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.
The secret to building sexier biceps for women and men Lift your breasts naturally! Try these chest and back strengthening exercises for women to help you tone, firm and lift your chest and improve your posture.