The muscles connecting the shoulders to the neck are categorized from superficial to deep into the trapezius, scapularis, and rhomboid muscles. 1. Obliques: superficial muscles of the upper and middle back of the human body, located in the neck and back of the subcutaneous, triangular on one side, the left and right sides of the synthetic rhomboid. It is mainly used to assist the movement of scapula and head, which can accomplish the movement of scapula upward, downward pressure, external rotation and internal retraction, and assist the head to carry out the movement of backward tilt, lateral flexion and rotation. 2. Scapular Tibialis: Located on both sides of the neck, the muscle is located in the upper part of the deep side of the sternocleidomastoid muscle, and the lower part is located in the deep side of the trapezius muscle, which is a pair of band-like long muscles. It is a pair of long band-shaped muscles. It has the effect of lifting up the shoulder bone and making the shoulder bone rotate under the shoulder bone, and it is a muscle with a heavy burden on the cervical vertebrae. 3. rhomboid muscle: rhomboid muscle is a deep muscle in the back of the human body, the surface layer is covered by the trapezius muscle. It is used to pull the shoulder blade to move inward and upward, lifting and rotating the shoulder blade. If the muscles connecting the shoulders to the neck are painful, it is recommended to visit a hospital in time for targeted treatment under the guidance of a doctor.