Publication: Pilot study on improvement in respiratory function in sedentary young female adults with forward shoulder posture following scapulothoracic exercises: a randomized controlled trial
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Issued Date
2023
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application/pdf
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Scopus
Bibliographic Citation
Advances in Rehabilitation. Vol 37, No.1 (2023), p.23-32
Suggested Citation
Thongchote K., Threetepchanchai K., Chuwijit A., Lapmanee S. Pilot study on improvement in respiratory function in sedentary young female adults with forward shoulder posture following scapulothoracic exercises: a randomized controlled trial. Advances in Rehabilitation. Vol 37, No.1 (2023), p.23-32. doi:10.5114/areh.2023.125825 Retrieved from: https://hdl.handle.net/20.500.14740/10439
Other Contributor(s)
Abstract
Introduction: Upper body muscular imbalance is a potential risk factor in various shoulder problems and respiratory functions. Exercises aimed at the pectoralis minor and scapular stabilizer muscles could alleviate muscular imbalances in forward shoulder posture (FSP). However, the efficacy of these exercises on respiratory function, including chest mobility, lung capacity, and respiratory muscle strength in FSP remains unclear. Material and methods: In this randomized clinical trial, 28 female participants with FSP, aged 18-23 years, were divided into the control and exercise groups. The exercise programs were conducted five days/week for eight weeks. The distance from the acromion process to the wall was measured to determine FSP. Pectoralis minor length (PL) were measured from coracoid process to the fourth costosternal joint, thoracic kyphosis (TK) was measured along the thoracic spines, chest expansion was measured from the amplitude of thoracic wall circumference during full expiration and inspiration, maximal respiratory muscle strength generated during respiration (MIP), and maximum respiratory muscle strength during expiration (MEP); all were assessed pre- and post-exercise intervention. Results: After the eight-week training program, an improvement in FSP was observed, manifested as decreased mean difference (p < 0.05) and TK (p < 0.003). The PL (p < 0.05) and lower part of chest expansion (p < 0.010) were restored compared to the control group. The strength generated in respiration (MIP) also improved in the exercise group (p < 0.013). Conclusions: An eight-week pectoral muscle stretching and scapular stabilizer strengthening programme could reduce FSP, improving chest mobility and respiratory muscle strength. © 2023, the Authors.