Int J Sports Med
DOI: 10.1055/a-2588-0682
Nutrition

Association of Phase Angle with Exercise Performance in Adolescent Female Basketball Players

1   Faculty of Education, University of Miyazaki, Miyazaki, Japan (Ringgold ID: RIN12952)
,
Taiki Yamamoto
2   Graduate School of Sport and Health Science, Fukuoka University, Fukuoka, Japan (Ringgold ID: RIN12774)
,
Taijiro Hide
3   Student Affairs Office, Fukuoka University, Fukuoka, Japan (Ringgold ID: RIN12774)
,
Yukiya Tanoue
4   Ritsumeikan-Global Innovation Research Organization, Ritsumeikan University, Kusatsu, Japan (Ringgold ID: RIN12696)
,
Rie Tomiga-Takae
2   Graduate School of Sport and Health Science, Fukuoka University, Fukuoka, Japan (Ringgold ID: RIN12774)
,
Atsuya Yamashita
1   Faculty of Education, University of Miyazaki, Miyazaki, Japan (Ringgold ID: RIN12952)
5   Graduate School of Physical Education, National Institute of Fitness and Sports in Kanoya, Kanoya, Japan (Ringgold ID: RIN12691)
,
Ryoma Michishita
6   Faculty of Sports and Health Science, Fukuoka University, Fukuoka, Japan (Ringgold ID: RIN12774)
,
Yasuki Higaki
6   Faculty of Sports and Health Science, Fukuoka University, Fukuoka, Japan (Ringgold ID: RIN12774)
,
Yoshinari Uehara
6   Faculty of Sports and Health Science, Fukuoka University, Fukuoka, Japan (Ringgold ID: RIN12774)
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Gefördert durch: JSPS KAKENHI 23KK0177
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Abstract

The phase angle measured by bioelectrical impedance analysis is a potential indicator of exercise performance. Owing to the lack of studies on adolescent female athletes, this study aimed to investigate the relationship between whole-body and regional phase angles and exercise performance in adolescent female basketball players. Forty-five female basketball players (aged 16.6±0.6 y) participated in this study. Lean soft tissue and phase angles for the whole-body, upper limb, and lower limb were assessed using the bioelectrical impedance analysis method. Participants performed maximal isometric knee extension and flexion strength, 20-m sprint, a vertical jump, an agility T-test, and a 20-m shuttle run test. The phase angle for the whole-body and the phase angle for the upper limb, but not the phase angle for the lower limb, were significantly correlated with the 20-m sprint and endurance capacity (all p<0.01). Even after adjusting for age and lean soft tissue in multiple regression analysis, the phase angle for the whole-body and the phase angle for the upper limb remained a significant predictor of these parameters (all p<0.05). The phase angle for the upper limb, combined with age and lean soft tissue, explained endurance capacity similarly to the phase angle for the whole-body (adjusted R 2: 0.24 vs. 0.23) but was better for the 20-m sprint (adjusted R 2: 0.26 vs. 0.11). Both whole-body and regional phase angles are associated with sprint and aerobic performance in adolescent female basketball players. However, the regional phase angle can be an equivalent or superior predictor of these performance parameters compared with the whole-body phase angle.



Publikationsverlauf

Eingereicht: 16. Januar 2025

Angenommen nach Revision: 14. April 2025

Accepted Manuscript online:
15. April 2025

Artikel online veröffentlicht:
07. Juli 2025

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