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ISSN : 2092-8475(Print)
ISSN : 2714-0148(Online)
Journal of International Academy of Physical Therapy Research Vol.15 No.2 pp.3150-3159
DOI : https://doi.org/10.20540/JIAPTR.2024.15.2.3150

Comparison of Effects of Pectoralis Minor Self-Myofascial Release and Self-Stretching Exercise on Shoulder Height and Muscle Tone in Teachers of Child Care Center with Round Shoulder Posture

Jiyoung Bae, PT, PhDa, Kyungtae Yoo, PT, Prof., PhDa, Mikyoung Kim, PT, PhDa
aDepartment of Physical Therapy, Namseoul University, Cheonan, Republic of Korea

Abstract

Background: Child care center teachers are exposed to musculoskeletal injuries caused by repetitive movements at low heights due to the nature of their jobs. Self-myofascial release (SMFR) improves flexibility, pain, and functional performance. Pectoralis minor self-stretching (PMSS) improves muscle flexibility and postural alignment. PMSS has been commonly used to correct a rounded shoulder posture (RSP).
Objectives: To examine the shoulder height, muscle tone, muscle stiffness, and muscle elasticity for women child care center teachers with RSP.
Design: Randomized study.
Methods: The participants were 20 women child care center teachers with RSP. They were randomly assigned two groups: SMFR group (n=10) and PMSS group (n=10). They performed each exercise for 20 min, 3 times a week for 4 weeks. They measured shoulder height, muscle tone, stiffness, and elasticity of upper trapezius before and after exercise.
Results: In the shoulder height, there was no significant difference between two groups. There were significant decreases within both groups. In the muscle tone, stiffness, and elasticity, there was no significant difference between two groups and within two groups.
Conclusion: SMFR using a hard massage ball and PMSS have a positive effect on posture correction for child care center teacher with RSP.

초록

 

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