功能：增强上肢及背部肌群力量。
Function: Enhance the muscle strength of upper limbs and the back.
目的探讨下颌偏斜对咀嚼肌、颈、肩背部肌肌电的影响。
Objective To investigate the influence of mandibular deviation on facial and head-cervical muscles function.
功能：增强上肢、胸、背部肌群的力量，提高人体心肺功能。
Functions: Enhance the muscle strength of upper limbs, chest and the back.
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