Effect of Dominant versus Non-Dominant Unilateral Bag Carrying on Upper Trapezius Fatigue, Strength and Shoulder Function | ||||
| The Medical Journal of Cairo University | ||||
| Article 50, Volume 89, September, September 2021, Page 1803-1808 PDF (200.17 K) | ||||
| DOI: 10.21608/mjcu.2021.197277 | ||||
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| Authors | ||||
| DINA MAGDY, M.Sc.; WADIDA HASSAN, Ph.D.; MARY NASSIF, Ph.D. | ||||
| The Department of Basic Science, Faculty of Physical Therapy, Cairo University, Giza, Egypt | ||||
| Abstract | ||||
| Abstract Background: In today's society, women have a lot of tasks at work, study, family, social events and this coupled with the use of large and heavy shoulder bags put them at a particular risk of injuries in the shoulder complex. Aim of Study: This study aimed to compare between carrying a unilateral shoulder bag on the dominant versus non-dominant side on upper trapezius muscle fatigue, strength and shoulder function. Subjects and Methods: One hundred and twenty healthy females right handed with age ranging from 20-59 were randomly assigned into 2 equal blocked groups. The outcome measures included, upper trapezius fatigue & strength (via hand-held dynamometer) as well as shoulder function (via simple shoulder test). Both groups walked on a treadmill for 5 minutes with speed 1.1m/s (group A) was carried the bag on the dominant side & (group B) was carried the bag on the non-dominant side. The outcome measures were collected pre & post-test for the dominant side (group A) & the non-dominant side (group B). Results: The results of this study revealed that there were no significant differences in terms of fatigue & function between pre & post measurments, but there was a significant difference in upper trapezius muscle strength for both groups. However, there were no significant differences between the dominant & non-dominant sides in terms of fatigue, strength & function. Conclusion: Our results revealed that there were no significant differences when carrying a shoulder bag on the dominant & non-dominant side on upper trapezius fatigue, strength & shoulder function. | ||||
| Keywords | ||||
| Healthy females; Upper trapezius fatigue; Strength; Shoulder function | ||||
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