Study 03 · Scientific Journal of Sport and Performance · Vol. 5 No. 1 (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

August E. Blatney; Joshua A. Kidwell; Trent Yamamoto; Phillip Goldman; Kyle J. Hetherton; Brett A. Dolezal
DOI: 10.55860/RNUB8627

Study at a glance

What Was Tested—and What Was Held Constant.

Sample30 healthy male collegiate football players, ages 18–25; 15 per group
DesignEight-week, single-blind randomized controlled parallel trial with concealed allocation
Exposure24 supervised 45–60 minute sessions, three per week; all 30 completed every session
Primary outcomesFree-weight flat-bench 1-RM, NFL-225 reps to fatigue, and seated medicine-ball throw distance

Randomize

An independent investigator assigned participants 1:1 using an online random-number program. Allocation was concealed in consecutively numbered envelopes.

Embed the Block

Both groups entered the same broader eight-week off-season strength-and-conditioning program and were instructed to avoid additional resistance or high-intensity anaerobic training.

Periodize the Pressing

The bench-specific work used flat barbell bench press, incline barbell bench press, and flat dumbbell flys across two four-week blocks, progressing from 50% to 90% 1-RM.

Test Three Outcomes

Participants repeated the free-weight 1-RM, 225-lb reps-to-fatigue test, and 4.5 kg seated medicine-ball throw after 24 sessions.

The programmed difference: The two groups completed the same periodized bench-training structure inside the same off-season program. The athlete-to-bench surface was the experimental condition that differed. Unlike Study 02, this trial did not use the CARE eccentric-overload machine.
Reported findings

Raw Numbers First. Interpretation Second.

Both groups improved in all three outcomes. The central finding is that the Launch Pad group demonstrated larger average gains under the matched eight-week program.

1-RM bench-press gain2.00× the average gain
Flat
+21.4 lb
Launch Pad
+42.8 lb
NFL-225 repetition gain75% greater average gain
Flat
+4 reps
Launch Pad
+7 reps
Medicine-ball throw gain35% greater average gain
Flat
+6.6 ft
Launch Pad
+8.9 ft
Eight-week performance results reported by Blatney et al.
Outcome Flat Bench Baseline → Week 8 Flat Bench Change Launch Pad Baseline → Week 8 Launch Pad Change p-value Hedges’ g
1-RM bench press 98.1 ± 4.5 → 107.2 ± 6.7 kg +9.7 ± 3.4 kg
+21.4 lb
97.4 ± 5.8 → 116.8 ± 5.7 kg +19.4 ± 4.3 kg
+42.8 lb
< .001 3.99
NFL-225 test 14 ± 4.2 → 18 ± 5.0 reps +4 ± 3.0 reps 14 ± 3.8 → 21 ± 4.4 reps +7 ± 3.8 reps < .001 3.67
Seated medicine-ball throw 3.5 ± 4.2 → 5.5 ± 4.1 m +2.0 ± 3.0 m
≈ +6.6 ft
3.4 ± 3.1 → 6.1 ± 4.2 m +2.7 ± 2.5 m
≈ +8.9 ft
< .001 4.10

Values are group means ± standard deviation as reported in the published paper. No significant baseline differences were observed between groups. Between-group tests used Welch’s t-tests or Wilcoxon rank-sum tests as appropriate, with a Holm–Bonferroni correction. Ratios and percentages compare the reported mean changes—not individual responses. On smaller screens, swipe horizontally to view every table column.

Plain-language translation

What This Means for the Athlete.

The important result is not one isolated test. The difference appeared across three ways of assessing upper-body performance.

The simple read

The Launch Pad group improved more in all three tested outcomes.

After eight weeks, the Launch Pad group added about 42.8 lb to its average bench-press 1-RM versus 21.4 lb in the Standard Flat Bench group.

It also added 7 repetitions to the NFL-225 test versus 4 and approximately 8.9 ft to the seated medicine-ball throw versus 6.6 ft.

What “transfer” means here

The result extended beyond the exact 1-RM test—but not all the way to game performance.

The training difference appeared in maximal strength, repeated 225-lb pressing, and seated throw distance. That is broader than one bench-press outcome.

The study did not directly measure blocking, tackling, playing time, injury risk, or any other on-field result.

2.00×Average 1-RM gain

+42.8 lb with The Launch Pad versus +21.4 lb on the Standard Flat Bench.

+75%Greater NFL-225 gain

+7 average repetitions versus +4.

+35%Greater throw-distance gain

Approximately +8.9 ft versus +6.6 ft.

p < .001All three comparisons

Each between-group outcome met the study’s statistical-significance criterion after correction.

One-sentence takeaway Across 24 supervised sessions, the Launch Pad group improved more than the Standard Flat Bench group in maximal bench strength, 225-lb repetition performance, and seated medicine-ball throw distance.
How to read the statistics

What p < .001, Hedges’ g = 3.67–4.10, and the Gain Ratios Actually Add.

The raw changes show what happened. The p-values address statistical evidence under the analysis. Hedges’ g describes standardized group separation. The 2.00×, 1.75×, and 1.35× figures are ratios of average gains—not effect sizes.

p-value · evidence signal

How compatible were the results with no between-group difference?

All three between-group change comparisons were reported at p < .001 after the study’s multiple-comparison procedure. That is strong statistical evidence against a no-difference explanation under the analysis.

It does not mean there is a 99.9% probability that every athlete will improve more.

Hedges’ g · standardized magnitude

How large was the group separation relative to variability?

The paper reported Hedges’ g values of 3.99, 3.67, and 4.10. Hedges’ g is a standardized mean-difference measure with a correction intended to reduce small-sample bias.

