Aching backs and shoulders? Tingling arms? Weakened muscles? Stooped posture? Does your child have these symptoms after wearing a heavy school backpack? Carrying too much weight in a pack or wearing it the wrong way can lead to pain and
Aching backs and shoulders? Tingling arms? Weakened muscles? Stooped posture? Does your child have these symptoms after wearing a heavy school backpack? Carrying too much weight in a pack or wearing it the wrong way can lead to pain and