A useful prescription includes load, range, lowering resistance, fatigue limits and execution. Specify the pause, touch point, contact rules and stopping point so each set delivers the intended stimulus.
Use heavier loads for 1RM specificity, a repeatable full range for broad strength transfer, and defined partials for segment overload. Choose eccentric loading and velocity-loss limits to match the goal, then keep execution consistent.
The 2026 American College of Sports Medicine position stand synthesized 137 systematic reviews covering more than 30,000 participants. It found that resistance training reliably improves strength, size and performance, while only a limited set of prescription variables consistently changes the magnitude of those adaptations. For strength, heavier loading and complete range were favorable; for hypertrophy, greater weekly volume and eccentric overload were favorable; equipment type and momentary failure did not consistently change outcomes. That overview supports choosing the prescription around the intended training outcome [1].
Define the Repetition Beyond Sets and Reps
- Load sets the force–velocity context. High-load training has the clearest advantage for maximal strength; hypertrophy can occur across a wider load range when effort and volume are sufficient.
- Range sets the task boundary. Full available ROM is the broad-transfer default, while partials should name a segment and purpose.
- Eccentric overload sets a phase-specific dose. Record the lowering resistance separately from the pressing resistance.
- Velocity loss sets the fatigue ceiling. About 25% often favors strength; about 50% permits more volume and can favor size or endurance.
- Execution makes comparisons valid. Grip, touch, pause, contact points and intent must remain stable enough that “rep five” is still the assigned exercise.
Five Details That Define the Repetition
A prescription needs more than sets and reps
Lowering load ↓
Record the resistance during descent, the lowering tempo and the intended endpoint.
Pressing load ↑
Record the resistance during the press and the intended concentric effort.
Five controls define one bench-press task
Load
Range-specific %1RM, absolute load, or target velocity.
Force context
Range
Grip, start, touch/end point, pause and lockout.
Task boundary
Eccentric
Load down/load up, tempo and overloaded repetitions.
Phase dose
Velocity loss
Reference repetition, threshold and absolute floor.
Fatigue ceiling
Execution
Contact points, bar corridor, intent and invalid-rep rule.
Measurement contract
Read the settings together
Each control is interpretable only when the other four are recorded. A change in one control can change the dose delivered by the rest.
Choose these settings around the outcome, athlete, equipment and recovery budget.
The illustrated barbell uses the same load during lowering and pressing. For accentuated eccentric loading, record each phase’s resistance separately.
Article synthesis; see the references below.
These variables interact. Increasing ROM can reduce the load or repetitions an athlete completes. Adding eccentric overload can slow the transition and raise effort. Allowing more velocity loss can shorten ROM or alter bar path unless technique is a coequal stop rule. A good program anticipates how a change in one variable affects the others.
1. Load: specify the strength task
Relative load is the percentage of the athlete’s current capacity under the same technique and range. A paused competition bench, touch-and-go bench and two-inch block press have different 1RMs. A percentage borrowed from another task mislabels intensity before the set begins.
Separate the strength goal from the muscle-size goal
Maximal strength
Moderate and high loads produced greater strength gains than low loads in this analysis.
Hypertrophy
Overall differences between low, moderate and high loads were not statistically significant when training to volitional failure.
In 28 studies involving 747 healthy adults training to volitional failure, hypertrophy was statistically similar across low, moderate and high loads. Moderate and high loads produced greater maximal-strength gains than low loads; the high-versus-moderate difference was not significant.[2] Use a broad load range for muscle-building volume and heavier practice for 1RM strength.
Load does not fully describe effort. A light set stopped after three fast reps is a power exposure; the same load taken near failure is a high-repetition fatigue exposure. A heavy single at RPE 7 and an RPE 10 grinder share a percentage neighborhood but not a recovery cost. Record the planned end condition.
Anchor maximal-strength blocks with technically valid heavy exposure, then use moderate loads to accumulate volume. Use light loads because power, hypertrophy, speed practice or tolerance requires them, not because every percentage produces the same adaptation.
