The trapezius muscles are the muscles on the dorsal surface that are shaped like a trapezpoid.
Sternocleidomastoid muscles
Gastrocnemius
Dorsal rhizotomy-- A surgical procedure that cuts nerve roots to reduce spasticity in affected muscles.
The acromiotrapezius, spinotrapezius, latissimus dorsi, and spinodeltoid are four major superficial muscles of the shoulder and dorsal thoracic areas.
The pectoralis major I believe
dorsal ramus
Skin and deep muscles of the back.
Gastrocnemius and Soleus with leg straight, to isolate gastrocnemius bend knee.
the dorsal vessel
The triceps is the muscles that allows the human beings to raise their arms laterally. By doing this it allows the humerus clear.
Superior rectus