Whole body and regional phase angle as indicators of muscular performance in athletes

Bioelectrical impedance analysis (BIA)-derived phase angle (PhA) has been used to assess cellular health in various populations, but its usefulness as a tool for measuring muscular performance in adult athletes has not been extensively investigated. Our investigation examined the association of whol...

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Bibliographic Details
Published in:European journal of sport science 2021-12, Vol.21 (12), p.1684-1692
Main Authors: Hetherington-Rauth, Megan, Leu, Chiara G., Júdice, Pedro B., Correia, Inês R., Magalhães, João P., Sardinha, Luís B.
Format: Article
Language:English
Subjects:
bioelectrical impedance
countermovement jump
lean soft tissue
power
strength
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Summary:Bioelectrical impedance analysis (BIA)-derived phase angle (PhA) has been used to assess cellular health in various populations, but its usefulness as a tool for measuring muscular performance in adult athletes has not been extensively investigated. Our investigation examined the association of whole-body (WB) PhA with muscular performance in 117 adult athletes from different sports and additionally assessed whether regional PhA was a better indicator of muscular performance compared to WB, while accounting for lean soft tissue (LST). Muscular performance was assessed with handgrip strength and countermovement jump power. WB and regional PhA and LST were obtained by BIA and dual-energy x-ray absorptiometry, respectively. Multiple linear regression was used to model outcomes, while adjusting for LST. WB PhA was positively associated with relative power and relative and absolute strength (p 
ISSN:1746-1391
1536-7290
DOI:10.1080/17461391.2020.1858971