UE specific primary structures- shoulder

Question 1

what is the shoulder joint capsule composed of?

Answer 1

it arises from the glenoid fossa and the glenoid labrum to blend with the rotator muscles

Question 2

what ligaments reinforce the shoulder joint capsule?

Answer 2

the glenohumeral ligaments (superior middle and inferior)
coracohumeral ligament

Question 3

the volume shoulder joint capsule is __ as large as the size of the humeral head

Answer 3

twice

Question 4

what is the glenoid labrum of the shoulder?

Answer 4

a fibrocartilaginous structure consisting of dense fibrous connective tissue

Question 5

what is the function of the glenoid labrum of the shoulder?

Answer 5

to deepen the glenoid fossa and increase the size of the articular surface of the shoulder

Question 6

the glenoid labrum is most often damaged with..

Answer 6

recurrent shoulder instability

Question 7

name all the ligaments within the shoulder joint

Answer 7

acromioclavicular ligaments
coracoacromial ligament
coracoclavicular ligament
coracohumeral ligament
costoclavicular ligament
glenohumeral ligaments (superior, middle, inferior)
transverse humeral ligament

Question 8

what structure surrounds the AC joint on all sides and helps to control horizontal movements of the clavicle

Answer 8

the AC ligaments

Question 9

what structure do the AC ligaments reinforce, surrounding it on all sides?

Answer 9

the AC joint

Question 10

what movements do the AC ligaments help to control?

Answer 10

horizontal clavicular movements

Question 11

what ligament attaches between the coracoid process and acromion, forming a ‘roof’ over the humeral head?

Answer 11

the coracoacromial ligament

Question 12

between what structures does the coracoacromial ligament attach? what does it form?

Answer 12

the coracoid process and acromion
a ‘roof’ over the humeral head

Question 13

what movements does the coracoacromial ligament help to limit and/or prevent?

Answer 13

helps to limit superior translation of the humeral head
helps to prevent AC joint separation

Question 14

what ligament attaches between the coracoid process and the clavicle?

Answer 14

the coracoclavicular ligament

Question 15

the coracoclavicular ligament attaches between what two structures?

Answer 15

the coracoid process
the clavicle

Question 16

how many ligaments does the coracoclavicular ligament consist of?

Answer 16

two- the conoid and trapezoid ligaments

Question 17

what is the primary function of the coracoclavicular joint?

Answer 17

acts as the primary support of the AC joint by limiting superior translation of the clavicle

Question 18

what movement does the coracoclavicular ligament limit?

Answer 18

superior translation of the clavicle

Question 19

what ligament attaches proximally to the coracoid process and splits distally to the greater and lesser humeral tuberosities?

Answer 19

the coracohumeral ligament

Question 20

between what structures does the coracohumeral ligament attach?

Answer 20

it attaches proximally on the coracoid process and splits distally to attach to the greater and lesser humeral tuberosities

Question 21

what tendons does the coracohumeral ligament help to unite and also found between?

Answer 21

the supraspinatus and subscapularis tendons

Question 22

what movement does the coracohumeral ligament help to limt?

Answer 22

inferior translation of the humeral head

Question 23

what ligament attaches between the medial portion of the clavicle and first rib?

Answer 23

the costoclavicular ligament

Question 24

between what structures does the costcoclavicular ligament attach?

Answer 24

between the medial border of the clavicle and first rib

Question 25

what is the primary function of the costoclavicular ligament?

Answer 25

to act as the primary supporting ligament for the sternoclavicular joint

Question 26

what ligaments make up the glenohumeral ligaments?

Answer 26

superior glenohumeral ligament middle glenohumeral ligament inferior glenohumeral ligament

Question 27

what movements does the superior glenohumeral ligament limit?

Answer 27

adduction of the shoulder ER with the shoulder in 0-45 deg of abduction

Question 28

what movements does the middle glenohumeral ligament limit?

Answer 28

ER with the shoulder in 45-90 deg abduction

Question 29

what movements does the inferior glenohumeral ligament limit?

Answer 29

ER and IR above 90 degrees of shoulder abduction

Question 30

the inferior glenohumeral ligament is composed of..

Answer 30

an anterior and posterior band

Question 31

the anterior band of the inferior glenohumeral ligament limits what specific motion?

Answer 31

ER above 90 deg shoulder abduction

Question 32

the posterior band of the inferior glenohumeral ligament limits what specific motion?

Answer 32

IR above 90 deg of shoulder abduction

Question 33

what structure sits between the anterior and posterior band of the inferior glenohumeral ligament?