2. Range: broad transfer versus segment specificity
Train a defined range. Test where strength transfers.
Full range
Broadest improvements across all three tested ranges.
Two-thirds range
A shorter, reproducible training segment.
One-third range
A more restricted, reproducible training segment.
The columns depict the prescribed fractions of full bar travel, not the size of the training gains. The trial also included a no-training group.
The best bench-specific longitudinal comparison randomized 50 recreationally to highly trained men to full, two-thirds, one-third or no bench training for 10 weeks. Loads progressed from 60% to 80% of each group’s range-specific 1RM, and individual ranges were reproduced. Full-range training produced the broadest gains across all three test ranges, with standardized within-group effects from 0.52 to 1.96; two-thirds and one-third training produced smaller or less consistent effects [3].
Read the wider evidence alongside the bench trial
Pooled ROM evidence
A 16-study meta-analysis favored full ROM for strength (effect size 0.56, p = .004). The hypertrophy advantage (0.88, p = .027) came primarily from lower-limb data.[4]
Transfer in untrained lifters
Older bench work in 56 untrained men found that full, top-partial and mixed groups all improved full-range 1RM with no between-group difference after 10 weeks, showing that partial overload can transfer under some conditions [5].
The synthesis is straightforward: choose a repeatable full available range when the goal is broad bench strength. Use a fixed partial to overload a segment, a progressive partial to expand range, or a temporary comfortable range when an athlete cannot currently tolerate the default. Name the boundary and test full-range transfer rather than assuming it.
Record vertical bar travel separately from elbow and shoulder motion: grip, arch, touch point and support geometry can change each measure differently.
3. Eccentric overload: higher stimulus, higher implementation burden
Accentuated eccentric loading (AEL) uses a heavier external load during lowering than during the press. Weight releasers commonly apply overload on one selected repetition; computer-controlled and pneumatic systems can vary resistance on every rep. Tempo eccentrics with an unchanged load are not AEL. The phase pair should be written explicitly (100/70, for example), not hidden behind “eccentric bench.”
Write the phase pair into the protocol
Kristiansen et al.
In 10 trained men, Kristiansen and colleagues compared two reps at 110% down/85% up with 85/85. On the second AEL rep, the bar reached the sticking region lower and slower despite higher activation in some pectoralis and deltoid measures.[6]
Taber et al.
Taber and colleagues tested 10 strong men across concentric loads from 30% to 80% with traditional, 100% eccentric and 110% eccentric conditions; response varied with load and athlete, reinforcing the need to record both phases and individual performance [7].
Percentages refer to the study’s traditional 1RM. These are tested protocols, not a universal prescription.
Acute response and long-term adaptation answer different questions
After the eccentric overload is removed
Mean concentric velocity · standardized effect and 95% confidence interval
Negative values favor traditional loading; positive values favor AEL for concentric velocity. Points are estimates; lines are 95% confidence intervals. Pooled bench press and back-squat evidence; overload was applied only to the first lowering phase. Later intervals cross zero. [8]
Yang and colleagues pooled eight acute studies with 106 participants. Mean concentric velocity was lower on the AEL repetition (effect size −0.25, 95% CI −0.33 to −0.16), then statistically similar on repetitions two and three. Evidence certainty declined for the later reps [8].
Chronic strength
SMD 0.12 · p = .41
Muscle cross-sectional area
SMD −0.06 · p = .84
Zhang and colleagues synthesized 49 acute and chronic studies. AEL increased eccentric-phase EMG, immediate metabolic responses and perceived effort, but chronic concentric strength (SMD 0.12, p = .41) and cross-sectional area (−0.06, p = .84) did not significantly differ from constant loading [9].
Use AEL when higher eccentric exposure is the goal and the athlete, staff and equipment can control it. Build in familiarization, safeties, a competent handoff and side spotters.
