Scapula to humerus Flashcards Preview

Muscles > Scapula to humerus > Flashcards

Flashcards in Scapula to humerus Deck (24):
1

deltoid *: Origin

clavicle, acromion, spine of the scapula

2

deltoid *: Insertion

deltoid tuberosity of humerus

3

deltoid *: Nerve

Axillary nerve

4

deltoid *: Action

shoulder abduction, flexion and extension

5

supraspinatus*: Origin

supraspinous fossa of scapula

6

supraspinatus*: Insertion

superior facet of greater tubercle of humerus

7

supraspinatus*: Nerve

suprascapular nerve

8

supraspinatus*: Action

abduction of arm and stabilizes humerus

9

infraspinatus*: Origin

infraspinous fossa of the scapula

10

infraspinatus*: Insertion

middle facet of greater tubercle of the humerus

11

infraspinatus*: Nerve

suprascapular nerve

12

infraspinatus*: Action

Lateral rotation of arm & Adduction of arm and stabilizes humerus

13

teres major*: Origin

posterior aspect of the inferior angle of the scapula

14

teres major*: Insertion

medial lip of the intertubercular sulcus of the humerus

15

teres major*: Nerve

Lower subscapular nerve (segmental levels C5 and C6)

16

teres major*: Action

Internal rotation of the humerus

17

teres minor*: Origin

lateral border of the scapula

18

teres minor*: Insertion

inferior facet of greater tubercle of the humerus

19

teres minor*: Nerve

axillary nerve

20

teres minor*: Action

laterally rotates and adducts the arm

21

subscapularis*: Origin

subscapular fossa

22

subscapularis*: Insertion

lesser tubercle of humerus

23

subscapularis*: Nerve

upper subscapular nerve, lower subscapular nerve (C5, C6

24

subscapularis*: Action

rotates medially humerus; stabilizes shoulder