Effects of Closed Chain Exercise on Activities of Shoulder Girdle Muscles in 60's

  • Park, Hye Jin (Department of Physical Therapy, Rehabilitation Center, Seoho Hospital) ;
  • Oh, Tae Young (Department of Physical Therapy, Silla University)
  • Received : 2015.07.23
  • Accepted : 2015.08.21
  • Published : 2015.08.25


Purpose: The purpose of this study was to compare activities of shoulder girdle muscles according to types of closed chain exercise in the sixties. Methods: The subjects consisted of 15 persons in their sixties. Muscle activity of the pectoralis major, deltoid middle, deltoid posterior, upper trapezius, lower trapezius, and serratus anterior were measured using electromyography according to shape of the support base and angle of shoulder flexion. According to types of closed chain exercises, muscles activities were compared by paired t-test. Significance level to verify statistical significance was .05. SPSS win (ver. 22.0) program was used for statistical analysis. Results: Muscle activities of the pectoralis major, middle deltoid, trapezius lower, and serratus anterior showed significant difference according to types of closed chain exercise (p<0.05). Conclusion: According to types of closed chain exercises of the shoulder girdle, muscle activities of the pectoralis major, deltoid middle, posterior and lower trapezius showed change of muscle activities.


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