4. Velocity loss: decide how much fatigue belongs in the set
Within-set velocity loss is the percentage decline from a defined reference repetition, measured with maximal concentric intent. Sánchez-Medina and González-Badillo found it to be a strong indicator of acute neuromuscular fatigue.[10]
In a bench trial of 64 trained men assigned to 0%, 15%, 25% or 50% loss for eight weeks, all groups improved dynamic strength without a significant between-group interaction. The 50% group gained more pectoralis cross-sectional area than 0%, while lower thresholds produced distinct neuromuscular changes with much less work [11]. Different fatigue ceilings can produce different adaptations.
Strength gained and work performed are different outcomes
Strength gained
1RM change · kg · derived from reported means
Post minus pre group means, pooled across intensity bands. The 25% group had the largest descriptive gain; the reported post-hoc difference was versus 0%. No change-score SD is inferred. [12]
Training performed
total repetitions · mean ± SD
Mean total repetitions across the eight-week program, pooled across intensity bands. Work performed and strength gained use different units. [12]
158 trained men · 12 groups · three intensity bands · eight weeks. Bars show group means; the strength changes are calculated from the published pre/post means. Training-volume labels include SD; no error bars are drawn.
The 2026 trial made intensity part of the design. One hundred fifty-eight trained men were randomized across three intensity bands (40–55%, 55–70%, 70–85% 1RM) and four loss thresholds. They trained twice weekly for eight weeks using three sets, four-minute rests, immediate velocity feedback and standardized Smith-machine bench technique. Higher intensity produced the greatest overall strength and cross-sectional-area changes.
Across intensities, raw mean 1RM gains were 5.9, 8.2, 11.2 and 9.2 kg at 0%, 15%, 25% and 50% loss. The 25% threshold produced the largest 1RM gain; 50% produced the largest muscle-size and repetition-endurance changes [12].
The groups completed roughly 48, 220, 336 and 534 repetitions, respectively. Start around 15–25% velocity loss for strength; use lower loss for power or movement skill. Higher loss may suit hypertrophy or muscular endurance when technique and weekly recovery remain acceptable.
5. Rep Quality: Define Consistent Execution
Keep grip, touch point, pause, range and contact points consistent as fatigue builds.[13] Stop or adjust the set when shortened range, lifted hips, spotter assistance or bar-path changes exceed the assigned standard.
Write observable standards:
- Grip index and wrist position.
- Head, shoulders, hips and feet contact rules.
- Start command, touch point and pause duration.
- Range or pin/block height.
- Maximal intended concentric effort.
- Bar-path corridor or clear technical fault list.
- Stop at velocity threshold, absolute velocity floor, pain response or first invalid rep, whichever arrives first.
Heavy effort produces small variations. Rep-quality standards define which variations preserve the assigned task and which change it. Video and a validated velocity device can help assess execution alongside coaching judgment and athlete feedback.
A systematic review found no general advantage to momentary failure for strength or hypertrophy after considering the comparisons and volume.[14] Use failure selectively when the training goal and recovery budget justify it.
A Short-Term Boost Is Different From Training Adaptation
Read the conditioning activity and the later test together
Bench-press throw
A heavy or ballistic conditioning activity can sometimes improve a later explosive press. Krzysztofik and colleagues pooled 11 bench-press-throw studies with 174 trained men and found a small effect (0.33); moderate bench loads, one set and several minutes of rest produced favorable subgroup estimates [15].
Upper-body PAPE
Finlay and colleagues found that bench conditioning at ≥80% 1RM improved a subsequent 30–40% ballistic bench throw after eight to twelve minutes (effect size 0.31, p = .03) [16].
Test PAPE against the athlete’s complete warm-up and retain it when the improvement is repeatable. Select the conditioning load and recovery interval from the athlete’s measured response.
