Static and dynamic stretching have same effects on lower extremity joints kinematics and muscular EMG variability in healthy active males during pedaling

Year 2016, Volume: 18 Issue: 3, 84 - 91, 31.12.2016

Ali Abbası Heydar Sadeghı Mehdi Zamanıan

Abstract

Previous studies about the effect of static and
dynamic stretching on forthcoming performance have been reported different
results. The purpose of present study was to examine the effects of acute
static and dynamic stretching on kinematics and EMG variability of lower extremity
joints and Muscles in healthy active males during pedaling. Fifteen
physically-active male students voluntarily participated in this research.
Lower extremity kinematics and EMG data from six lower extremity muscles were
collected during 30 pedaling cycle at 70 RPM in situation where there is no
stretching (baseline) and after 2, 5, and 10 min post static and dynamic
stretching by MIE motion analysis system. Filtered EMG signals and hip, knee
and ankle joints angle and angular velocity were extracted for constructing
time series and variability calculation. The results of repeated measures ANOVA
showed that there are no significant difference in the variability of Muscular
EMG and joints angle and angular velocity at 2, 5, and 10 minutes after static
and dynamic stretching (P> 0.05). Contrary to previous studies that
encouraged coaches and athletes to not use static stretching or to use dynamic
stretching instead, the results suggest cyclists can benefits from both
stretching types in warm-up programs. 

Keywords

Static stretching, Dynamic stretching, EMG variability, Kinematics variability, Pedaling

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