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The sartorius is one of the fleshy landmarks of the thigh, as the biceps is of the arm, and the sterno-cleido-mastoid of the neck. Its direction and borders may be easily traced by raising the leg, a movement which puts the muscle in action. If the model be directed to stand on tiptoe, both of the large muscles of the calf, the gastrocnemius and soleus, can be distinguished.

Easily seen and felt under the skin in thin persons, on turning the head to one side, is the sterno-cleido-mastoid muscle, which passes obliquely down on each side of the neck to the collar bone prominent in sculpture and painting. The chest is supplied with numerous muscles which move the ribs up and down in the act of breathing.

With the head slightly bent forwards, grasp between the fingers of the right hand the edge of the left sterno-cleido-mastoid, just above the collar bone. Raise the head and turn it from left to right, and the action of this important muscle is readily seen and felt. In some persons it stands out in bold relief. Experiment 28.

I told her that nobody ever came in when I worked, and I asked to see her neck immediately. Oh, that neck! I clapped my hands with joy when I saw it. It was long, emaciated, terrible. The bones literally stood out almost bare of flesh; the sterno-cleido-mastoid was remarkable it was just what I wanted. I went up to her and gently bared her shoulder. What a treasure I had found!

Braman describes the case of a man on whom several injuries were inflicted by a drunken companion. The first wound was slight; the second a deep flesh-wound over the trapezius muscle; the third extended from the right sterno-cleido-mastoid midway upward to the middle of the jaw and down to the rapine of the trachea. The external jugular, the external thyroid, and the facial arteries were severed.