Front Hold on Elbows One Leg Raise

Setup
Lie prone on mat. Place forearms on mat, elbows under shoulders. Place legs together with forefeet on floor and feet.
Movement Instructions
Raise body upward by straightening body in straight line between ankles, knees, hips and shoulders. Raise one leg, knee extended, until foot is above hip height, hold for 2 count, then return foot to mat. Raise other leg, hold, then return. Repeat.
Comments
Muscles are exercised isometrically. Keep hips level throughout hold, do not rotate to help.