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26 Cards in this Set

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The point at which a muscle's tendon attaches to the more stationary bone.
The point at which a muscle's tendon attaches to the more moveable bone.
The largest part of the muscle, which actually contains the muscle cells.
The process of chewing
Extrinsic Hand Muscles
Muscles of the forearm that create movement in the hands
Intrinsic Hand Muscles
Muscles in the hand that produce movement in the hand
Several muscles work together to laterally rotate the thigh. What do we call an entire group of muscles that work together?
One of the jobs of the flexor digitorum superficialis is to flex the wrist. When working in this fashion, does this muscle form a first-class lever, a second-class lever, or a third-class lever?

In this situation, we have a second-class lever. Look at the flexor digitorum superficialis. The tendons attach near the ends of the fingers. When it flexes the hand, the weight it lifts is mostly the palm of the hand. The wrist is the fulcrum, and the resistance is between the effort and the fulcrum.

a. frontalis
b. occipitalis
c. sternocleidomastoid
d. posterior triangle
e. trapezius
f. orbicularis oculi
g. zygomaticus minor
h. zygomaticus major
i. masseter
j. orbicularis oris
k. platysma
l. temporalis
m. buccinator
n. lateral pterygoid
o. medial pterygoid

Of the muscles labeled above, which are involved in mastication?

Temporalis, masseter, lateral pterygoid, medial pterygoid

Name the "kissing muscle."
Orbicularis oris

a. pectoralis minor
b. external oblique
c. internal oblique
d. transverse abdominis
e. deltoid
f. pectoralis major
g. linea alba
h. rectus abdominis

Which structure above is not a muscle?

The linea alba is not a muscle, it is a band of connective tissue that binds all of the abdominal muscles

Which of the muscles above act on the arm?

The deltoid and pectoralis major muscle move the arm.

Which of the muscles in the figure move the vertebral column?

The rectus abdominis, external oblique, and internal oblique muscles move the vertebral column.

a. trapezius
b. deltoid
c. latissimus dorsi
d. rhomboideus minor
e. rhomboideus major
f. levator scapulae
g. supraspinatus
h. infraspinatus
i. teres minor
j. teres major
k. subscapularis
l. biceps brachii

a. biceps brachii
b. supinator
c. brachioradialis
d. pronator teres
e. flexor carpi radialis
f. triceps brachii
g. extensor carpi ulnaris
h. extensor carpi radialis longus
i. extensor carpi radialis brevis
j. extensor digitorum
k. extensor retinaculum

Which of the structures in the figure above is not a muscle? What is its job?

The extensor retinaculum is not a muscle--its job is to secure the extensor tendons so that they do not "bow out" when the muscles contract.

What is the difference between extrinsic and intrinsic hand muscles?

Extrinsic hand muscles are muscles in the forearm that create movement in the hands, while intrinsic hand muscles are muscles in the hand that produce movement in the hand.

a. gluteus medius
b. biceps femoris
c. vastus lateralis
d. gluteus maximus
e. adductor magnus
f. semimembranosus
g. semitendinosus
h. psoas major
i. iliacus
j. sartorius
k. rectus femoris
l. gracilis
m. adductor longus
n. vastus medialis

List all the muscles that are involved in flexing the thigh. List their antagonists.

The thigh flexors are the tensor fasciae latae, rectus femoris, sartorius, iliacus, psoas major, and adductor longus. The antagonists are the extensors: gluteus maximus, semitendinosus, semimembranosus, biceps femoris, and adductor magnus.

List all of the muscles that are involved in abducting the thigh. List their antagonists.

The abductors of the thigh are the gluteus maximus, gluteus medius, gluteus minimus, and tenor fasiae latae. Their antagonists are the adductors--the adductor longus, the adductor magnus, and the gracilis.

There are two muscles that flex the forearm. List them. List their antagonist.

The biceps brachii and the brachioradialis flex the forearm. Their antagonist is the triceps brachii.

There are two supinators of the forearm at the elbow. List them. List their two antagonists.

The two supinators of the forearm are the supinator and the biceps brachii. Their antagonists, pronators, are the pronator teres and the pronator quadratus.

a. gastrocnemius
b. soleus
c. calcaneal tendon
d. flexor digitorum longus
e. peroneus longus
f. tibialis anterior
g. extensor digitorum longus
h. extensor retinacula
i. patellar ligament

Which of the structures in the figure above are not muscles?

The extensor retinacula, calcaneal tendon, and the patellar ligament.