There’s nothing wrong with having skinny arms - in fact, some people would be thrilled to have them. But if you find yourself thinking “My arms are too skinny,” adding just a little bit of muscle can give them a sleek, defined shape. And if you want to build bigger muscles, you can do that, too, using the same exercises. The only thing you need to change is how you’re organizing your sets and repetitions. Skinny or not, you have two relatively large muscles that give your arms most of their shape: Your biceps brachii on the front of your arm and your triceps brachii on the back of your arm. None of your muscles work in isolation, but each of those muscles has a motion - or motions - that they’re chiefly responsible for, and knowing which muscle does what will help you choose the right exercises to work them.

It also helps with some forearm and shoulder movements. If you’re extending (straightening) your arm at the elbow, your triceps is doing most of the work. It also helps with some shoulder movements. People sometimes default to thinking of the biceps muscle as the only arm muscle they need to work - probably because that’s the only arm muscle you see when you look straight into a mirror. But in order to build truly strong, healthy arm muscles, Titan Rise Review you need to develop balanced strength in both your biceps and your triceps. Don’t worry about choosing exercises like a bodybuilder