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Abstract
Subjects: Sixty student volunteers from both genders aged 18 to 25 years old. Methods: Each student stood on the biodex balance system to measure the dynamic balance without carrying a bag then, with carrying a unilateral shoulder bag on the dominant shoulder and on the non-dominant shoulder with a rest period in between trials. Results: There was a significant difference in OSI between without carrying a bag and carrying a unilateral shoulder bag on the dominant side (p-value= 0.001), but there wasn{u2019}t significant difference between without carrying a bag and carrying a unilateral shoulder bag on the non-dominant side (p-value=0.132) and between carrying a unilateral shoulder bag on the dominant and non-dominant side (p- value =0.227).There was a significant difference in APSI between without carrying a bag and carrying a unilateral shoulder bag on the dominant side (p value =0.002), but there wasn{u2019}t significant difference between without carrying a bag and carrying a unilateral shoulder bag on the non-dominant side (p-value =0.550) and between carrying a unilateral shoulder bag on the dominant and the non-dominant side (p-value =0.180).There was a significant difference in MLSI between without carrying a bag and carrying a unilateral shoulder bag on the dominant side (p-value =0.001), but there wasn{u2019}t significant difference between without carrying a bag and carrying a unilateral shoulder bag on the non-dominant side (p-value =0.074) and also between carrying a unilateral shoulder bag on the dominant and the non-dominant side (p-value =0.492)