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Effects of Joint Mobilization Intervention Combined with Exercise on Range of Motion, Pain Intensity, and Functional Performance in Adolescent Baseball Players with Internal Impingement of the Shoulder
J Korean Soc Phys Med 2018;13(2):11-19
Published online May 31, 2018;  https://doi.org/10.13066/kspm.2018.13.2.11
© 2018 Korean Society of Physical Medicine.

Tae-Young Oh, PhD, PT⋅Yeon-Ki Choo, PT1† ⋅Il-Young Yoo, PT1

Department of Physical Therapy, Silla University
1Department of Physical Therapy, Gupo SungShim Hospital
Received January 22, 2018; Revised February 6, 2018; Accepted March 26, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
PURPOSE: The aim of this study was to identify the effects of joint mobilization intervention combined with exercise on range of motion (ROM), pain intensity, and functional performance in adolescent baseball players with internal impingement syndrome of the shoulder.
METHODS: The subjects were 30 adolescent baseball players diagnosed with internal impingement. Ten subjects were randomly assigned to each of 3 groups: Group 1 (exercise only), Group 2 (joint mobilization combined with exercise), and Group 3 (rest-only control group). Three weekly interventions were given for 4 weeks (the control group rested for 4 weeks). The main outcome measures were goniometer, visual analogue scale (VAS), and Korean Kerlan Jobe shoulder-elbow (K-KJOC) scores. The ROM (external and internal rotation), pain intensity (at the moment of throwing), and functional performance were compared among the groups.
RESULTS: No significant difference was observed among the groups in the range of external rotation of the shoulder before and after the intervention, but the range of internal rotation was significantly increased in Group 2 compared to Groups 1 and 3. Pain intensity was significantly lower in Group 2 than in Group 1 and 3, and functional performance was significantly increased in Group 2 compared to Group 1 and 3.
CONCLUSION: An intervention that combined joint mobilization with exercise was more effective than resting or exercise alone for rapid recovery from sports injury and improvement in athletic performance.
Keywords : Adolescent baseball players, Exercise, Internal impingement of the shoulder, Joint mobilization


May 2018, 13 (2)
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