If you’re working on developing long lean muscles to flaunt at the beach, it’s time to learn yoga arm balances. Arm balances are an incredible way to achieve ridiculous definition in your upper limbs. From the inside out, they activate the deeper large muscles closer to the bone, as well as the tiny superficial muscles on top. Although weights are great for toned arms, yoga postures work especially well because they require isometric contraction of the muscles, which is key for contour. When muscles contract isometrically, they don’t push or pull, bend or extend, but simply squeeze inward towards the bone. To build strength before you dive into your arm balances, I recommend you master the following poses: To read more click here!