Effect of training phase on physical and physiological parameters of male powerlifters

Journal article


Hackett, Daniel A., Wilson, Guy C., Mitchell, Lachlan, Haghighi, Marjan Mosalman, Clark, Jillian L., Mavros, Yorgi, O’Connor, Helen, Hagstrom, Amanda D., Slater, Gary J., Keogh, Justin and McLellan, Chris. (2020). Effect of training phase on physical and physiological parameters of male powerlifters. Sports. 8(8), p. Article 106. https://doi.org/10.3390/sports8080106
AuthorsHackett, Daniel A., Wilson, Guy C., Mitchell, Lachlan, Haghighi, Marjan Mosalman, Clark, Jillian L., Mavros, Yorgi, O’Connor, Helen, Hagstrom, Amanda D., Slater, Gary J., Keogh, Justin and McLellan, Chris
Abstract

Longitudinal research on training and dietary practices of natural powerlifters is limited. This study investigated the effect of phases of training on physical and physiological parameters in male natural powerlifters. Nine participants completed testing at two time points: (i) preparatory phase (~3 months prior to a major competition) and (ii) competition phase (1–2 weeks from a major competition). No significant changes between training phases were found for muscle strength and power. A trend for significance was found for decreased muscle endurance of the lower body (−24.4%, p = 0.08). A significant increase in leg lean mass was found at the competition phase (2.3%, p = 0.04), although no changes for other body composition measures were observed. No change was observed for any health marker except a trend for increased urinary creatinine clearance at the competition phase (12.5%, p = 0.08). A significant reduction in training volume for the lower body (−75.0%, p = 0.04) and a trend for a decrease in total energy intake (−17.0%, p = 0.06) was observed during the competition phase. Despite modifications in training and dietary practices, it appears that muscle performance, body composition, and health status remain relatively stable between training phases in male natural powerlifters.

Keywordstraining periodization; strength athletes; muscle power; athletic performance
Year2020
JournalSports
Journal citation8 (8), p. Article 106
PublisherMultidisciplinary Digital Publishing Institute (MDPI AG)
ISSN2075-4663
Digital Object Identifier (DOI)https://doi.org/10.3390/sports8080106
PubMed ID32751554
Scopus EID2-s2.0-85104030706
PubMed Central IDPMC7466622
Open accessPublished as ‘gold’ (paid) open access
Research or scholarlyResearch
Page range1-12
FunderCollaborative Research Network for Advancing Exercise and Sports Science (CRN-AESS)
Publisher's version
License
File Access Level
Open
Output statusPublished
Publication dates
Online30 Jul 2020
Publication process dates
Accepted29 Jul 2020
Deposited25 Aug 2022
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