Because the grip mainly exercises fingers, and the strength of fingers mainly depends on the muscles of forearm, such as extensor dorsi and flexor digitorum, most of which are in forearm, so only by exercising elbow flexion can we exercise biceps brachii.
Proper physical exercise is helpful to the formation of excessive physical exercise, which may cause muscle dissolution. In the process of upgrading, we must pay attention to protein's supplement. The combination of various nutrients is beneficial to the smooth production of muscles. In this case, there is a certain risk of pulling muscles and ligaments when you use any equipment, so you must use relevant equipment scientifically to exercise.