1. Clean out your purse.
Hanging a heavy weight off one side of your body stresses your skeleton as muscles try to compensate. Weigh your shoulder bag, backpack, or briefcase on the bathroom scale. If it’s more than 10 percent of your body weight, pare it down.
2. Carry less cash.
Hey, big spender: Sitting on a fat wallet all day tweaks the spine and can compress a crucial nerve in the buttocks. That can cause sciatica—inflammation of that nerve. This problem is so common among men that it actually has a name: wallet neuropathy.