Muscle Strength in Menopausal Women with Breast Cancer

Authors

1 Assistant Professor, Physical Education Department, Kish International Campus, University of Tehran, Kish, Iran

2 Associate Professor, Sport Medicine Department, Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran,

3 Associate Professor, Sport Medicine Department, Faculty of Physical Education and Sport Sciences, University of Isfahan, Isfahan, Iran

4 PhD Student in Sport Injury and Corrective Exercises, Physical Education Department, Kish International Campus, University of Tehran, Kish, Iran

Abstract

Strength is necessary for upper body normal function. Many women with breast cancer report impairments in upper extremity function after the time required for improvement after breast cancer treatment. It is not possible to know precisely if cancer adjuvant therapies such as radiation and chemotherapy have any effects on the unaffected arm. The aim of this study was subjective report on strength of women with breast cancer.  Therefore, 33 postmenopausal women (51±6.46 yr) with breast cancer who completed the surgery, received chemotherapy and radiation therapy on average five years ago and 30 healthy postmenopausal women (53.26±5.05 yr) were selected. Strength was measured using a hand held dynamometer for flexion, horizontal adduction, internal and external rotations of shoulder, scapular abduction and upward rotation, scapular depression and adduction. Data were analyzed by MANOVA (P≤ 0.05). The findings indicated significant differences between the groups in six variables of shoulder girdle strength (shoulder flexion, internal rotation, external rotation, shoulder horizontal adduction, scapular abduction and upward rotation, scapular depression and adduction) and the strength reduction was respectively %74.1, %65.3, %75.5, % 63.9, %61.3, %74.8 in patients compared to healthy subjects. The results indicated the importance of evaluating the shoulder girdle strength in women with breast cancer. Based on these findings, years after treatment, decreased shoulder girdle strength is found in these patients, health care professionals need to focus on these special shoulder girdle strength factors during the treatment and designing training and rehabilitation programs for women with breast cancer.

Keywords


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