Build a program from outcomes backward
Outcome-backward repetition specifications
Competition 1RM
- Load
- Regular heavy, technically valid exposure plus moderate back-off work
- ROM
- Rule-valid full range
- Eccentric condition
- Mostly constant; AEL only as a planned advanced block
- Velocity loss / end rule
- Low–moderate loss; stop at invalid competition rep
General strength
- Load
- Moderate-to-high load
- ROM
- Full available range, with targeted partial supplement
- Eccentric condition
- Constant by default
- Velocity loss / end rule
- About 15–25% as a starting band
Hypertrophy
- Load
- Broad load range with sufficient effort
- ROM
- Large controllable range
- Eccentric condition
- Either, based on equipment and recovery
- Velocity loss / end rule
- Moderate–high loss when technique and weekly recovery permit
Power
- Load
- Load that preserves intended speed
- ROM
- Task-specific and repeatable
- Eccentric condition
- Constant unless AEL response is directly verified
- Velocity loss / end rule
- Very low loss; stop before speed or coordination degrades
Segment overload
- Load
- Range-specific load, potentially above full-ROM 1RM
- ROM
- Fixed pins/block or progressively expanded range
- Eccentric condition
- Optional and separately specified
- Velocity loss / end rule
- Technique or segment-velocity rule
Change one primary variable at a time when possible. If a new bench surface, expanded range, AEL setting and higher fatigue threshold arrive in the same week, the athlete may improve or regress without revealing why. Preserve a stable comparator, track the target outcome, and use the smallest change that answers the programming question.
A sample strength specification
Load
Four sets at 75% of paused full-ROM 1RM.
Range & setup
Competition grip and touch; full range.
Execution
One-second pause; maximal intended press.
Phase loading
Constant eccentric and concentric load.
End rule
20% mean-velocity loss or first invalid contact-point / bar-path rep.
Rest
Four minutes between sets.
The six details above give another coach enough information to reproduce the session and adjust it from the athlete’s response.
What the Launch Pad Studies Measured
Acute crossover: one session, five repetitions
Kidwell and colleagues tested 10 resistance-trained men in randomized crossover conditions. Each performed five bench reps at 70% 1RM on a standard bench and the Launch Pad. With the Launch Pad, right and left pectoralis surface EMG were higher by approximately 24.4% and 27.1%; mean and peak concentric velocity were higher by 17.5% and 15.8%; and vertical bar displacement was higher by 15.8%. All were statistically significant. Power was 8.8% higher descriptively but did not reach the corrected significance threshold (p = .071) [17].
Six measured outcomes, in their original units
Right pectoralis sEMG
% MVC · mean ± SD
p < .001 · d = .76 [17]
Left pectoralis sEMG
% MVC · mean ± SD
p < .001 · d = .85 [17]
Mean bar velocity
m/s · mean ± SD
p < .001 · d = .74 [17]
Peak bar velocity
m/s · mean ± SD
p < .001 · d = .98 [17]
Vertical bar displacement
cm · mean ± SD
p = .005 · d = 1.02 [17]
Concentric power
W · mean ± SD
p = .071 · d = .23 · Not statistically significant [17]
Bars show reported condition means ± SD on zero-based axes. EMG is surface amplitude normalized to MVC; displacement is vertical bar travel. Percentage differences are calculated from these means.[17]
Four weeks: interface comparison under AEL
Goldman and colleagues randomized 42 intermediate-trained men to Launch Pad or conventional bench training. Both groups trained three times weekly for four weeks, completing five sets to failure on a computer-controlled system with eccentric resistance at 150% of concentric.
1RM gains after four weeks
Same AEL program, different support
42 intermediate-trained men
12 supervised sessions
Eccentric resistance at 150% of concentric in both groups
Bench interface compared within this program.
Four-week 1RM gain
kg gained · mean ± SD
7.3 kg between-group difference · p < .001 · g = 3.85 [18]
Bars encode mean changes; labels show mean ± SD. No error bars are drawn.
Conventional 1RM increased 11.1 ± 2.4 kg; Launch Pad 1RM increased 18.4 ± 4.3 kg. The 7.3 kg between-group difference was significant (p < .001; Hedges g = 3.85) [18].
Both groups used the same AEL program, isolating the support-condition comparison within that protocol.
Eight weeks: collegiate football performance
Blatney and colleagues randomized 30 male collegiate football players to otherwise matched off-season programs for 24 sessions.
