func anat glenohumeral joint

state which movement the superior/medial/inferior glenohumeral ligaments resist
full adduction/extenal rotation/abduction and both rotations
1 of 38
name the 3 ligaments connected to the coracoid process
acromioclavicular, coracoclavicular and coracohumeral
2 of 38
what is the role of the labrum
to improve stability by deepening the glenoid fossa
3 of 38
what is the main role of the rotator cuff and bi/triceps long heads
to maintain the humeral head in the optimum position
4 of 38
name the 4 anterior glenohumeral muscles
pectorais major, biceps brachii, subscapularis and coracobrachialis
5 of 38
origin of pec major (sternal and clavicular fibres)
sternum, top 6 costal cartilages and medial half of clavicle
6 of 38
insertion pec major
intertubercular groove
7 of 38
action pec major
flexion (clavicular), medial rotation, adduction, and extension, horizontal adduction (sternal)
8 of 38
origin coracobrachialis
coracoid process tip
9 of 38
insertion coracobrachialis
medial aspect of humerus shaft
10 of 38
action coracobrachialis
main muscle in horizontal adduction
11 of 38
origin subscapularis (Sits)
subscapula fossa
12 of 38
insertion subscapularis
lesser tubercle, shoulder joint capsule, anterior of humerus
13 of 38
action subscapularis
internal rotation (and stability)
14 of 38
origin biceps (long and short heads)
long head- supraglenoid tubercle and labrum, short head- coracoid process
15 of 38
insertion biceps
radial tuberosity
16 of 38
action biceps
flexion, shoulder flexion, supination, stabilises superiorly
17 of 38
origin infraspinatus (sIts)
infraspinous fossa
18 of 38
insertion infraspinatus
humerus greater tubercle
19 of 38
action infraspinatus
external rotation (and stability)
20 of 38
origin teres minor (siTs)
lateral border of scapula
21 of 38
insertion teres minor
greater tubercle of humerus
22 of 38
action teres minor
external rotation, adduction (and stability)
23 of 38
origin deltoid
anterior border of lateral third of clavicle, acromion, lower lip scapula spine
24 of 38
insertion deltoid
V shape deltoid tuberosity on humerus
25 of 38
action deltoid
flexion and medial rotation, abduction of shoulder, extension and lateral rotation
26 of 38
origin supraspinatus (sitS)
superior side of scapula spine (supraspinatus fossa)
27 of 38
insertion supraspinatus
greater tubercle humerus
28 of 38
action supraspinatus
initiates abduction (and stability)
29 of 38
origin latissimus dorsi
T7-T12, iliac crest, lower 4 ribs
30 of 38
insertion latissimus dorsi
inferior angle scapula, intertubercular groove of humerus
31 of 38
action latissimus dorsi
extension, adduction, medial rotation
32 of 38
origin teres major
posterior inferior angle and lateral border of scapula
33 of 38
insertion teres major
intertubercular groove
34 of 38
action teres major
extension, adduction, medial roation
35 of 38
origin triceps
infraglenoid tubercle of scapula
36 of 38
insertion triceps
olecranon process of ulna
37 of 38
action triceps
extension of elbow, adduction and extension of shoulder, stabilises humeral head inf/posteriorly
38 of 38

Other cards in this set

Card 2


name the 3 ligaments connected to the coracoid process


acromioclavicular, coracoclavicular and coracohumeral

Card 3


what is the role of the labrum


Preview of the front of card 3

Card 4


what is the main role of the rotator cuff and bi/triceps long heads


Preview of the front of card 4

Card 5


name the 4 anterior glenohumeral muscles


Preview of the front of card 5
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