Post-activation Performance Enhancement after a Bout of Accentuated Eccentric Loading in Collegiate Male Volleyball Players

Kuo-Wei Tseng, Jyun-Ru Chen, Jun-Jie Chow, Wei-Chin Tseng, Giancarlo Condello, Hsia-Ling Tai and Szu-Kai Fu
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Kuo-Wei Tseng: Department of Exercise and Health Sciences, College of Kinesiology, University of Taipei, Taipei 111036, Taiwan
Jyun-Ru Chen: Department of Exercise and Health Sciences, College of Kinesiology, University of Taipei, Taipei 111036, Taiwan
Jun-Jie Chow: Department of Exercise and Health Sciences, College of Kinesiology, University of Taipei, Taipei 111036, Taiwan
Wei-Chin Tseng: Department of Physical Education, College of Science, University of Taipei, Taipei 100234, Taiwan
Giancarlo Condello: Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
Hsia-Ling Tai: Department of Physical Education, College of Science, University of Taipei, Taipei 100234, Taiwan
Szu-Kai Fu: Graduate Institute of Sports Training, College of Kinesiology, University of Taipei, Taipei 111036, Taiwan

IJERPH, 2021, vol. 18, issue 24, 1-12

Abstract: The purpose of this study was to investigate the benefit of post-activation performance enhancement (PAPE) after accentuated eccentric loading (AEL) compared to traditional resistance loading (TR). Sixteen male volleyball athletes were divided in AEL and TR group. AEL group performed 3 sets of 4 repetitions (eccentric: 105% of concentric 1RM, concentric: 80% of concentric 1RM) of half squat, and TR group performed 3 sets of 5 repetitions (eccentric & concentric: 85% of 1RM). Countermovement jump (CMJ), spike jump (SPJ), isometric mid-thigh pull (IMTP), and muscle soreness test were administered before (Pre) exercise, and 10 min (10-min), 24 h (24-h), and 48 h (48-h) after exercise. A two-way repeated measures analysis of variance was used to analyze the data. Peak force and rate of development (RFD) of IMTP in AEL group were significantly greater ( p < 0.05) than TR group. The height, peak velocity, and RFD of CMJ, height of SPJ, and muscle soreness showed no interaction effects ( p > 0.05) groups x time. AEL seemed capable to maintain force production in IMTP, but not in CMJ and SPJ. It is recommended the use of accentuated eccentric loading protocols to overcome the fatigue.

Keywords: resistance training; eccentric overload; jumping ability; muscle power; potentiating effects (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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