Test 3 Part 1

Question 1

With only two exceptions, what provides all motor and sensory innervation to the upper limb?

Answer 1

Brachial Plexus

Question 2

What are the two exceptions Regarding nerve supply of upper limb?

Answer 2

1. T2 > Intercostobrachial N. provides sensation to proximal medial portion of arm.
2. CN XI Spinal Accessory motor innervation to trapezius m.

Question 3

Upper trapezius motion

Answer 3

shoulder elevation
extension of head and neck

Question 4

Middle Trap Motion

Answer 4

scapular retraction

Question 5

Lower trapezius motion

Answer 5

scapular depression
scapular upward rotation

Question 6

Latissimus Dorsi Origin

Answer 6

Thoracolumbar fascia
iliac crest
spinous process T7-L5

Question 7

Latissimus Dorsi Innervation

Answer 7

Thoracodorsal nerve

Question 8

Teres Major Origin and insertion

Answer 8

Inf angle of scapula
Insertion: Mdial lip bicipital groove

Question 9

Teres Major innervation

Answer 9

lower sub-scapular nerve.

Question 10

Latissimus Dorsi and Teres Major Action

Answer 10

Active internal rotation of glenohumeral joint

Active Adduction of the glenohummeral

Active extension of the glenohumeral joint

Question 11

Levator Scapulae Origin

Answer 11

transverse process of upper cervical vertebrae

Question 12

Levator scapulae insertion

Answer 12

medial border of scapula

Question 13

levator scapulae action

Answer 13

elevate the scapula

Question 14

Rhomboid major and minor origin

Answer 14

spinous processes of the 2nd to 5th thoracic vertebrae

Question 15

Rhomboid major and minor insertion

Answer 15

medial border of scapula

Question 16

3 muscles that are scapular stabalizers

Answer 16

levator scapulae
rhomboid major
rhomboid minor

Question 17

What nerve innervates the 3 scapular stabalizers?

levator scapulae
rhomboid major
rhomboid minor

Answer 17

dorsal scapular nerve (C5)

Question 18

Rhomboids action

Answer 18

retract and rotate the scapula medially and upward.

Question 19

Deltoid Origin

Answer 19

Spine of Scapula
Acromion of scapula
clavicale

Question 20

Deltoid Insertion

Answer 20

deltoid tuberosity

Question 21

Anterior deltoid action

Answer 21

active flexion and internal rotation of glenohumeral joint

Question 22

Middle deltoid action

Answer 22

active abduction of glenohumeral joint

Question 23

posterior deltoid

Answer 23

active extension and external rotation of glenohumeral joint

Question 24

Deltoid Muscle innervation

Answer 24

Axillary nerve innervates ant. middle, and post portions of deltoid muscles

Question 25

Name the 4 joints in the shoulder

Answer 25

Sternoclavicular
Acromioclavicular
Glenohumeral
scapulothoracic

Question 26

Acromioclavicular degrees of movement

Answer 26

30

Question 27

Glenohumeral degrees of movement

Answer 27

120

Question 28

scapulothoracic degrees of movement

Answer 28

60
this “joint” lets the scapula glide in all directions over the thorax