Difficulty
Intermediate
Category
Cardio
Target Muscle
Abs
Secondary Muscles
quadriceps, hamstrings, calves
Equipment
Body weight
Body Part
Waist
Find an open space or a track to perform the exercise. Start by standing with your feet shoulder-width apart. Begin running as fast as you can, pumping your arms and driving your knees up. Continue sprinting for a specific distance or time period. Rest and repeat for the desired number of repetitions.

