Article:
Relationships between Bat Swing Speed and Muscle Thickness and Asymmetry in Collegiate Baseball Players
Article summary:
The purpose of this study was to examine the relationships between bat swing speed (BSS), muscle thickness, and muscle thickness asymmetry in collegiate baseball players. The study included twenty-four collegiate baseball players who participated in hitting a teed ball while their BSS was measured using a motion capture system. Muscle thicknesses of the trunk, upper limb, and lower limb were measured using ultrasonography. The study found statistically significant positive correlations between BSS and muscle thicknesses of the abdominal wall and multifidus lumborum on the dominant side of the body, while no significant correlations were found on the non-dominant side. No correlations were found between BSS and the lateral asymmetry of any muscles. The findings suggest the importance of trunk muscles for bat swing and the lack of association between BSS and muscle size asymmetry.
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