A strong back is essential for overall strength and posture. The Superman exercise is a great way to target your lower back muscles. Lie face down on a mat with your arms extended in front of you and your legs straight. Simultaneously lift your arms, chest, 콘텐츠이용료 현금화 방법 and legs off the ground. Hold for a few seconds before lowering down. Repeat for multiple reps to build a resilient lower back.