DO YOU: Exercise in old sneakers?The risk: Worn soles can cause plantar fasciitis, an inflammation of the tissue band (fascia) connecting the heel to the toes.The fix: Replace shoes every 350 to 500 miles (or about every 3 to 6 months), or when the soles look beat up. (Find your perfect shoe with our favorite sneakers of the year.) MORE: 30-Second Foot Pain Fix DO YOU: Spend the summer in flip-flops?The risk: Little support in the arch and heel of these sandals can strain and stretch the fascia and Achilles tendon, which attaches calf muscles to the heel.The fix: Wear sandals with arch support and that bend at the ball of the foot (not in the middle) to allow for a normal stride. DO YOU: Sit for most of the day?The risk: Your calf muscles tighten up. When you walk, tight muscles can pull on the ligaments and tendons that attach to the heels, altering your gait.The fix: Stretch by your desk. Facing a wall from 3 feet away, with feet flat on the floor and knees locked, lean forward and hold for 10 seconds as calf muscles stretch, then relax. Repeat 5 times. MORE: 3 Simple Moves For Knee Pain Relief
