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, 64 (4), 328-336
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Does a Core Stabilization Exercise Program Have a Role on Shoulder Rehabilitation? A Comparative Study in Young Females

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Does a Core Stabilization Exercise Program Have a Role on Shoulder Rehabilitation? A Comparative Study in Young Females

Tuğçe Özekli Mısırlıoğlu et al. Turk J Phys Med Rehabil.

Abstract

Objectives: This study aims to evaluate the effect of core stabilization exercises and to explore the immediate effect of core muscles-activated posture on shoulder maximal voluntary isometric contraction (MVIC) strength.

Patients and methods: Between November 2016 and January 2015, a total of 75 healthy female volunteers (mean age 25.36 years; range, 18 to 30 years) were included. Of these, 42 consecutive volunteers were assigned as the study group, while the remaining 33 volunteers were assigned as the control group. The study group completed a six-week core stabilization home-based exercise program. Two measurements were performed with six-week interval. A set of three repetitions for each shoulder side was performed by an electronic dynamometer under two conditions: core muscles relaxed and activated. Measurements were monitored real-time with a connected computer and recorded in Newton.

Results: The activation of core muscles during the measurement significantly decreased the MVIC values in both groups (p<0.05). The MVIC values significantly increased after home-based exercise program in both conditions (p<0.05).

Conclusion: Our study showed that six-week core stabilization exercise program had a significant positive effect on the shoulder MVIC strength. This result may support the use of core stabilization exercises in the early periods of shoulder rehabilitation when the shoulder muscle strengthening exercises are painful.

Keywords: Muscle strength dynamometer; rotator cuff; shoulder.

Conflict of interest statement

Conflict of Interest: The authors declared no conflicts of interest with respect to the authorship and/or publication of this article.

Figures

Figure 1
Figure 1. The participants were barefoot, both ankles touching each other. The measurements were performed in standing position with the arm in 90° of abduction in the scapular plane, the elbow extended and the forearm pronated.
Figure 2
Figure 2. Basic core stabilization exercises: (1) abdominal drawing-in, (2) abdominal drawing-in with alternating upper extremity movement, (3) abdominal drawing-in with alternating lower extremity movement, (4) abdominal drawing-in with alternating upper and lower extremity movement, (5) opposite arm leg raises in prone position, (6) pelvic tilt while standing, (7) forward lunge.
Figure 3
Figure 3. Bar graph showing mean shoulder strength values according to dominancy and position at baseline and six-week measurements.

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