Functionally, the biceps are key players in elbow flexion (bending the arm), forearm supination (rotating the forearm so the palm faces upward, like turning a doorknob or opening a jar), and shoulder ...
Even if your work space is ergonomically correct — and even if you exercise regularly in your ... bringing your ear toward your shoulder. Hold for 10 seconds, then raise it slowly back up ...
Looks easy because there’s no complicated technique, but this isometric exercise (meaning it contracts muscles while not moving them ... Keep your pelvis tucked under, lower back against the wall, and ...