Answer 33

an axillary pouch

Question 34

what movement does the axillary pouch that sits between the two bands of the inferior glenohumeral ligament limit?

Answer 34

inferior translation when then shoulder is above 90 deg abduction

Question 35

what ligament attaches between the greater and lesser tubercles of the humerus, spanning over the bicipital groove?

Answer 35

transverse humeral ligament

Question 36

between what structures does the transverse humeral ligament attach?

Answer 36

the greater and lesser tubercles of the humerus, spanning over the biciptial groove

Question 37

what is the primary function of the transverse humeral ligament?

Answer 37

to maintain the tendon of the long head of the biceps within the bicipital groove

Question 38

what shoulder ligament acts primarily to control horizontal movements of the clavicle?

Answer 38

the AC ligament

Question 39

what shoulder ligament acts primarily to limit superior translation of the humeral head?

Answer 39

the coracoacromial ligament

Question 40

what shoulder ligament acts primarily to limit superior translation of the clavicle?

Answer 40

the coracoclavicular ligament

Question 41

what shoulder ligament is composed of the conoid and trapezoid ligaments?

Answer 41

the coracoclavicular ligament

Question 42

what shoulder ligament acts primarily to limit inferior translation of the humeral head?

Answer 42

the coracohumeral ligament

Question 43

what shoulder ligament acts primarily to limit shoulder adduction along with shoulder ER within 0-45 deg of shoulder abduction?

Answer 43

the superior glenohumeral ligament

Question 44

what shoulder ligament acts primarily to limit shoulder ER within 45-90 deg of shoulder abduction?

Answer 44

the middle glenhumeral ligament

Question 45

what shoulder ligament acts primarily to limit shoulder IR and ER above 90 deg of shoulder abduction?

Answer 45

the inferior glenhumeral ligament

Question 46

what band of the inferior glenohumeral ligament limits ER above 90 deg of shoulder abduction?

Answer 46

the anterior band

Question 47

what band of the inferior glenohumeral ligament limits IR above 90 deg of shoulder abduction?

Answer 47

the posterior band

Question 47

what structure sits between the two bands of the inferior glenohumeral ligament and acts primarily to limit inferior translation when the shoulder is above 90 deg of abduction?

Answer 47

the axillary pouch

Question 48

what ligament helps to prevent AC joint separation?

Answer 48

the coracoacromial ligament

Question 49

what ligament acts as the primary support of the AC joint?

Answer 49

the coracoclavicular ligament

Question 50

what ligament is the primary supporting ligament of the sternoclavicular joint?

Answer 50

the costoclavicular ligament

Question 51

what ligament functions primarily to maintain the long head of the biceps tendon within the bicipital groove?

Answer 51

the transverse humeral ligament

Question 52

what structures does the subacromial bursa extend over and run beneath?

Answer 52

it extends over the supraspinatus tendon and distal muscle belly and beneath the acromion and deltoid muscle

Question 53

what bursa extends over the supraspintaus tendon and distal muscle belly and runs beneath the acromion and deltoid muscle?

Answer 53

the subacromial bursa

Question 54

what movement does the subacromial bursa facilitate?

Answer 54

movement of the deltoid muscle over the fibrous shoulder joint capsule and supraspintus tendon

Question 55

what bursa facilitates the movement of the deltoid muscle over the fibrous shoulder joint capsule and supraspinatus tendon?

Answer 55

the subacromial bursa

Question 56

what structures does the subscapular bursa overly and lie beneath?

Answer 56

the subscapular bursa overlies the anterior shoulder joint capsule and lies beneath the subscapularis muscle

Question 57

what brusa overlies the anterior shoulder joint capsule and lies beneath the subscapularis muscle?

Answer 57

the subscapular bursa

Question 58

what might anterior shoulder fullness clinically indicate?

Answer 58

articular effusion secondary to distension of the subscapular bursa

Question 59

what can articular effusion secondary to distension of the subscapular bursa clinically present as?

Answer 59

anterior shoulder fullness

Question 60

what is the rotator interval of the shoulder?

Answer 60

a space in the anterosuperior shoulder

Question 61

what does the rotator interval consist of/what structures is it bordered by?

Answer 61

the space in the anterosuperior shoulder consists of and is bordered by: the coracohumeral and superior glenohumeral ligaments, shoulder joint capsule and supraspinatus and subscapularis tendons

Question 62

what ligaments make up and border the rotator interval?

Answer 62

coracohumeral ligament superior glenohumeral ligament

Question 63

what tendons make up and border the rotator interval?

Answer 63

the subscapularis and supraspinatus tendons