Pain in your left arm can have many different causes, from injuries and muscle strain to a pinched nerve or sprain. In some ...

Perform the bicep curl, but with one arm at a time instead of curling both weights up together. Curl the right arm up first, then lower it down. Then curl the left arm up and lower it down.

Clicking on this article is your first rep towards building bigger biceps, triceps and forearms. Each of these arm exercises hits maximum muscle fibres to spark the growth you're after and proves ...