Test 3 Flashcards
Deltoid Anterior Actions
Abduction
flexion
hoad
internal rotation
origin: anterior clavicle
insertion: humerus
Deltoid middle actions
abduction
origin: acromion
insertion: humerus
Deltoid posterior actions
abduction
extension
hoab
outward rotation
origin: scapula
insertion: humerus
supraspinatus actions
abduction
small, not powerful
infraspinatus/teres minor actions
outward rotation
hoab
extension
throws
teres major actions
internal rotation
extension
adduciton
hoab
origin: posterior scapula
insertion: posterior humerus
*lat buddy* rows and throws
latissimus dorsi actions
extension
internal rotation
hoab
adduction
origin: ilium/sacrum/lumbar
insertion: humerus
large; pull, row, chin up.
*teres major buddy*
pectoralis major actions
internal rotation
hoad
flexion
adduction
origin: clavicle
insertion: humerus
AM stretch
*anterior delt buddy*
muscles of the shoulder girdle
trapezius
rhomboid
serratus anterior
pectoralis minor
biceps brachii actions
flexion
supination
brachialis actions
flexion
brachioradialis actions
flexion
pronation
supination
triceps brachii actions
extension
pronator teres/pronator quadratus actions
pronation
supinator actions
supination
flexor digitorum profundus
flexion
extensor digitorum actions
extension
trapezius actions
elevation
adduction
upward rotation
origin: base of skull/neck
insertion: clavicle/scapula
rhomboid actions
elevation
downard rotation
adduction
origin: spine
insertion: scapula
serratus anterior actions
upward rotation
abduction
origin: upper 9 ribs
insertion: anterior aspect of medial scapula
pectoralis minor actions
downward rotation
abduction
origin: anterior third to fifth ribs
insertion: coracoid process of scapula
rotator cuff muscles
supraspinaus- abduction
teres minor- outward rotation
infraspinatus- outward rotation
subscapularus- internal rotation
Agonist and Antagonist
Agonist: muscle doing the movement
Antagonist: opposite muscle of the Agonist
Triaxial joint
3 planes of axis
ball and socket
ex: glenohumerol
