Autonomic nervous system for preparation of exercise while neck flexion posture

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Neck flexion posture has caused the influence to not only the somatic nervous system but also the autonomic nervous system and cause increase of the blood flow in the peripheral extremity muscles. Sports experience will be effective in change of peripheral circulatory dynamics while maintaining neck flexion posture. Peripheral blood flow selectively increases during neck flexion posture in the upper extremity muscles for the upper extremity group and in the lower extremity muscles for the lower extremity group. These findings indicate that sports experience will be effective in change of peripheral circulatory dynamics while maintaining neck flexion posture. Although an increase of peripheral blood flow is independent of the problem task during neck flexion posture, some subjects who did not indicate brain activation cause to increase of peripheral blood flow depended on the problem task during neck flexion posture.