Comparison of Two Methods of Post-Activtion Performance Enhancement on Symmetry and Power Output in Elite American Football Players
Abstract
Post-activation potentiation performance enhancement (PAPE) refers to acute power increases after near maximal load exercise (e.g., jumps after heavy squats). Maximum effort (ME; low volume, slow bar speeds, high loads) and dynamic effort (DE; high volume, fast bar speeds, moderate loads) are two PAPE training methods. We sought to determine the influence of training method across sets in peak power (PP;W/kg), reactive strength (RS; m/s), jump height (JH; in.), and interlimb asymmetry in eccentric (EIA; %) and concentric (CIA; %) jump phases. Twenty-eight players training for the National Football League draft were separated into ME (n=13, age, 22.9 ±0.9 yrs, height, 1.88±0.06 m; mass, 100.6±15.6 kg) and DE (n=15; age, 23.1 ±0.8 yrs; height, 1.89±0.06 m; mass, 115.8±21.9 kg). Participants performed baseline jumps on force plates then 4 sets of a paired exercise and 2 jumps. 2 x 5 mixed-model ANOVAs demonstrated significant method x set interactions for PP (F(2.6,68.4)=2.99, p=0.043) and RS (F(2.7,69.1)=5.17, p=0.004). Method influenced PP baseline to set 1 and sets 1-2 where ME changed 68.7±9.9 to 71.8±10.4 to 73.5±8.9 W/kg but DE was stable. RS was influenced by method from baseline to set 1 and sets 1-2; ME changed 0.60±0.17 to 0.68±0.17 to 0.74±l0.17; DE changed 0.59±0.10 to 0.65±0.11 to 0.64±0.10 m/s. JH increased across all sets for both methods. There were no significant interactions for EIA (F(4,104)=0.715, p=0.583) or CIA (F(4,104)=2.04, p=0.094). Main effects were also not significant (p>0.05) indicating symmetry is not influenced by method or set. ME was superior at inducing PAPE.
Faculty Sponsors
Dr. Monique Mokha
Project Type
Event
Location
Alvin Sherman Library
Start Date
4-5-2023 12:00 PM
End Date
4-6-2023 4:00 PM
Comparison of Two Methods of Post-Activtion Performance Enhancement on Symmetry and Power Output in Elite American Football Players
Alvin Sherman Library
Post-activation potentiation performance enhancement (PAPE) refers to acute power increases after near maximal load exercise (e.g., jumps after heavy squats). Maximum effort (ME; low volume, slow bar speeds, high loads) and dynamic effort (DE; high volume, fast bar speeds, moderate loads) are two PAPE training methods. We sought to determine the influence of training method across sets in peak power (PP;W/kg), reactive strength (RS; m/s), jump height (JH; in.), and interlimb asymmetry in eccentric (EIA; %) and concentric (CIA; %) jump phases. Twenty-eight players training for the National Football League draft were separated into ME (n=13, age, 22.9 ±0.9 yrs, height, 1.88±0.06 m; mass, 100.6±15.6 kg) and DE (n=15; age, 23.1 ±0.8 yrs; height, 1.89±0.06 m; mass, 115.8±21.9 kg). Participants performed baseline jumps on force plates then 4 sets of a paired exercise and 2 jumps. 2 x 5 mixed-model ANOVAs demonstrated significant method x set interactions for PP (F(2.6,68.4)=2.99, p=0.043) and RS (F(2.7,69.1)=5.17, p=0.004). Method influenced PP baseline to set 1 and sets 1-2 where ME changed 68.7±9.9 to 71.8±10.4 to 73.5±8.9 W/kg but DE was stable. RS was influenced by method from baseline to set 1 and sets 1-2; ME changed 0.60±0.17 to 0.68±0.17 to 0.74±l0.17; DE changed 0.59±0.10 to 0.65±0.11 to 0.64±0.10 m/s. JH increased across all sets for both methods. There were no significant interactions for EIA (F(4,104)=0.715, p=0.583) or CIA (F(4,104)=2.04, p=0.094). Main effects were also not significant (p>0.05) indicating symmetry is not influenced by method or set. ME was superior at inducing PAPE.
