Chapter 4, The Shoulder Girdle

Front 1

what is another name for the shoulder girdle?

Back 1

the scapulothoracic joint

Front 2

the scapula moves along what?

Back 2

the ribcage

Front 3

the majority of the scapulothoracic joint movment occurs where?

Back 3

the SC joint (sternoclavicular)

Front 4

the lesser amount of the joint motion occurs where?

Back 4

the AC joint (acromialclavicular)

Front 5

the SC joint is what type of joint classification?

Back 5

multiaxial/arthrodic

Front 6

The SC joint has support from what ligaments?

Back 6

the anterior/posterior SC ligament

Front 7

what ligaments provide stability against superior displacement?

Back 7

costoclavicular and interclavicular ligaments

Front 8

The AC joint is what type of joint classification?

Back 8

arthrodial

Front 9

what type of motion occurs in the AC joint?

Back 9

total gliding and rotational movements

Front 10

the AC joint is often injured. T/F?

Back 10

true

Front 11

the scapulothoracic joint is a true synovial joint. T/F?

Back 11

false

Front 12

this joint as a whole dpends on what?

Back 12

the SC and the AC joints which allow the scapula to move

Front 13

the scapulothoracic joint is dynamically supported by what?

Back 13

its muscles with ligamentous support

Front 14

scapula movements are primarily focused on what bony features?

Back 14

inferior angle, glenoid fossa, and the acromion process

Front 15

shoulder girdle movements equal what?

Back 15

scapula movements

Front 16

in terms of the scapula, what is another name for abduction?

Back 16

protraction

Front 17

what is protraction?

Back 17

the scapula moving laterally away from the cpine

Front 18

in terms of the scapula, what is adduction?

Back 18

retraction which is moving the scapula medially toward the spine

Front 19

what is downward rotation?

Back 19

returning the infer. angle inferiomedially towards the spine and the glenoid fossa to normal position

Front 20

what is upward rotation?

Back 20

turning the glenoid fossa upwards and moving inferior angle superiolaterally away from the spine

Front 21

in terms of the scapula, what is depression?

Back 21

downward or inferior movement, or returning to normal position

Front 22

what is elevation?

Back 22

upward or super movement as a shoulder shrugg

Front 23

the shoulder girdle movement is not dependent upon the shoulder joint and its muscles. T/F?

Back 23

true

Front 24

ab- and ad- duction occur in what plane?

Back 24

the frontal plane

Front 25

shoulder girdle muscles stabilize the scapula so the shoulder joint muscles will have a stable base in which to exert force for humeral movement. T/F?

Back 25

true

Front 26

shoulder girdle muscles contract to maintain scapula in a relativley static position during shoulder joint actions. T/F?

Back 26

true

Front 27

shoulder girdle muscles enhance extreme ranges of motions and all upper extremity movements. T/F?

Back 27

true

Front 28

during some scapulothoracic movements, rotation or ____ must occur?

Back 28

tilt

Front 29

what is lateral tilt?

Back 29

it is outward tilt that occurs during abduction.

Front 30

hegira

Back 30

exodus or migration; Muhammad's departure from Mecca to Medina

Front 31

what is medial tilt?

Back 31

return from lateral tilt or inward tilt, extreme adduction

Front 32

what kind of motions are involved in lateral tilt?

Back 32

the scapula rotates about its vertical axis resulting in anterior movement of medial border posterior movement of the lateral border

Front 33

what plane does lateral and medial tilt occur in?

Back 33

the transverse plane

Front 34

anterior tilt is also known as what?

Back 34

upward tilt

Front 35

what occurs in anterior tilt?

Back 35

-rotational mov't of the scapula about frontal axis occuring in GH hyperextension
-superior border moves anterioiferiorly and inf. angle moves posterosuperioly

Front 36

posterior tilt is also called?

Back 36

downward tilt

Front 37

what motion occurs in post. tilt?

Back 37

-rotational mov't of scapula abt frontal axis occuring during GH hyperflexion
-superior border moves posterioiferiorly and inf. angle moves anteriosuperiorly

Front 38

all tilts help the GH joint to be ?

Back 38

normal

Front 39

if the scapula cannot move, humerus cannot ____ or ____ at what necessary ROM?

