Lie face down on a mat with your arms extended overhead. Engage your core and lift your chest and legs off the ground simultaneously. Kick your legs up and down in a fluttering motion, as if you were swimming. Continue kicking for the desired number of repetitions. Lower your chest and legs back down to the starting position.
Difficulty
Intermediate
Category
Strength
Target Muscle
Secondary Muscles
hamstrings, quadriceps, calves
Equipment
Body weight
Body Part
Upper legs