The biceps brachii muscle is located on the anterior side of the upper arm, and the whole muscle has a pike shape. The biceps belongs to the quadriceps muscle of the three major groups of skeletal muscles and is named for its long and short heads. When the arm is flexed, the pike-shaped muscle that bulges out between the shoulder joint and the inside of the elbow joint is the biceps brachii. The biceps muscle has the function of flexing the shoulder, flexing the elbow and rotating the forearm back. When the biceps contracts, it flexes the elbow, and when it diastoles, it extends the elbow or drops the forearm. In daily life, the biceps can be exercised through dumbbell curl, barbell curl and other methods, but in the process of exercising the brachialis, care needs to be taken to avoid excessive movement and uncoordinated movement, so as not to cause biceps injury and rupture. At the same time, exercise biceps should also pay attention to its antagonist muscle, triceps exercise, the muscle balance of these two muscles is a healthy state. In addition, it is important to exercise the biceps in a measured way to avoid causing injury and affecting your health.