Skull Crusher Exercise: Benefits, Mistakes, Form

Do you want to get rid of flabby arms? Train your triceps and get awesome arms. The triceps are located on the back of the arm. Their name is due to the fact that they are composed of three muscle strands (the long, medial, and lateral heads). Triceps are the muscles that help you straighten your arms and are involved in arm adduction, and shoulder joint stabilization.