1 - Lie on your back on an exercise mat or the floor with your knees bent and feet flat on the ground. Place your arms at your sides, palms facing down.
2 - Lift your right foot off the ground, extending your right leg straight out in front of you. Keep your left foot firmly planted on the ground with your knee bent.
3 - Press through your left heel and squeeze your glutes to lift your hips off the ground. Your body should form a straight line from your shoulders to your left knee.
4 - At the top of the movement, your body should be supported by your left foot, shoulders, and upper back.
5 - Slowly lower your hips back down to the ground without touching it.
6 - After completing the desired number of repetitions on the left side, switch to your right leg and perform the exercise with your left leg extended.
