Effects of Expiratory Muscle Strength Training in Adolescent Idiopathic Scoliosis

Condition(s) studied

Investigational drug(s) / intervention(s)

Expiratory Muscle Strength Training (EMST-150): Training is going to perform by using a pressure treshold-loading device (EMST-150, Aspire Products, LLC, Gainesville, FL) used to exhale against a same-pressure load every exhalation for strengthening primarily the core muscles. The device pressure is adjusted according to PEmax and reliability/reproducibility has been demonstrated.

Sham Training: Training is going to perform by using a pressure treshold-loading device (EMST-150, Aspire Products, LLC, Gainesville, FL) without physiological load. The sham device closely resembled the EMST device, with the only difference being that the pressure release valve was rendered nonfunctional by removing the spring. As a result, it exerted minimal to no physiological load on the targeted muscles.

Study summary

Adolescent idiopathic scoliosis result in deterioration of core muscles and respiratory system. Core muscles provide trunk stabilization as well as responsible for respiratory system. Especially tr. abdominis, rectus abdominis, external oblic and internal oblic muscle, which are core muscles, highly active during forced expiration while diaphragm muscle also active during inspiration. Thus, expiratory muscle strength training has effect not only respiratory muscle strength but also trunk stabilization. While, effects of expiratory muscle strength training in adolesecent idiopathic scoliosis is a topic that needs to be investigated, this topic has not been investigated until today. Hence, this current study aimed to investigate the effects of expiratory muscle strength training on cobb angle, respiratory muscle strength, core stabilization, functional exercise capacity and quality of life.

Eligibility

Primary outcome measure(s)

• Cobb Angle — 6 Weeks
  This is the gold standard method used to assess the lateral curvature of the spine. In this method, participants' anteroposterior radiographic images will be captured while they are in a standing position. The angle between a line drawn parallel to the upper edge of the highest vertebra involved in the scoliosis curve and a line drawn parallel to the lower edge of the lowest vertebra involved will be measured on the radiographic image. These measurements will be performed by an experienced orthopedic physician

Trial sites (1)

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