Does anaerobic speed reserve influence post-activation performance enhancement in endurance runners?

We investigated the influence of anaerobic speed reserve (ASR) on post-activation performance enhancement (PAPE). Twenty-two endurance runners and triathletes were evaluated for maximum sprinting speed (MSS) and countermovement jump (CMJ) before (non-fatigued) and after (fatigued) an incremental run...

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Bibliographic Details
Published in:Applied physiology, nutrition, and metabolism nutrition, and metabolism, 2024-10, Vol.49 (10), p.1426-1430
Main Authors: Del Rosso, Sebastián, Varela-Sanz, Adrián, Tuimil, José L, Boullosa, Daniel
Format: Article
Language:English
Subjects:
Adult
Anaerobic Threshold - physiology
Athletic Performance - physiology
Exercise Test
Female
Humans
Male
Muscle Fatigue - physiology
Physical Endurance - physiology
Running - physiology
Young Adult
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Summary:We investigated the influence of anaerobic speed reserve (ASR) on post-activation performance enhancement (PAPE). Twenty-two endurance runners and triathletes were evaluated for maximum sprinting speed (MSS) and countermovement jump (CMJ) before (non-fatigued) and after (fatigued) an incremental running test. They were allocated in LASR (low-ASR) and HASR (high-ASR) groups for comparisons between conditions. HASR showed greater CMJ and MSS (both  ≤ 0.005) performances, with enhanced CMJ in fatigued condition (  ≤ 0.008). Significant correlations were found between ASR, CMJ, and MSS in both conditions (  ≤ 0.01) for the entire sample, and between ∆CMJ and ∆MSS (  ≤ 0.001) in LASR. Our results show that ASR profile influences PAPE.
ISSN:1715-5312
1715-5320
1715-5320
DOI:10.1139/apnm-2024-0085