Shoulder and Superficial Back Flashcards Preview

Gross Anatomy Term 1 > Shoulder and Superficial Back > Flashcards

Flashcards in Shoulder and Superficial Back Deck (30):
1

What are the 3 angles of the scapula?

A. Superior Angle
B. Inferior Angle
C. Lateral Angle

2

What are the distal attachments of the Trapezius?

-Spine of scapula
-Acromion
-Lateral 1/3 of clavicle

3

What are the medial attachments of the Trapezius

-Vertebrae

4

What nerve innervates the Trapezius?

Spinal accessory nerve (XI)

5

What is the artery that supplies blood to the Trapezius?

The Superficial branch of the transverse cervical artery

6

What are the attachments of the Deltoid?

-Spine of scapula
-Acromion
-Lateral 1/3 of clavicle

7

What muscle initiates abduction of the humerus for the first 10-15 degrees?

Supraspinatus

8

Which muscles rotate the scapula during abduction of the humerus?

-Trapezius
-Serratus Anterior

9

What clinical finding suggest loss of function of the serratus anterior?

-Winged Scapula
-obvious distinction of the medial border and inferior angle of the scapula when pt is in push-up position

10

What are the attachments of the Teres major?

lateral border of scapula to medial lip of bicipital groove

11

What are the attachments of the latissimus dorsi?

From dorsum of back to floor of bicipital groove

12

What are the muscles of the rotator cuff?

1. Supraspinatus
2. Infraspinatus
3. Teres Minor
4. Subscapularis

13

Which nerve innervates the Latissimus Dorsi? And where does it originate?

-Thoracodorsal Nerve
-C6, 7, 8

14

Which nerve(s) innervate the levator scapulae, and where do they originate?

-Dorsal scapular (C4-5)
-Cervical nerves (C3-4)

15

Which nerve innervates the Rhomboid major and minor? and where does it originate?

Dorsal scapular nerve (C4-5)

16

Which nerve innervates the deltoid?

Axillary (C5-6)

17

Which nerve innervates the Supraspinatus?

Suprascapular nerve (C4-6)

18

Which nerve innervates the Infraspinatus?

Suprascapular nerve (C5-6)

19

Which nerve innervates the Teres Minor?

Axillary Nerve (C5-6)

20

Which nerve innervates the Teres Major?

Lower subscapular nerve (C5-6)

21

Which nerve innervates the subscapularis?

The upper and lower subscapular nerves (C5-7)

22

What muscle(s) does the Axillary nerve innervate?

Deltoid and teres minor

23

What muscle(s) does the suprascapular nerve innervate?

supraspinatus and infraspinatus

24

Where is the site of attachment of the long head of the triceps?

Infraglenoid tubercle

25

Where is the site of attachment of the long head of biceps brachii?

supraglenoid tubercle

26

What are the proximal and distal sites of attachment of the Supraspinatus?

Proximal: Supraspinous fossa

Distal: Superior facet of greater tubercle of humerus

27

What are the proximal and distal sites of attachment of the Infraspinatus?

Proximal: Infraspinous fossa

Distal: Middle facet of greater tubercle of humerus

28

What are the proximal and distal sites of attachment of the Teres Minor?

Proximal: Middle part of lateral border of scapula

Distal: Inferior facet of greater tubercle of humerus

29

What are the proximal and distal sites of attachment of the Teres Major?

Proximal: Posterior surface of inferior angle of scapula

Distal: Medial crest of intertubercular groove of humerus

30

What are the proximal and distal sites of attachment of the Subscapularis?

Proximal: Subscapular fossa

Distal: Lesser Tubercle of humerus