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Chapter
11
The Muscular
System:
Appendicular
Musculature
PowerPoint® Lecture Slides
prepared by Agnes Yard and
Michael Yard
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Copyright © 2008 Pearson Education, Inc.,
publishing as Pearson Benjamin Cummings
The iliac crest and lateral surface of the anterior
superior iliac spine are the sites of origin for which
muscle?
a. gluteus maximus
b. gluteus minimus
c. tensor fascia latae
d. gluteus medius
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which muscle originates along the entire length of the
linea aspera of the femur, partially inserts into the
patella, and acts as a knee extensor?
a. vastus medialis
b. vastus intermedius
c. vastus lateralis
d. rectus femoris
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Adduction and downward rotation of the scapula is the
action of which of the following muscles?
a. rhomboid minor
b. serratus anterior
c. rhomboid major
d. a and c
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following muscles adducts the fingers at
the metacarpophalangeal joints?
a. adductor pollicis muscle
b. palmar interossei muscle
c. opponens pollicis muscle
d. dorsal interossei muscle
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following muscles is located in the
posterior compartment of the arm?
a. brachialis
b. triceps brachii
c. brachioradialis
d. coracobrachialis
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following is not a muscle that positions the
pectoral girdle?
a. subscapularis
b. pectoralis minor
c. serratus anterior
d. subclavius
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following muscles is a medial rotator of
the tibia?
a. sartorius
b. semimembranosus
c. biceps femoris
d. popliteus
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which intrinsic muscle of the hand originates on the
pisiform, and inserts at the proximal phalanx of the
fifth digit?
a. abductor pollicis brevis
b. abductor digiti minimi
c. flexor digiti minimi brevis
d. opponens digiti minimi
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following intrinsic foot muscles has its
origin on the cuboid and lateral cuneiform tarsal
bones?
a. adductor hallucis
b. abductor hallucis
c. flexor hallucis brevis
d. flexor digiti minimi brevis
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which muscle inserts on the radial tuberosity of the
radius?
a. brachialis
b. biceps brachii
c. brachioradialis
d. anconeus
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
The obturator externus muscle produces which type(s)
of movement?
a. lateral rotation at the hip joint
b. medial rotation at the hip joint
c. hip extension
d. b and c
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following statements regarding the tibialis
posterior muscle is incorrect?
a. Its origin is on the interosseous membrane and
adjacent shafts of the tibia and fibula.
b. It facilitates inversion of the foot, and is innervated by
the tibial branch (S1–S2) of the sciatic nerve.
c. It inserts into the navicular, all three cuneiforms, the
cuboid, and the second, third, and fourth metatarsal
bones.
d. It facilitates plantar flexion at the ankle, and is
innervated by the tibial nerve (L4–S1).
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
The obturator nerve innervates which compartment of
the lower limb?
a. anterior compartment
b. posterior compartment
c. medial compartment
d. b and c
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
The fascia of the forearm thickens on the posterior
surface of the wrist to form a wide band of connective
tissue known as:
a. flexor retinaculum
b. extensor aponeurosis
c. extensor retinaculum
d. palmar aponeurosis
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which muscle does not insert on the vertebral border of
the scapula?
a. levator scapulae
b. pectoralis minor
c. rhomboid major
d. serratus anterior
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which muscle is innervated by special nerves from the
sacral plexus (L5–S2)?
a. quadratus femoris
b. obturator externus
c. obturator internus
d. all of the above
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following muscles does not act to flex the
elbow?
a. anconeus
b. biceps brachii
c. brachialis
d. brachioradialis
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
The rectus femoris muscle, a knee extensor, is
innervated by which nerve?
a. tibial nerve
b. sciatic nerve
c. deep fibular nerve
d. femoral nerve
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which nerve(s) innervate(s) the superficial anterior
compartment of the forearm?
a. median nerve
b. ulnar nerve
c. radial nerve
d. a and b
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
The anterior superior iliac spine is the site of origin of
which muscle?
a. semitendinosus
b. semimembranosus
c. sartorius
d. popliteus
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Regarding movement of the forearm, at which point
are we the strongest?
a. when flexing the elbow with the forearm
pronated
b. when flexing the elbow with the forearm
supinated
c. when extending the elbow with the forearm
pronated
d. when extending the elbow with the forearm
supinated
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following statements regarding actions of
muscles that move the arm is false?
a. The infraspinatus muscle acts in lateral
shoulder rotation.
b. The subscapularis muscle acts in medial
shoulder rotation.
c. The teres major muscle acts in extension
and lateral rotation at the shoulder.
d. The teres minor muscle acts in lateral
rotation and adduction at the shoulder.
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following is not a function of the plantar
interossei muscle?
a. extension at interphalangeal joints
b. adduction of metatarsophalangeal joints of
digits 2–5 of the foot
c. flexion of metatarsophalangeal joints
d. All of the above are functions of the plantar
interossei muscle.
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
The lateral circumflex femoral artery supplies which of
the following lower limb compartments?
a. posterior compartment of the thigh
b. medial compartment of the thigh
c. anterior compartment of the thigh
d. all of the above
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings
Which of the following muscles inserts on the linea
aspera and the adductor tubercle of the femur?
a. adductor magnus
b. adductor brevis
c. adductor longus
d. all of the above
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings