30 Day Plank Challenge - Benefits of Plank Exercise: *It strengthens your lower back. *It develops your core muscles – which include the abs, back, hips and the butt. *Helps you to avoid injuries and encourage good posture.
12 Easy Exercises to Get Slender Legs and a Better Butt-The Nike trainer Alex Silver-Fagan confirms that the squats are the key to get nice butt and beautiful legs. The best way is to combine the recommended exercises below with other training programs.