Muscles: Arm, Forearm and Hand

biceps brachii

0

brachialis

0

coracobrachialis

0

triceps brachii

0

brachioradialis

0

anterior compartment

compartment on front side of forearm

posterior compartment

compartment on back side of forearm

thenar muscles

0

hypothenar muscles

0

palmer interossei

0

dorsal interossei

0

biceps brachii

flexes shoulder and elbow, supinates arm

brachialis

flexes elbow

coracobrachialis

adducts and flexes shoulder

triceps brachii

extends shoulder and elbow

brachioradialis

flexes elbow

anterior compartment

pronates forearm, flexes wrist and fingers

posterior compartment

supinates forearm, extends wrist and fingers

thenar muscles

abducts, adducts, flexes and opposes thumb

hypothenar muscles

abducts, adducts and flexes pinky

palmer interossei

adducts fingers

dorsal interossei

abducts fingers

dorsal interossei

of the hand, which muscles abducts the fingers?

flexes shoulder and elbow, supinates forearm

action of biceps brachii

flexes elbow

action of brachialis

adducts shoulder, flexes shoulder

action of coracobrachialis

extends shoulder and elbow

action of triceps brachii

flexes elbow

action of brachioradialis

pronates forearm, flexes wrist and fingers

action of anterior compartment

supinates forearm, extends wrist and fingers

action of posterior compartment

abduct, adduct, flexes and opposes thumb

action of thenar muscles

abduct, flexes and opposes pinky

action of hypothenar muscles

adducts fingers

action of palmer interossei

abducts fingers

action of dorsal interossei

a. and b.

which muscles flexes the elbow only?a. brachilaisb. brachioradialisc. triceps brachiid. coracobrachialis

abducts, adducts, flexes and opposes thumb

name the action of this muscle

false; abducts

True or False: hypothenar muscles adduct, flex and oppose the pinky

palmer interossei

which muscles (palmer/dorsal interossei) adducts fingers?

dorsal interossei

which muscles (palmer/dorsal interossei) abducts fingers?

a.

this muscle is innervated by the radial nerve?a. triceps brachiib. brachialisc. coracobrachialisd. anterior compartment

c.

the brachioradialis is innervated by the __________ nervea. musculocutaneous b. ulnarc. radiald. median

a.

three muscles are innervated by the radial nerve: triceps brachii, brachioradilis, and....a. posterior compartmentb. thenar musclesc. brachialisd. biceps brachii

musculocutaneous

nerve that innervates arm muscles (besides triceps brachii)

anterior compartment

this muscle is innervated by both the median and ulnar nerves

thenar muscles

of the hand muscles, which are innervated by the median nerve?

hypothenar muscles, palmer and dorsal interossei

of the hand muscles, which are innervated by the ulnar nerve?