The purpose of this study is to assess the efficacy of dynamic tape in prevent shoulder muscle fatigue.
After being informed about the study and the potential of risk, all participants will undergo a screening to determine eligibility for study entry and giving written informed consent. We will include 20 participants who have pitch 100 times with dynamic taping or shame taping in randomized sequence. There must be more than 2 weeks resting between 2 test. We will test maximal force in shoulder flexion, extension, abduction and adduction before and after test. We also record spins and speed of baseball for performance outcome. To our hypothesis, we suggest dynamic taping could decrease the arm fatigue after long-term pitching.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
20
Use sham type on the pitching shoulder
Use dynamic type on the pitching shoulder for supporting internal rotation
Taipei Medical University
Taipei, Taiwan
Change from baseline in shoulder force after pitching
The dynamometer is a validated instrument assessing shoulder and arm force which is recorded in kilogram
Time frame: baseline and 2 weeks
Change of pitching velocity during pitching
The speed dun is a validated instrument assessing pitching velocity which is recorded in kilometer per hour
Time frame: baseline and 2 weeks
Change of pitching spin rate during pitching
The STRIKE baseball is a new instrument assessing pitching spin rate and axis which is recorded in rate per minute
Time frame: baseline and 2 weeks
Change of delayed onset muscle soreness after pitching
Visual analog scale is a validated self-record measure to assess delayed onset muscle soreness, which score range is 0 to 10.
Time frame: baseline, 1 Day, 2 days, 3 days, 4 days, 5 days, 6 days, 7 days, 14 days
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