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 ...
Use these five dumbbell exercises to build your back and biceps muscles without a pull-up in sight. Although there are plenty of pull-up variations you can try to suit your current ability ...
To push back up the the original position, you're still squeezing through the chest and the triceps, regardless of the positioning of the hands. Sometimes, though, you need a bodyweight biceps ...