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- Title
Association between Change in Regional Phase Angle and Jump Performance: A Pilot Study in Serie A Soccer Players.
- Authors
Bongiovanni, Tindaro; Trecroci, Athos; Rossi, Alessio; Iaia, Fedon Marcello; Pasta, Giulio; Campa, Francesco
- Abstract
Purpose: This observational longitudinal investigation aimed to investigate whether change in bioelectrical regional phase angle (PhA) is a predictor of change in vertical jump performance in elite soccer players. Methods: Fifteen soccer players (age: 28.7 ± 5.0 years, body weight: 82.4 ± 6.8 kg, height: 186.0 ± 0.1 cm, body mass index: 23.8 ± 1.2 kg/m2) competing in the first Italian division (Serie A) were included in this study and tested before the pre-season period and after the first half of the championship. Whole body and lower hemisoma PhA were obtained with a phase-sensitive 50 kHz bioelectrical impedance analyzer and legs lean soft tissue was estimated using specific bioimpedance-based equation developed for athletes. Vertical jump performance was assessed using the countermovement jump (CMJ). Results: The major findings of the study are that changes in lower hemisoma PhA are more strongly related with changes in jump performance (r² = 0.617, p = 0.001) than changes in whole-body PhA (r² = 0.270, p = 0.047), even after adjusting for legs lean soft tissue and for body mass index (β = 5.17, p = 0.004). Conclusions: These data suggest that changes in lower hemisoma PhA might be used as a tool for evaluating performance related parameters in sports where specific body segments are involved, in preference to the whole-body measured value.
- Subjects
SOCCER players; BIOELECTRIC impedance; BODY composition; VERTICAL jump; WHOLE body counting
- Publication
European Journal of Investigation in Health, Psychology & Education (EJIHPE), 2021, Vol 11, Issue 3, p860
- ISSN
2174-8144
- Publication type
Article
- DOI
10.3390/ejihpe11030063