BackName the three pennate muscles in the following figure, and for each muscle indicate the type of pennate muscle based on the relationship of muscle fascicles to the tendon.
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a. ___
b. ___
c. ___
d. ___
e. ___
f. ___
The arrangement of muscle fibers in which the fibers are arranged at an angle to a central longitudinal tendon is:
a. Circular
b. Longitudinal
c. Pennate
d. Parallel
Label the three visible muscles of the rotator cuff in the following posterior view of the deep muscles that move the arm.
a. ___
b. ___
c. ___
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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
The prime mover of inspiration is the:
a. Diaphragm
b. Internal intercostals
c. External intercostals
d. Abdominal wall muscles
The arm muscle that both flexes and supinates the forearm is the
a. Brachialis
b. Brachioradialis
c. Biceps brachii
d. Triceps brachii
Which are ways in which muscle names have been derived?
a. Attachments
b. Size
c. Function
d. Location
The chewing muscles that protract the mandible and produce side-to-side grinding movements are the
a. Buccinators
b. Masseters
c. Temporalis
d. Pterygoids
Muscles that depress the hyoid bone and larynx include all but the:
a. Sternohyoid
b. Omohyoid
c. Geniohyoid
d. Sternothyroid
The strongest masticatory muscle is the
(a) Pterygoid
(b) Masseter
(c) Temporalis
(d) Mandible
Intrinsic muscles of the back that promote extension of the spine (or head) include all but:
a. Splenius muscles
b. Semispinalis muscles
c. Scalene muscles
d. Erector spinae
The muscle that rotates the eye medially is the
(a) Superior oblique
(b) Inferior rectus
(c) Medial rectus
(d) Lateral rectus
Several muscles act to move and/or stabilize the scapula. Which of the following are small rectangular muscles that square the shoulders as they act together to retract the scapula?
a. Levator scapulae
b. Rhomboids
c. Serratus anterior
d. Trapezius
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
A prime mover of thigh flexion is the:
a. Rectus femoris
b. Iliopsoas
c. Vastus muscles
d. Gluteus maximus