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.
Nobody likes having a double chin! While being overweight can contribute to it, for some people itâs simply a case of weak muscles.Fortunately, double chins are easily fixable. All you need to do is strengthen your neck muscles.