scapulohumeral muscles Flashcards
1
Q
teres major origin
A
posterior surface of inferior angle of scapula
2
Q
teres major insertion
A
intertubercular sulcus of humerus
3
Q
teres major action
A
- adduction
- medial rotation of arm
4
Q
teres major innervation
A
lower subscapular nerve
5
Q
deltoid origin
A
- clavicle
- acromion
- spine of scapula
6
Q
deltoid insertion
A
deltoid tuberosity
7
Q
deltoid action
A
- anterior: flex and medial rotation of arm
- middle: ABD arm
- posterior: extension and lateral rotation of arm
8
Q
deltoid innervation
A
axillary nerve
9
Q
supraspinatus origin
A
supraspinous fossa of scapula
10
Q
supraspinatus insertion
A
greater tubercle of humerus
11
Q
supraspinatus action
A
ABD humerus at glenohumeral joint
12
Q
supraspinatus innervation
A
suprascapular nerve
13
Q
infraspinatus origin
A
infraspinous fossa of scapula
14
Q
infraspinatus insertion
A
greater tubercle of humerus
15
Q
infraspinatus action
A
lateral rotation of arm
