week guidance. PubMed 33886099 · PMC8363540 full text
17. Spiering BA, Mujika I, Sharp MA, Foulis SA. Maintaining Physical Performance: The Minimal Dose of Exercise Needed to Preserve Endurance and Strength Over Time. Journal of Strength and Conditioning Research. 2021;35(5):1449–1458. Spiering and colleagues on the minimal dose of exercise needed to preserve endurance and strength — the source for maintaining in-season on as little as one to two sessions a week. PubMed 33629972
18. Rønnestad BR, Nymark BS, Raastad T. Effects of in-season strength maintenance training frequency in professional soccer players. Journal of Strength and Conditioning Research. 2011;25(10):2653–60. Ronnestad and colleagues' trial of in-season strength maintenance frequency in professional footballers, the specific in-season maintenance result quoted. PubMed 21873897
19. Nuzzo JL, Pinto MD, Kirk BJC, Nosaka K. Resistance Exercise Minimal Dose Strategies for Increasing Muscle Strength in the General Population: an Overview. Sports Medicine. 2024;54(5):1139–1162. Nuzzo and colleagues on minimal-dose resistance exercise strategies for increasing strength, supporting the claim that a small, well-chosen dose does most of the work. PubMed 38509414 · PMC11127831 full text
20. Wilson JM, Marin PJ, Rhea MR, Wilson SM, Loenneke JP, Anderson JC. Concurrent training: a meta-analysis examining interference of aerobic and resistance exercises. Journal of Strength and Conditioning Research. 2012;26(8):2293–307. Wilson and colleagues' meta-analysis of concurrent training and the interference effect — the source for separating heavy lifting from hard conditioning. PubMed 22002517
21. Schumann M, Feuerbacher JF, Sünkeler M, Freitag N, Rønnestad BR, Doma K, et al. Compatibility of Concurrent Aerobic and Strength Training for Skeletal Muscle Size and Function: An Updated Systematic Review and Meta-Analysis. Sports Medicine. 2022;52(3):601–612. An updated systematic review of the compatibility of concurrent aerobic and strength training, the more recent evidence that interference is smaller than once believed. PubMed 34757594 · PMC8891239 full text
22. Ramirez-Campillo R, Sortwell A, Moran J, Afonso J, Clemente FM, Lloyd RS, et al. Plyometric-Jump Training Effects on Physical Fitness and Sport-Specific Performance According to Maturity: A Systematic Review with Meta-analysis. Sports Medicine - Open. 2023;9(1):23. Ramirez-Campillo and colleagues on plyometric-jump training effects on physical fitness and sport-specific performance, the source for the plyometric guidance. PubMed 37036542 · PMC10086091 full text
23. Impellizzeri FM, Woodcock S, Coutts AJ, Fanchini M, McCall A, Vigotsky AD. What Role Do Chronic Workloads Play in the Acute to Chronic Workload Ratio? Time to Dismiss ACWR and Its Underlying Theory. Sports Medicine. 2021;51(3):581–592. Impellizzeri and colleagues on the pitfalls of the acute:chronic workload ratio — cited because it is the reason this guide talks about ramping load gradually rather than quoting a workload number. PubMed 33332011
24. Baz-Valle E, Balsalobre-Fernández C, Alix-Fages C, Santos-Concejero J. A Systematic Review of The Effects of Different Resistance Training Volumes on Muscle Hypertrophy. Journal of Human Kinetics. 2022;81:199–210. Systematic review of resistance-training volume and hypertrophy, the general dose-response evidence behind the set and session recommendations. PubMed 35291645 · PMC8884877 full text

This is general educational information, not medical, physiotherapy or individual coaching advice. The sport-science figures here are drawn from published research and are framed as population-level guides — individual needs vary widely with age, training history, position, sex and injury history, and are best personalised with a qualified strength-and-conditioning coach or clinician. Anyone with pain, a current or recurrent injury, a health condition, or who is pregnant or postpartum, should consult a qualified professional before starting or changing a training programme. See our Terms for more.

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