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RT @Adarchism: ソース: Effect of backpack load carriage on cervical posture in primary schoolchildren https://t.co/NiEz5qe38I
RT @Adarchism: ソース: Effect of backpack load carriage on cervical posture in primary schoolchildren https://t.co/NiEz5qe38I
ソース: Effect of backpack load carriage on cervical posture in primary schoolchildren https://t.co/NiEz5qe38I
Getting ready for back to school? Take a look at this study on the effects of back pack weight and cervical posture! http://t.co/ESsfLqbYiA