Dumbbell spider curls place your muscles fully in a peak contracted position. At the top of the exercise, your muscles experience maximum resistance because they are most perpendicular to gravity, ...

Spieth is making his first start since August at the FedEx St. Jude Championship after undergoing surgery on his left wrist to repair a ruptured tendon sheath ... up to his mid bicep.

Philadelphia 76ers forward Paul George has an injury to the extensor tendon on his left pinkie finger, the team announced shortly before Tuesday night's home game against the Los Angeles Lakers.

The lats are the primary muscles pulling your arms down and toward your body. Biceps brachii: located on the front of your upper arm, they help in bending your elbows to pull your body upward.

The key players: concentric, eccentric, and isometric muscle contractions ... during a classic biceps curl. The concentric phase of the movement is when your biceps brachii are fighting (and ...