Cassandra Forsythe, Ph.D., R.D., is an exercise physiologist and author of The New Rules Of Lifting For Women.
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You should also take a good look at your sneakers. If they’re over a year old and looking worn (you can tell because the soles will look thin), it’s probably time to shop for a new pair.
The surface you’re working out on could also be an issue. Most wood floors should be okay, but if you’re in a basement on a hard concrete floor, get a workout mat—they’re thicker than a yoga mat—to add some cushioning. (Torch fat, get fit, and look and feel great with Women’s Health’s All in 18 DVD!)
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You could also have the start of plantar fasciitis, which is inflammation of the muscle in the bottom of your foot. The most common sign is a sharp pain in your heel right when you get up in the morning. If so, be sure to always stretch your calves before and after exercising. Two good calf stretches: 1) Put the ball of your foot up against a wall, with your heel on the floor, and lean into the stretch, and 2) Do a down dog yoga stretch while gently raising and lowering your heels one at a time. If that doesn’t help and the pain continues, see your doctor for treatment.
Source: THIS Is Why Your Feet Hurt So Badly After Your Workouts
