your biceps are in the direct line of the pull so they work extra hard during each rep. Do it properly and watch your biceps and your back grow. Bend your knees and hold the bar with an underhand grip ...
Chin-ups work your upper back and arm muscles, specifically the biceps, forearms, shoulders, and latissimus dorsi, or "lats." Like pull-ups, chin-ups also engage your abdominal muscles throughout ...
A pulled muscle — also known as a muscle strain — occurs when a muscle stretches too much, which causes the muscle fibers or tendons to tear. Pulled muscles commonly occur in the lower back or ...
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 ...
Your tricep muscles contract and pull, while your bicep muscles relax, causing your arm to straighten back out. You can find antagonistic pairs in your legs too. Just extend and curl and see which ...