These values do not mean 3.99×, 3.67×, or 4.10× better.

Gain ratios · practical comparison

How did the average improvements compare?

The Launch Pad group’s mean gain was 2.00× the flat-bench gain for 1-RM, 1.75× for NFL-225 repetitions, and 1.35× for throw distance.

Those ratios summarize group averages from this program. They are not guaranteed individual multipliers.

1-RM bench press3.99Hedges’ g
NFL-225 repetitions3.67Hedges’ g
Medicine-ball throw4.10Hedges’ g
Conventional orientation0.80Common rough reference for a large standardized effect
Swinton et al. · resistance training0.55Pooled intervention-only SMD; retained effects ranged −0.83 to 4.7
Makaruk et al. · elite sport performance1.16Pooled SMD across 23 studies and 460 elite athletes in the primary analysis
This eight-week trial3.67–4.10Between-group Hedges’ g range across three outcomes
How unusual are values near 4.0?

They are exceptionally large relative to conventional reference points and selected pooled effects in resistance-training and elite sport-performance literature. They also sit toward the upper extreme of the broad retained range reported by Swinton et al. The comparison literature uses different populations, outcomes, designs, and effect-size calculations, so it provides scale—not a universal percentile or head-to-head ranking.

Need the deeper explanation? The Research Literacy Guide explains p-values, Hedges’ g, gain ratios, uncertainty, and the exercise-science comparison literature in full.
Interpreting the result

The Training Effect Extended Across Three Upper-Body Outcomes.

Why the trial design matters

The groups began similarly and completed the same training structure.

Participants were randomized with concealed allocation, no significant baseline differences were observed, and all 30 athletes completed all 24 sessions without a missed workout.

That design makes the between-group changes more informative than an uncontrolled before-and-after result.

What the broader result means

The difference was not confined to one maximum-strength test.

The Launch Pad group improved more in 1-RM strength, repeated 225-lb pressing, and seated throw distance. This supports a broader upper-body performance response within the tested off-season program.

It does not establish direct transfer to football-game performance, and the proposed stability and movement explanations were not measured in this trial.

Program ownership: Bench-specific work occurred inside a broader off-season strength-and-conditioning program. The randomized comparison supports a surface-associated difference within that complete context; it does not isolate every program component or prove a direct on-field effect.
Coach lens

Four Questions Before Programming From It.

01

Does my athlete resemble the sample?

The study involved healthy male collegiate football players aged 18–25 with a history of moderate resistance training. Apply more cautiously outside that population.

02

Does my program resemble the protocol?

The bench block ran three times per week for eight weeks, used 10–12 pressing and fly sets, progressed from 50% to 90% 1-RM, and occurred within a broader supervised off-season program.

03

Am I using the outcomes actually measured?

The study measured free-weight 1-RM, NFL-225 repetitions, and seated medicine-ball throw distance. It did not measure hypertrophy, pain, joint forces, injury incidence, or game statistics.

04

Am I using “transfer” precisely?

The improvement extended from the training block to three tested upper-body outcomes. Do not turn that into a claim that the equipment directly improved blocking, tackling, or overall football performance.

Limitations and next questions

What Still Needs to Be Tested.

Study-specific limitations
  • Relatively small sample limited to healthy, resistance-trained male collegiate football players.
  • The bench-specific intervention occurred inside a broader off-season program, and the study did not include a third group completing that program without bench-specific work.
  • Diet and macronutrient intake were not regulated beyond restrictions on new supplements or weight-management regimens.
  • Eight weeks does not establish long-term retention or what happens after the program ends.
  • The seated medicine-ball throw is a field test used as an upper-body power proxy; it is not direct barbell-power or game-performance measurement.
  • The proposed stability, scapular-position, muscle-activation, and range-of-motion mechanisms were not directly measured.
Next research questions
  • Can independent laboratories reproduce the three-outcome pattern?
  • Does it reproduce in women, other sports, younger or older athletes, and different training levels?
  • How durable are the changes after training ends?
  • Which interface variables and movement mechanisms account for the observed differences?
  • How does the surface perform under other periodized programs, loads, volumes, and exercise selections?
  • Do future trials show changes in direct sport-performance, hypertrophy, pain, injury, or joint-loading outcomes?
Remember: These are group averages from one defined collegiate-football program. They are not guaranteed personal gains, universal team outcomes, or direct evidence of improved game performance.
Cite the study

Keep the Source Attached to the Claim.

Blatney, A. E., Kidwell, J. A., Yamamoto, T., Goldman, P., Hetherton, K. J., & Dolezal, B. A. (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. https://doi.org/10.55860/RNUB8627

From evidence to equipment

Read the Paper. Then Decide Whether the Surface Belongs in Your Program.

Reference: Blatney, A. E., Kidwell, J. A., Yamamoto, T., Goldman, P., Hetherton, K. J., & Dolezal, B. A. (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. https://doi.org/10.55860/RNUB8627

Publication record: Published online October 2, 2025 and included in Volume 5, Issue 1 (2026). The citation year above follows the published article PDF and the synchronized AMM citation library.

Statistical interpretation: Wasserstein, R. L., & Lazar, N. A. (2016), ASA Statement on p-Values; Hedges, L. V. (1981), Distribution Theory for Effect-Size Estimators.

Effect-size context: Swinton, P. A., Schoenfeld, B. J., & Murphy, A. (2024), Dose–Response Modelling of Resistance Exercise; Makaruk, H., et al. (2024), Resistance Training and Sport-Specific Performance in Elite Athletes.

Research notice: This page is an educational summary, not the published article. It does not provide medical advice or guarantee an individual result.