Back 39

90 degrees

Front 40

there is what with muscles with the GH joint muscles?

Back 40

synergy

Front 41

all shoulder girdle movements are in which majority plane?

Back 41

frontal

Front 42

how many muscles are primarily involved in shoulder girdle movements?

Back 42

5

Front 43

the muscles that are responsile for scapulothoracic joint movement attach to the humerus and cause shoulder joint actions. T/F?

Back 43

false

Front 44

the 5 muscles are responsible for what?

Back 44

providing dynamic stability of the scapula so it can serve as a relative base of support for shoulder activities like throwing, batting, and blocking.

Front 45

what are the 5 primary scapulothoracic muscles?

Back 45

trapezius, rhomboids, levator scapula, serratus anterior, and the pec minor.

Front 46

serratus anterior is on what side of the ribcage?

Back 46

anterior

Front 47

serratus anterior completes what motions for the scapula?

Back 47

abduction and upward rotation

Front 48

serratus anterior are located where?

Back 48

posterior and laterally

Front 49

pec minor is responsible for what actions?

Back 49

abduction, downwar rotation, and depression

Front 50

the subclavius is responsible for what actions?

Back 50

depression

Front 51

the trapezius have how many sets of fibers and what are they?

Back 51

upper, middle, and lower fibers, 3 sets

Front 52

upper fibers of the trapezius do what?

Back 52

elevation and extension of the head

Front 53

middle fibers of the trapezius do what?

Back 53

elevation, adduction, and upper rotation

Front 54

lower fibers of the trapezius do what?

Back 54

adduction, depression, and upper rotation

Front 55

what is more posterior, rhomboids, or trapezius?

Back 55

trapezius, rhomboids are deeper so they lay more anteriorly

Front 56

rhomboids do what actions?

Back 56

adduction, depression, and upper rotation

Front 57

levator scapulae does what?

Back 57

elevation

Front 58

origin is a ____ attachment?

Back 58

proximal

Front 59

attachment is ____?

Back 59

distal

Front 60

which ever way the head turns, which side of the trap is worked? the oposite or the same side that is turning?

Back 60

which ever way the head turns, the opposite side will contract

Front 61

action of the synergist muscles that cause the one motion we want is called ???

Back 61

aggregate muscle action

Front 62

abduction of the pec minor does what?

Back 62

draws the scapula forward and tends to tilt lower border away from the ribs.

Front 63

downward rotation of the pec minor does what?

Back 63

as it abducts it draws the scapula downward

Front 64

depression of the scaoula does what?

Back 64

it assists in depression.

Front 65

what does the subclavious muscle do?

Back 65

stabilizes and protects the sternoclavicular joint, depresses, and abducts.

Front 66

in scapula abduction, the scapula move laterally away from the spine w/out rotation. T/F?

Back 66

true

Front 67

scapula adduction occurs with retractions, T/F?

Back 67

true

Front 68

what are two agonists of scapula adduction?

Back 68

middle trapezius, and rhomboids

Front 69

what are two examples of scapula abduction?

Back 69

pushup portion of a push up and bench press

Front 70

name two agonists of scapula abduction?

Back 70

pec minor, serratus ant.

Front 71

what directions does scapula upward rotation go in?

Back 71

laterally and upwards

Front 72

name 3 agonists for scapula upward rotation?

Back 72

middle trap, lower trap, serratus ant.

Front 73

what directions does scapula downward rotation go in?

Back 73

downward and medially

Front 74

explain downward rotation.

Back 74

glenoid fossa is rotated downward when downward mov't of shoulder joint occurs

Front 75

what is an example of dwnward rotation?

Back 75

lat pulldowns

Front 76

name the agonists for dwnward rotation?

Back 76

pec minor and rhomboids

Front 77

what is scapula elavation?

Back 77

lifting the scapula w/out rotating in anatomical position

Front 78

example of scap. ele.?

Back 78

shrugs

Front 79

agonists of scap elev.?

Back 79

rhomboids, levator sca, upper trap

Front 80

what is an example of scapula depression?

Back 80

the press up motion of a dip

Front 81

what are the agonists of scapula depression?

Back 81

lower trap, pec minor