Building your biceps muscles means you must challenge your biceps with sufficient intensity to tear, repair, remodel and grow your muscle cells. If you are a beginning weight trainer, 20 pounds will definitely stimulate muscle gains at the front of your arms. Furthermore, changing your biceps ro...
4. It hurts when you straighten your arm only. And when at rest. But NOT when you do a bicep curl or other actions?That's kind of weird. (meaning, not common.)At this point, I'm going with that some part of your muscle(s) is stuck in spasm. As in, you have a killer ...