![]() ![]() 1 The C4 dermatome covers parts of the neck, shoulders, and upper part of arms. 1 C4 (along with C3 and C5) also helps power the diaphragm-the sheet of muscle that stretches to the bottom of the rib cage for breathing. ![]() C4 helps control upward shoulder movements.See The C1-C2 Vertebrae and Spinal Segment 1 The C2 dermatome handles sensation for the upper part of the head, and the C3 dermatome covers the side of the face and back of the head. C1, C2, and C3 (the first three cervical nerves) help control the head and neck, including movements forward, backward, and to the sides.While innervation can vary from person to person, some common patterns include: For example, the C5 dermatome is supplied by the C5 nerve root.Ĭervical spinal nerves, also called cervical nerves, provide functional control and sensation to different parts of the body based on the spinal level where they branch out from the spinal cord. A dermatome is the area of sensory nerves near the skin that are supplied by a specific spinal nerve root. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |