Instructions:
- 1Lie flat on the floor with your hands under your hips for support
- 2Lift one leg into the air, keeping it straight as you do so
- 3Lower the leg back down without letting it touch the floor
- 4Repeat this action with the other leg
- 5Alternate repeatedly between each leg
Tips:
- Keep your core engaged throughout the exercise
- Attempt to keep your legs as straight as possible
- Perform the exercise at a controlled pace
- Avoid lifting your lower back off the ground