Deltoid muscle is the main supporting part of arm muscle group during exercise, and it is also a special muscle part. The deltoid muscle is divided into three parts: the front bundle, the middle bundle and the back bundle, and the difficulty coefficient of the back bundle is much higher than that of the front bundle and the back bundle. Therefore, in the process of exercising deltoid muscle, how to exercise the back has become a concern of many bodybuilders.

Shoulder spread of reverse butterfly machine

DVD player is a common fitness equipment in gym. Many people will use disc player to exercise the front and chest muscles of deltoid muscle, but if they use it in reverse, they need the back of deltoid muscle to maintain strength during the process. Therefore, the reverse butterfly machine is a good way to exercise the back of deltoid muscle.

Stand upright and lift horizontally.

Standing side lift refers to the method of bending the upper body forward, keeping the lower body standing, and then lifting it horizontally to both sides with dumbbells. This is a common exercise of the posterior shoulder and deltoid muscle, but it is easy to strain, so we should pay attention to our own situation and avoid excessive exercise.

Barbell neck back pressing

Barbell neck and back pressing is a comprehensive muscle exercise. In this process, not only the back muscles and shoulder muscles participate in the exercise, but also have a strong exercise effect on the deltoid dorsal tract, thus contributing to the exercise of the deltoid dorsal tract and achieving the purpose of exercise.