All the athletes should perform a warm-up consisting of five minutes of jogging and static stretching (Experimental Group 1) or dynamic stretching (Experimental Group 2). Before the beginning of the study and right after performing the stretching protocol, the investigators evaluated the unipedal postural stability, the acustic reaction time, the joint position sense of the knee and the countermovement jump of the athletes.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
24
To analyze the immediate effects of static stretching on performance of sprinters
To analyze the immediate effects of dynamic stretching on performance of sprinters
University of Jaén
Jaén, Jaén, Spain
Change in the unipedal postural balance of athletes
Monopodal postural stability (15 seconds as still as possible on a baropodometric platform in left-leg and right-leg monopodal support)
Time frame: baseline and 15 minutes
Change in counter-movement jump of athletes
A maximum vertical jump with counter-movement.
Time frame: baseline and 17 minutes
Change in Joint Position Sense of the knee of athletes
Acuity of repositioining a previous position of the knee joint
Time frame: baseline and 20 minutes
Change in Acustic Reaction Time of athletes
Time spent to rise the dominant leg after an acustic signal
Time frame: baseline and 22 minutes
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