Instructions:
- 1Sit down on a bench with your back straight, lean backward and place your hands on the bench for support
- 2Raise your legs straight off the floor making a 'V' shape with your body
- 3Alternately move your legs up and down without bending your knees
Tips:
- Keep your back fixed at a place
- Keep your abdominal muscles engaged.
- Keep breathing smoothly and avoid breath-holding