In fact, there are many muscles on the arm. When exercising, the arm muscles are mainly aimed at the biceps brachii and triceps brachii, which can effectively exercise the forearm muscles.

Among them, the biceps brachii has two heads, the medial head and the lateral head;

Triceps brachii: * * There are three heads, a long head, a medial head and a lateral head.

Principle of arm muscle exercise: Biceps exercise includes all kinds of bending and lifting movements, and triceps exercise includes all kinds of arm flexion and extension movements.

When exercising, attention should decrease, that is, after each group is exhausted, reduce the weight, reduce the number of exercises, and repeat the exhausted feeling of the next group.

This can continuously stimulate muscles and minimize fatigue.