10. Muscles

The thick, bandlike muscle of mastication that covers much of the ramus of the mandible is the:

a. masseter muscle.

b. temporalis muscle.

c. lateral pterygoid muscle.

d. risorius muscle.

Important flexors of the vertebral column that act in opposition to the erector spinae are the

(a) Rectus abdominis

(b) Longus capitis

(c) Longus colli

(d) Scalene

List the four patterns of fascicle arrangement used to classify the different types of skeletal muscles.

Match the term with its description:

_____Brevis     

_____Digitorum     

_____Hallucis     

_____Rectus     

_____Flexor      

_____Pronator

a. Related to the fingers/toes

b. Straight

c. Short

d. Decreases the angle between bones

e. Turns palm down

f. Related to the hallux (great toe)

Mark the following statements as true or false. If the statement is false, correct it to make a true statement.

The temporalis and occipitalis muscles are attached to each other by the epicranial aponeurosis.

Mark the following statements as true or false. If the statement is false, correct it to make a true statement.

The orbicularis oris muscle is located around the eye.

Match the muscle names in column B to the facial muscles described in column A.

Column A 

______ (1) squints the eyes 

______ (2) raises the eyebrows 

______ (3) smiling muscle 

______ (4) puckers the lips 

______ (5) pulls the scalp posteriorly

Column B

a. corrugator supercilii

b. depressor anguli oris

c. frontal belly of epicranius

d. occipital belly of epicranius

e. orbicularis oculi

f. orbicularis oris

g. zygomaticus

Based on the name, how does the fibularis brevis compare to the fibularis longus?