Eight-week performance changes
1RM gain
kg gained · mean ± SD
Between-group p < .001 · g = 3.99 [19]
NFL-225 repetitions
reps gained · mean ± SD
Between-group p < .001 [19]
Seated medicine-ball throw
m gained · mean ± SD
Between-group p < .001 [19]
30 male collegiate football players · 24 sessions. Each outcome has its own unit and a zero baseline. Bars encode reported mean changes; labels show SD. The 1RM chart uses the paper’s reported change column. No error bars are drawn.
Conventional bench 1RM rose 9.7 ± 3.4 kg in the control group and 19.4 ± 4.3 kg with the Launch Pad. NFL-225 repetitions improved by 4 ± 3 versus 7 ± 3.8, and seated medicine-ball throw by 2.0 ± 3.0 m versus 2.7 ± 2.5 m; reported group differences were significant [19].
Match the support surface to the training task
Launch Pad findings
The Launch Pad® studies report acute changes in muscle activation, bar velocity and displacement, followed by greater strength gains in the four-week trial and greater strength, endurance and seated-throw gains in the eight-week football trial.
Joint Ops™ development
Joint Ops™ is undergoing prototype evaluation. For persistent pain, instability or postoperative restrictions, obtain individualized guidance from a qualified clinician.
Programming questions
Which variable should I change first?
Choose the variable most directly tied to the outcome and hold the others stable. For a competition-strength problem, that is usually load or task-specific range; for excessive fatigue, it is the end rule.
Is full ROM always mandatory?
No. It is the strongest default for broad transfer, while fixed or progressive partials can address overload and segment goals. The range must be explicit and the target task retested.
Should advanced lifters always use eccentric overload?
Use AEL selectively to increase the lowering-phase dose. Account for equipment, staffing, familiarity and fatigue when deciding whether it belongs in the block.
What velocity-loss threshold should strength work use?
About 15–25% is an evidence-led starting band. The best threshold depends on intensity, volume, athlete, recovery and whether the goal is pure strength, power, hypertrophy or endurance.
References
- Currier BS, D’Souza AC, Fiatarone Singh MA, Lowisz CV, Rawson ES, Schoenfeld BJ, et al. (2026). American College of Sports Medicine position stand: Resistance training prescription for muscle function, hypertrophy, and physical performance in healthy adults—an overview of reviews. Medicine & Science in Sports & Exercise, 58(4), 851–872. doi:10.1249/MSS.0000000000003897. ↩
- Lopez P, Radaelli R, Taaffe DR, Newton RU, Galvão DA, Trajano GS, et al. (2021). Resistance training load effects on muscle hypertrophy and strength gain: Systematic review and network meta-analysis. Medicine & Science in Sports & Exercise, 53(6), 1206–1216. doi:10.1249/MSS.0000000000002585. ↩
- Martínez-Cava A, Hernández-Belmonte A, Courel-Ibáñez J, Morán-Navarro R, González-Badillo JJ, Pallarés JG. (2022). Bench press at full range of motion produces greater neuromuscular adaptations than partial executions after prolonged resistance training. Journal of Strength and Conditioning Research, 36(1), 10–15. doi:10.1519/JSC.0000000000003391. ↩
- Pallarés JG, Hernández-Belmonte A, Martínez-Cava A, Vetrovsky T, Steffl M, Courel-Ibáñez J. (2021). Effects of range of motion on resistance training adaptations: A systematic review and meta-analysis. Scandinavian Journal of Medicine & Science in Sports, 31(10), 1866–1881. doi:10.1111/sms.14006. ↩
- Massey CD, Vincent J, Maneval M, Moore M, Johnson JT. (2004). An analysis of full range of motion vs. partial range of motion training in the development of strength in untrained men. Journal of Strength and Conditioning Research, 18(3), 518–521. doi:10.1519/00124278-200408000-00022. ↩
