Mervat Mohamed Zakaria Hamed Hefney <br/><br/>
Effect of different types of backpack carrying on dynamic balance in normal subjects /  
 تأثير الطرق المختلفة لحمل حقائب الظهر على الاتزان الحركى عند الأشخاص الأصحاء 
Mervat Mohamed Zakaria Hamed Hefney ; Supervised Salam Mohamed Elhafez , Nagui Sobhi Nassif , Ahmed Yousry Radwan 
 - Cairo :   Mervat Mohamed Zakaria Hamed Hefney ,   2013 
 - 156 P. :   charts , facsimiles ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Physical Therapy - Department of Biomechanics 
<br/><br/> The purpose of this study is to investigate the postural stability elicited by young adults while standing with different types of backpack carrying systems (bilateral straight - bilateral crossing - unilateral crossing). Twent normal female subjects participated in this study. Their weight ranged from 45 to 64 kg, age ranged from 17 to 25 years and height from 152 to 165 cm 
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<br/><br/><label>Subjects--Index Terms: </label>Backpack Balance Dynamic balance