Evaluation of shoulder girdle strength more than 12 month after modified radical mastectomy and axillary nodes dissection

Journal of Research in Medical Sciences1735-199522020170509Evaluation of shoulder girdle strength more than 12 month after modified radical mastectomy and axillary nodes dissection1066110661ENDepartment of Sport Science University of Tehran Mirmohana BLV., Kish International Campus, university of Tehran, Kish, IranDepartment of Pediatric Surgery Al-Zahra university Hospital Isfahan University of Medical Sciences, Hezarjarib avenue, Isfahan, Iran.Department of Sport Medicine University of Tehran Physical Education and Sport Sciences Faculty, Kargar Anveu, Tehran, IranDepartment of Sport Medicine University of Isfahan Physical Education and Sport Sciences Faculty, Hezarjarib Anenu, Isfahan, Iran20170506Background: Muscle strength is necessary for upper body normal function. Upper extremity function impairments have been reported in breast cancer (BC) survivors. It is not possible to know precisely if cancer adjuvant therapy such as radiation and chemotherapy had any effect on the unaffected arm. Te aim of this study was to compare shoulder girdle strength among women with BC and similarly aged women without cancer. Materials and Methods: Tirty-three postmenopausal women (51 ± 6.46 years) with BC who underwent surgery, chemotherapy, and radiation therapy and 30 healthy postmenopausal women (53.26 ± 5.05 years) were selected. Muscle strength was measured using a handheld dynamometer for flexion, horizontal adduction, internal and external rotation, scapular abduction and upward rotation, scapular depression, and adduction. Data were analyzed by multivariate analysis of variance (P < 0.05). Results: Te findings indicated significant differences between groups of 6 of the shoulder girdle strength measure (flexion (P = 0.003), internal rotation (P = 0.001), external rotation (P = 0.040), scapular abduction and upward rotation (P = 0.001), scapular depression and adduction (P = 0.025), and shoulder horizontal adduction (P = 0.00)). Patients showed significantly lower strength compared with healthy controls (flexion = 34.3%, abd = 64.2%, int.rot = 51.2%, ext.rot = 32.4%, hor.add = 58.06, and depression = 35.2%). Conclusion: Te results indicate that the shoulder girdle strength in women with BC decreased compared with healthy women without BC. Terefore, during the treatment of patients with BC, designing of training programs and rehabilitation programs need to be performed on shoulder girdle strength factors in patients undergoing mastectomy with axillary surgery and radiation therapy.Key words: Breast neoplasm, chemotherapy, lymph nodes, menopause, radiotherapy, upper extremity functionhttp://jrms.mui.ac.ir/index.php/jrms/article/view/10661http://jrms.mui.ac.ir/index.php/jrms/article/download/10661/5493