TY - JOUR
T1 - Effect of Training Phase on Physical and Physiological Parameters of Male Powerlifters
AU - Hackett, Daniel A
AU - Wilson, Guy C
AU - Mitchell, Lachlan
AU - Haghighi, Marjan Mosalman
AU - Clarke, Jillian L
AU - Mavros, Yorgi
AU - O'Connor, Helen
AU - Hagstrom, Amanda D
AU - Slater, Gary J
AU - Keogh, Justin
AU - McLellan, Chris
PY - 2020/7/30
Y1 - 2020/7/30
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=85104030706&partnerID=8YFLogxK
U2 - 10.3390/sports8080106
DO - 10.3390/sports8080106
M3 - Article
C2 - 32751554
SN - 2075-4663
VL - 8
JO - Sports
JF - Sports
IS - 8
M1 - 106
ER -