2 types of planks equivalent to 1000 classic abdominal exercises in 2 repetitions
Lie on your side and support your body on the elbow and side of the foot. Lift your hips in a straight line from your ankles to your shoulders. Stabilize your upper body by tensing your abdominal muscles. Lift your upper leg without bending your knee and hold it for 5 seconds. Then return to … Read more