Exercise 13 Review Sheet : Gross Anatomy of the Muscular System (A&P)

Serratus anterior

moves the scapula forward and rotates scapula upward

extensor digitorium longus

extends the toes

palmaris longus

flat muscle that is a weak hand flexor; tenses the skin of the palm

biceps brachii

flexes and supinates the forearm

Latissimus dorsi Pectoralis major

important in arm adduction ; antagonists of the arm abductor (two muscles)

....An exception to this generalization is the extensor-flexor musculature of the ____.

knee

fibularis brevis fibularis longus

lateral compartment muscles that plantar flex and evert the foot (two muscles)

extensor carpi ulnaris

location of muscle relative to bone or body region action of the muscle location of origin and/or insertion of the muscle

rectus femoris

location of muscle relative to bone or body region direction in which the muscle fibers run relative to some imaginary line

The bulk of the tissue of a muscle tends to lie ____ to the part of the body it causes to move.

mediala proximal

Orbicularis oris

your kissing muscle

trapezius

shape of the muscle

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Human Anatomy & Physiology Laboratory Manual, Main Version / Edition 11 (CREATED NOV. 2017)

Rectus abdominus

a major flexor of the vertebral column

gluteus medius tensor fasciae latae

abduct the thigh to take the "at ease" stance (two muscles)

adductor magnus

action of the muscle relative size of the muscle

adductor group

adduct the thigh, as when standing at attention

Most flexor muscles are located on the ____ aspect of the body....

anterior

External oblique Internal oblique Rectus abdominus

assume major responsibility for forming the abdominal girdle (three pairs of muscles)

The triceps surae insert in common into the ____ tendon.

calcanal

biceps femoris semimembranosus semitendinosus

extend the thigh and flex leg (three muscles)

extensor carpi radialis longus

extends and abducts the hand

The ____ , ____ , ____ , and ____ are commonly used for intramuscular injections (four muscles).

deltoid vastus lateralis gluteus medius gluteus maximus

biceps femoris

number of origins location of muscle relative to bone or body region

....Most extensors are located ____....

posteria

gastrocnemius soleus

posterior compartment muscles that plantar flex the foot (two muscles)

flexor carpi radialis

power flexor and abductor of the hand

Deltoid (cut)

prime mover for arm extension

Pectoralis major

prime mover for arm flexion

Deltoid (cut)

prime mover of arm abduction

tibialis anterior

prime mover of dorsiflexion of the foot

tibialis posterior

prime mover of inversion of the foot

Masseter

prime mover of jaw closure

pronator quadratus pronator teres

pronate the forearm (two muscles)

External intercostals

small, inspiratory muscles between the ribs; elevate the rib cage

supinator

synergist for supination of forearm

transversus abdominus

location of muscle relative to bone or body region direction in which the muscle fibers run relative to some imaginary line

external oblique

location of muscle relative to bone or body region relative size of the muscle

gluteus maximus

location of muscle relative to bone or body region relative size of the muscle

extensor digitorium

extends the hands and digits

Trapezius

extends the head

rectus femoris

extends the leg and flexes thigh

flexor digitorium superficialis

flexes hand and middle phalanges

flexor hallucis longus

flexes the great toe and inverts the foot

flexor pollicis longus

flexes the thumb

The extrinsic muscles of the hand originate on the ____.

forearm

triceps brachii

forearm extensor

brachialis brachioradialis

forearm flexors; no role in supination (two muscles)

Rhomboids

pull the scapulae medially

The insertion tendon of the ____ group contains a large sesamoid bone, the petella.

quadriceps

Epicranius (frontal belly)

raises your eyebrows for a questioning expression

Platysma

tenses skin of the neck during shaving

Prime mover (agonist)

term for the biceps brachii during forearm flexion

Prime mover (agonist)

term for the gluteus maximus during thigh extension when walking up stairs

Antagonist

term for the iliopsoas during thigh extension

Fixator

term for the rotator cuff muscles and deltoid when the forearm is flexed and the hand grabs a tabletop to lift the table

Antagonist

term for the triceps brachii during forearm flexion

Synergist

term that describes the relation of brachioradialis to biceps brachii during forearm flexion

Orbicularis oculi

used in blinking and squinting

Zygomaticus major and minor

used in smiling

gluteus maximus

used to extend the thigh when climbing stairs

Corrugator supercilii

used to form the vertical frown crease on the forehead

Depressor anguli oris

used to pout (pulls the corners of the mouth)

Buccinator

used to suck in your cheeks