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PART 3
Bones and Muscles
Fig. 7.11 Some muscles of the face and neck.
food is the masseter (mah-SEE-ter), Latin for “chewer.” Assisting you in blowing bubbles is the buccinator (BUK-sih-nay-ter), known as the “trumpeter” muscle in the side of the “cheek.” Helping you to nod your head up and down is the sternocleidomastoid (ster-noh-kleye-doh-MASS-toyd) muscle. The tongue-twisting name, sternocleidomastoid, is derived from its points of attachment to the skeleton (Figure 7.12). These are the “sternum” (sterno), the “clavicle” (cleido), and the mastoid (MASS-toyd) process. Mastoid translates to mean “breast” (mast) “resembling” (-oid). [Study suggestion: With your fingertips, palpate for the rounded bottom tip of the mastoid process. It is the bony, breast-like bump you can feel just posterior to your ear.]
Some muscles of the arm and leg We have already mentioned two muscles of the arm: the biceps brachii and the deltoid. Figure 7.13 shows these and more. As you can see, the deltoid “resembles” (-oid) a “triangle” (delt) in shape. The biceps brachii has “two” (bi-) “heads” (ceps) or major divisions with attached tendons. The brachii