Exam 2 - Review Questions Flashcards Preview

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Flashcards in Exam 2 - Review Questions Deck (18)
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1

What nerves innervate the trapezius?

Cranial nerve XI and ventral rami of 3rd and 4th cervical nerves

2

What nerve innervates the latissimus dorsi?

Thoracodorsal nerve

3

What nerve innervates the levator scapulae?

Cervical nerves C3-5 and dorsal scapular nerve (C5)

4

What nerve innervates the rhomboids?

Dorsal scapular nerve

5

What nerve innervates the subclavius?

Nerve to subclavius

6

What nerves innervate the pectoralis major?

Lateral and medial pectoral nerves, clavicular head, sternal head

7

What nerve innervates the pectoralis minor?

Medial pectoral nerve

8

What nerve innervates the serratus anterior?

Long thoracic nerve

9

What nerve innervates the deltoid?

Axillary nerve

10

What nerve innervates the teres major?

Low subscapular nerve

11

What muscles make up the rotator cuff?

SITS: Supraspinatus, Infraspinatus, Teres minor, Subscapularis

12

What is serves as the insertion for the supraspinatus muscle?

Superior facet of greater tubercle of humerus

13

What serves as the insertion for the infraspiantus?

Middle facet of greater tubercle of humerus

14

What serves as the insertion for the teres minor?

Inferior facet of greater tubercle of humerus

15

What serves as the inerstion for the subscapularis?

Lesser tubercle of the humerus

16

What muscles is the most important in rotating the greater tubercle from the acromion during full arm elevation?

Infraspinatus (i.e. biggest muscle = biggest contributor)

17

What muscle is necessary for the first few degrees of arm elevation?

Supraspinatus

18

Winging of the scapule may be the result of an injury to which nerve?

Long thoracic nerve