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pectoralis major
Action: flexes, medially rotates, and adducts shoulder.
TERM 2
pectoralis minor
DEFINITION 2
Action: stabilizes scapula.
TERM 3
serratus
anterior
DEFINITION 3
Action: stabilizes scapula. Nerve Supply: long thoracic nerve
TERM 4
deltoid
DEFINITION 4
Action: abducts, flexes, and extends the shoulder. Nerve
Supply: axillary nerve.
TERM 5
trapezius
DEFINITION 5
Action: elevates and retracts scapula. Nerve Supply:
accessory nerve (CN XI).
levator scapulae
Action: elevates and retracts scapula.
TERM 7
rhomboids
DEFINITION 7
Action: retract scapula.
TERM 8
subscapularis
DEFINITION 8
Action: medially rotates shoulder
TERM 9
supraspinatus
DEFINITION 9
Action: abduction of shoulder.
TERM 10
infraspinatus
DEFINITION 10
Action: laterally rotates shoulder.
coracobrachialis
Action: flexes shoulder. Nerve Supply: musculocutaneous
nerve.
TERM 17
triceps brachii
DEFINITION 17
Action: extends shoulder and elbow. Nerve Supply: radial
nerve.
TERM 18
brachioradialis
DEFINITION 18
Action: flexes elbow. Nerve Supply: radial nerve.
TERM 19
anterior compartment
DEFINITION 19
Action: pronates forearm, flexes the wrist and fingers. Nerve
Supply: median nerve and ulnar nerve.
TERM 20
posterior compartment
DEFINITION 20
Action: supinates forearm, extends the wrist and fingers.
Nerve Supply: radial nerve.
thenar
muscles
Action: abducts, flexes, adducts, and opposes thumb. Nerve
Supply: median nerve.
TERM 22
hypothenar
muscles
DEFINITION 22
Action: abducts, flexes, and opposes little finger. Nerve
Supply: ulnar nerve.
TERM 23
palmar interossei
DEFINITION 23
Action: adducts fingers. Nerve Supply: ulnar nerve.
TERM 24
dorsal interossei
DEFINITION 24
Action: abducts fingers. Nerve Supply: ulnar nerve.
