Effectiveness of Scapular Strengthening Exercises on Shoulder Dysfunction for Pain and Functional Disability after Modified Radical Mastectomy: A Controlled Clinical Trial

Abstract

Background: Breast cancer is the most prevalent from of cancer among women worldwide and leading cause of death. Breast cancer can be treated surgically, systemically (with hormonal therapy, chemotherapy) or with radiotherapy. Through the years, breast cancers management evolved towards conservation surgery. A surgical remove of partial or complete breast tissue, surrounding tissues, and nearby lymph nodes is called mastectomy. In Modified Radical Mastectomy, there is removal of entire breast tissue and lymph nodes. Treatment of modified radical mastectomy may lead to side effects such as shoulder pain, restricted shoulder mobility and anatomical and biomechanical changes of the shoulder, and also reduce functional disability. Method: Eighty six participants were included in this study. Two groups, each of 43 were made, Group A (control group) was given conventional exercises and Group B (study group) was given scapular strengthening exercises with conventional exercises. Outcome measures - Shoulder Pain And Functional Disability, Shoulder range of motion were assessed both pre and post-test. Result: Group B had lower pain intensity (77.116 ± 5.798vs 82.837 ± 3.860) and functional disability (70.326 ± 5.281 vs 77.791± 5.102) and higher shoulder flexion (167.98 ± 8.230 vs 107.05 ±8.018), abduction (156.91 ± 8.230 vs 107.63 ±8.230) and external rotation (62.372 ± 7.007 vs 41.907 ±6.771) range of motion than Group A. Conclusion: The current study concluded that, scapular strengthening exercises along with conventional treatment proved beneficial and effective rather than only conventional treatment on shoulder dysfunction for pain and functional disability after modified radical mastectomy.