Mariners rookie second baseman Ryan Bliss will be out for 4-5 months with a torn left biceps muscle, the club announced ...

Bicep pain is felt in the front part of the upper arm and can range from mild discomfort to severe pain. It can result from everyday activities, such as lifting heavy objects or overusing muscles ...

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 ...