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. 2019 Oct;40(11):739-743.
doi: 10.1055/a-0969-2003. Epub 2019 Aug 22.

Phase Angle is Moderately Associated with Short-term Maximal Intensity Efforts in Soccer Players

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Phase Angle is Moderately Associated with Short-term Maximal Intensity Efforts in Soccer Players

Hellen C G Nabuco et al. Int J Sports Med. 2019 Oct.

Abstract

This study examined the relationship between PhA and short-term maximal intensity efforts in soccer players, and was conducted in 99 male soccer players, ages 19-36 years. Bioelectrical impedance was used to assess body fat, fat free mass (FFM) and PhA (phase angle). Running Anaerobic Sprint Test (RAST) was used to evaluate physical performance. Food consumption was assessed through the 24-hour dietary recall method. Pearson correlation and multiple regressions were used for statistical analysis. Phase angle exhibited a positive relationship with maximum power (β=0.66; P<0.001), even after adjustment for the co-variables FFM and body fat (β=0.52; P=0.02). Phase angle was inversely related with fatigue index (β=- 0.61; P=0.04), even after adjusting for FFM (β=- 0.70; P=0.020). Our results indicated that independently of FFM and body fat, PhA was inversely associated with fatigue index and positively related with maximum power, revealing the PhA appeared as a valid predictor of fatigue.

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Conflict of interest statement

Authors declare that they have no conflict of interest.

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