Effect of Static and Dynamic Stretching on the Diurnal Variations of Jump Performance in Soccer Players

Hamdi Chtourou, Asma Aloui, Omar Hammouda, Anis Chaouachi, Karim Chamari and Nizar Souissi

PLOS ONE, 2013, vol. 8, issue 8, 1-6

Abstract: Purpose: The present study addressed the lack of data on the effect of different types of stretching on diurnal variations in vertical jump height - i.e., squat-jump (SJ) and countermovement-jump (CMJ). We hypothesized that dynamic stretching could affect the diurnal variations of jump height by producing a greater increase in short-term maximal performance in the morning than the evening through increasing core temperature at this time-of-day. Methods: Twenty male soccer players (age, 18.6±1.3 yrs; height, 174.6±3.8 cm; body-mass, 71.1±8.6 kg; mean ± SD) completed the SJ and CMJ tests either after static stretching, dynamic stretching or no-stretching protocols at two times of day, 07:00 h and 17:00 h, with a minimum of 48 hours between testing sessions. One minute after warming-up for 5 minutes by light jogging and performing one of the three stretching protocols (i.e., static stretching, dynamic stretching or no-stretching) for 8 minutes, each subject completed the SJ and CMJ tests. Jumping heights were recorded and analyzed using a two-way analysis of variance with repeated measures (3 [stretching]×2 [time-of-day]). Results: The SJ and CMJ heights were significantly higher at 17:00 than 07:00 h (p

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0070534

DOI: 10.1371/journal.pone.0070534

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