Nothing can derail your fitness goals like an injury. Running with muscles that are cold and not properly stretched can result in a muscle strain that keeps you off your feet -- and off the road or trail -- for days, weeks or even months.
The routine provided focuses on stretching the major muscle groups used in running -- the quadriceps, hamstrings, gluteals and hip flexors -- and incorporates movements that also warm up the abdominal, back and calf muscles.