When the dominant arm is compared with the non-dominant arm in overhead athletes there is a serious internal rotation limitation in the dominant arm. Due to overhead activity, adaptive changes in shoulder joint mobility and flexibility are indicated. Internal rotation limitation is often associated with increased external rotation. One of the reason of this adaptive change is posterior shoulder tightness which is common in overhead athletes as well as in volleyball players. The aim of this study is to determine the effect of stretching program on the range of motion, flexibility of posterior shoulder muscles and functional performance.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Enrollment
34
Stretching exercises will be applied 6 days a week, 30sec / 5 reps
Turkish Volleyball Federation
Ankara, Turkey (Türkiye)
Mean change from baseline in shoulder internal ROM measurement with digital inclometery at 6 weeks
Passive shoulder internal rotation gain which is measured with digital inclometery
Time frame: 6 weeks
Mean change from baseline in muscle hardness (kPA) with elastography at 6 weeks
Elastrography will be used to measure muscle hardness (kPA)
Time frame: 6 weeks
Mean change from baseline in distance scores on single arm shot put test at 6 weeks
Single arm shot put test will be used to assess arm power. Distance will be measured in cm.
Time frame: 6 weeks
Mean change from baseline in velocity (km/h) of spike with radar at 6 weeks
Spike velocity will be measured with radar (km/h)
Time frame: 6 weeks
Mean change from baseline in strength ( Nm/kg) of shoulder internal rotation and external rotation at 6 weeks
Isokinetic measurements of internal and external shoulder rotation (Nm/kg) at 60 degree/ Sec and 180 degree/ Sec speed will be done.
Time frame: 6 weeks
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