The shoes for each sport are designed to protect the body and accommodate the conditions you will encounter, such as ground surface and rate and type of movement. In jogging, shoes fit a range of foot shapes, withstand different terrains and cushion the foot from the damage repetitive impact may cause, which helps improve your performance and reduces your risk of experiencing sports-related injuries.
Stability and Pronation
Often, the foot's structure requires stability around the arch and ankle to prevent pronation — the inward rolling of the arch or outward rolling of the outside of the foot. Lacing that tightens the shoe and secures it against the foot accomplishes this requirement. If your feet have marked arch or pronation issues, you may need a shoe specifically designed for those foot conditions. Ask the staff at a specialty running store for assistance.
Cushion
Repetitive impacts on a hard surface send shockwaves through the feet and bones that can cause injury over time. The cushion in the sole of the ball and heal of a jogging shoe is meant to absorb the shock and prevent pain, swelling and discomfort. The impact on the foot can measure as high as one-and-a-half to three times your body weight, according to "Consumer Reports" magazine.
Traction
Jogging surfaces vary depending on each jogger's preferences. An indoor track and mixed-surface trail require different grips, and a shoe with traction that prevents slipping in both of these scenarios is ideal. If your jogging routine is confined to one particular type of ground surface, buying a shoe specific for those conditions may be necessary.
Replacements
The length of a jogging shoe's life depends on many factors, including frequency and conditions of use. A broad rule of thumb is replacing a jogging shoe after 300 to 500 miles. A drop test involves holding one shoe at shoulder height and dropping it on its sole. If it bounces significantly, the cushioning still works. If it lands with a thud, it's time to buy new shoes. The wearing on the tread is another sign. If the tread is worn down on the bottom or outside sole, the shoe is past its prime.
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