Muscles of the pectoral girdle and upper limbs are organized into all of the following groupsexcept
B) intrinsic muscles of the forearm
Which muscle is the prime mover in protraction of the scapula?
B) serratus anterior
Which muscle extends, adducts, and medially rotates the arm?
C) latissimus dorsi
In terms of adduction and abduction of the arm, which muscle opposes the pectoralis major and latissimus dorsi?
C) deltoid
The ____________ assists the subscapularis in medial rotation of the arm.
A) teres major
All of the following are rotator cuff muscles except the
B) teres major
Of all the scapular muscles, the only one that flexes and adducts the arm is the
A) coracobrachialis
Which muscle is the prime mover in extension of the elbow?
D) triceps brachii
Which action is performed my most muscles in the posterior compartment of the forearm?
D) extension
Most of the forearm muscles in the anterior compartment originate on the
A) medial epicondyle of the humerus
Which of these muscles does not move the wrist?
D) abductor pollicis brevis
Muscles of the pelvic girdle and lower limbs are grouped by all of the following criteria except
D) muscles that move the pelvic girdle
The tensor fasciae latae
D) all of the above
Which muscle extends and laterally rotates the thigh?
C) gluteus maximus
Both the gluteus minimus and the gluteus medius abduct and ____________ the thigh at the hip joint.
A) medially rotate
What is the sole action of all five deep muscles of the gluteal region?
A) lateral rotation of the thigh
Which thigh adductor has an origin on the ischial tuberosity?
A) adductor magnus
The anterior thigh muscles that extend the leg are collectively called the
C) quadriceps femoris
The ____________ all insert on the tibial tuberosity (by way of the patella).
A) extensors of the knee joint
All of the hamstring muscles work together in which actions?
C) extending the thigh and flexing the leg
The only quadriceps muscle that moves both the hip and knee joints is the
C) rectus femoris
Which muscle performs most of the actions required to cross one’s legs?
A) sartorius
The posterior muscles of the leg
C) plantar flex the foot and flex the toes
Which superficial leg muscle has two bellies that compose the calf?
A) gastrocnemius
The tibialis anterior opposes the soleus by performing which action?
B) dorsiflexion
The tibialis anterior and tibialis posterior act synergistically to ____________ the foot.
D) invert
Which leg muscles work together to evert the foot?
C) fibularis longus and fibularis brevis
How many layers of intrinsic muscles are on the plantar surface of the foot?
B) four
The dorsal interossei ____________ the toes, while the plantar interossei ____________ the toes.
C) abduct; adduct
Muscles with origins on the lateral epicondyle of the humerus
D) all of the above
Except for the deepest layer, the anterior muscles of the antebrachial region
A) originate mostly on the medial epicondyle of the humeru
Which muscle of the upper limb inserts onto specialized areas of deep fascia rather than bone?
B) palmaris longus
Which joint has the most flexors?
B) knee
Which muscles allow you to shrug your shoulders?
D) levator scapulae
Which action is performed by the most muscles at the hip joint?
D) lateral rotation
Of the following, which muscles are antagonists to the subscapularis?
C) infraspinatus and teres minor
All of the following accurately describe movements of the thumb except
B) extension increases the angle between the trapezium and first metacarpal
Which muscle contributes most directly to the careers of boxers?
A) serratus anterior
In the lower limb, hip flexors insert ____________ on the thigh, while knee flexors insert ____________ on the leg.
B) anteriorly; posteriorly
Which muscle has the same actions as the tensor fasciae latae and is a frequent site of intramuscular injections?
C) gluteus medius
Which action is performed by the most muscles at the wrist?
C) extension
The gastrocnemius and soleus are like the psoas major and iliacus in that each pair
C) shares a tendon of insertion and is often regarded as a single muscle
The only muscles that flex both the thigh and the leg are the
D) sartorius and gracilis
What is the only muscle that flexes the thigh and extends the leg?
B) rectus femoris
Of the following, which two muscles are antagonists to different actions of the gluteus maximus?
C) iliopsoas and gluteus minimus
The name of the ____________ indirectly refers to the muscle's role in crossing one's legs.
A) sartorius
Which statement is false regarding the quadriceps tendon and patellar ligament?
D) the two develop separately in the embryo and later join at the patella
The thenar muscles are all innervated by the ____________ nerve; the hypothenar muscles, by the ____________ nerve.
B) median; ulnar
Which muscle is the primary antagonist of the muscles that insert on the calcaneus?
B) tibialis anterior
Because the two heads of the ____________ share a common tendon of insertion with the ____________, these muscles are collectively called the triceps surae.
A) gastrocnemius; soleus
Which muscle pulls obliquely on another muscle's tendons to prevent the toes from flexing at an angle?
A) quadratus plantae
Carpal tunnel syndrome results from compression of either the median nerve or the tendons in the narrow space between the carpal bones and the
D) flexor retinaculum
What causes compartment syndrome?
A) swollen muscles that compress blood vessels in a limb compartment
On the foot as well as the hand, the dorsal interossei ____________ the digits.
B) abduct
Author
dahotstuff30
ID
296444
Card Set
Human Anatomy Chapter 12 Appendicular Muscles
Description
Human Anatomy (McKinley) Chapter 12 Appendicular Muscles McKinley