- Kristiansen EL, Larsen S, van den Tillaar R. (2022). The acute effect of accentuated eccentric overloading upon the kinematics and myoelectric activity in the eccentric and concentric phase of a traditional bench press. Sports, 10(1), 6. doi:10.3390/sports10010006. ↩
- Taber CB, Morris JR, Wagle JP, Merrigan JJ. (2021). Accentuated eccentric loading in the bench press: Considerations for eccentric and concentric loading. Sports, 9(5), 54. doi:10.3390/sports9050054. ↩
- Yang J, Nagatani T, Comfort P, Kendall KL, Haff GG. (2026). Acute effects of accentuated eccentric loading on mean concentric velocity during resistance training: A systematic review and meta-analysis. Sports Medicine - Open, 12, 74. doi:10.1186/s40798-026-01031-y. ↩
- Zhang X, Weakley J, Li H, Marcos-Frutos D, García-Ramos A. (2026). Acute and chronic effects of accentuated eccentric loading versus constant-load resistance training: A systematic review and meta-analysis. Sports Medicine, 56, 1749–1770. doi:10.1007/s40279-026-02422-7. ↩
- Sánchez-Medina L, González-Badillo JJ. (2011). Velocity loss as an indicator of neuromuscular fatigue during resistance training. Medicine & Science in Sports & Exercise, 43(9), 1725–1734. doi:10.1249/MSS.0b013e318213f880. ↩
- Pareja-Blanco F, Alcazar J, Cornejo-Daza PJ, Sánchez-Valdepeñas J, Rodriguez-Lopez C, Hidalgo-de Mora J, et al. (2020). Effects of velocity loss in the bench press exercise on strength gains, neuromuscular adaptations and muscle hypertrophy. Scandinavian Journal of Medicine & Science in Sports, 30, 2154–2166. doi:10.1111/sms.13775. ↩
- Pareja-Blanco F, Sánchez-Valdepeñas J, Cornejo-Daza PJ, Rodiles-Guerrero L. (2026). Optimizing strength and hypertrophy: The combined effect of intensity and velocity loss thresholds in bench press training. Medicine & Science in Sports & Exercise, 58(8), 1773–1781. doi:10.1249/MSS.0000000000003988. ↩
- Duffey MJ, Challis JH. (2007). Fatigue effects on bar kinematics during the bench press. Journal of Strength and Conditioning Research, 21(2), 556–560. doi:10.1519/R-19885.1. ↩
- Grgic J, Schoenfeld BJ, Orazem J, Sabol F. (2022). Effects of resistance training performed to repetition failure or non-failure on muscular strength and hypertrophy: A systematic review and meta-analysis. Journal of Sport and Health Science, 11(2), 202–211. doi:10.1016/j.jshs.2021.01.007. ↩
- Krzysztofik M, Wilk M, Stastny P, Golas A. (2021). Post-activation performance enhancement in the bench press throw: A systematic review and meta-analysis. Frontiers in Physiology, 11, 598628. doi:10.3389/fphys.2020.598628. ↩
- Finlay MJ, Bridge CA, Greig M, Page RM. (2022). Upper-body post-activation performance enhancement for athletic performance: A systematic review with meta-analysis and recommendations for future research. Sports Medicine, 52, 847–871. doi:10.1007/s40279-021-01598-4. ↩
- Kidwell JA, Yamamoto T, Hetherton KJ, Truneh N, Bright JJ, Blatney AE, et al. (2026). Acute effects of thoracic-spinal elevation via a novel bench press pad on sEMG and barbell kinetics in resistance-trained males. International Journal of Exercise Science, 19(1), 1003. doi:10.70252/IJES2026103. ↩
- Goldman P, Taylor J, Yamamoto T, Blatney AE, Sahni TK, Lechner RJ, et al. (2025). Eccentrically overloaded bench press training: Augmenting strength gains via a novel bench press pad. Scientific Journal of Sport and Performance, 4(4), 480–490. doi:10.55860/JCDL3612. ↩
- Blatney AE, Kidwell JA, Yamamoto T, Goldman P, Hetherton KJ, Dolezal BA. (2026). Effects of an eight week training regimen with a novel bench press pad compared to a traditional bench on upper body strength and performance in collegiate American football players. Scientific Journal of Sport and Performance, 5(1), 10–21. doi:10.55860/RNUB8627. ↩