Lecture #4

Question 1

Where is the Manubrium?

Answer 1

The upper part of the sternum

Question 2

What is the clavicle?

Answer 2

The collar bone

Question 3

What is the coracoid process for?

Answer 3

• Little bone under the acromion process

- Ligaments attach to protect clavicle

Question 4

What is the acromion process?

Answer 4

It is the extension of the spine of the scapula where the clavicle will join to

Question 5

Where is the lateral boarder on the scapula?

Answer 5

-On the side where the glenoid fossa is

Question 6

What is the glenoid fossa?

Answer 6

The smooth part where the socket is for the humerus to attach

Question 7

Is the scapularthoracic (SC) joint a real joint?

Answer 7

NO

Question 8

What are some ligaments that support the SC joint?

Answer 8

• Anterior SC ligament

- Posterior SC ligament

Question 9

What type of joint is the acromioclavicular (AC) joint?

Answer 9

• Arthrodial

- A gliding joint

Question 10

Protraction of scapula?

Answer 10

Scapula moves laterally away from spinal column

Question 11

Retraction of scapula?

Answer 11

Scapula moves medially toward spinal column

Question 12

Depression of scapula?

Answer 12

Downward or inferior movement, as in returning to normal position

Question 13

Elevation of scapula?

Answer 13

Upward or superior movement, as in shrugging shoulders

Question 14

What do the shoulder girdle muscles do for the scapula?

Answer 14

It stabilizes the scapula

Question 15

What do the nerve branches Of C3 and C4 work?

Answer 15

• Trapezius

- Levator scapula

Question 16

What does the spinal accessory nerve (CN XI) work?

Answer 16

-Trapezius

Question 17

What does the dorsal scapular nerve work?

Answer 17

• Levator scapula

- Rhomboid

Question 18

What does the Long thoracic nerve originating from C5, C6, & C7 work?

Answer 18

Serratus anterior

Question 19

What does the Medial pectoral nerve originating from C8 & T1 work?

Answer 19

Pectoralis minor

Question 20

Upper trapezius OINA?

Answer 20

O: base of skull, occipital protuberance
I: Lateral 1/3 of clavicle, acromion process
N: Spinal accessory nerve #11
A: Elevation

Question 21

Middle trapezius OINA?

Answer 21

O: Spinous process T1-5
I: Spine of scapula
N:spinal accessory nerve
A:Retraction

Question 22

Lower trapezious OINA?

Answer 22

O: Spinous process T6-12
I: Base of scapular spine
N: Spinal accessory nerve
A: Depression

Question 23

How do you strengthen a muscle?

Answer 23

Know the action the muscle does and add resistance to the action

Question 24

How do you stretch a muscle?

Answer 24

Move the muscle in the opposite direction of the action

-Hold for 30 seconds

Question 25

What is a free weight?

Answer 25

Going against gravity

Question 26

Levator scapulae OINA?

Answer 26

O: Transverse process of C1-4 I: Superior angle of the scapula N: Dorsal scapular nerve A: Elevation

Question 27

What is a synergist?

Answer 27

It is a muscle that helps aid in a movement but is not the primary mover

Question 28

What is a synergist to levator scapulae?

Answer 28

Upper trapezius

Question 29

Rhomboids OINA?

Answer 29

O: Spinous process C7-T5 I: Medial boarder of scapula N: Dorsal scapular nerve A: Retraction

Question 30

Serratus Anterior OINA?

Answer 30

O: Upper 9 ribs I: Medial boarder of scapula N: Long thoracic nerve A: Protraction

Question 31

Pectoralis Minor OINA?

Answer 31

O: Ribs 3-5 I: Corocoid process N: Medial pectoral nerve A: Protraction and depression

Question 32

In its action protraction what is a synergist to pectorallis minor?

Answer 32

Serratus anterior

Question 33

In scpapular retraction a synergist to middle trapezius is?

Answer 33

Rhomboids

Question 34

What are 2 agonists for scapular protraction?

Answer 34

- Pectoralis minor | - Serratus anterior

Question 35

What are 2 agonists for scapular retraction?

Answer 35

- Middle trapezius | - Rhomboids

Question 36

What are 3 agonists with scapular upwards rotation?

Answer 36

- Middle Trapezius - Lower Trapezius - Serratus anterior

Question 37

What are 2 agonist muscles for scapular downward rotation?

Answer 37

- Pectoralis minor | - Rhomboids

Question 38

What are 3 agonists for scapular elevation?

Answer 38

- LevatorScapula - UpperTrapezius - Rhomboid

Question 39

What are 2 agonists for scapular depression?

Answer 39

- Lower trapezius | - Pectoralis minor

Question 40

What is the innervation (nerve) of serratus anterior?

Answer 40

Long thoracic nerve

Question 41

What are 2 actions of perctoalis minor?

Answer 41

Protraction and depression

Question 42

Which cranial nerves are only sensory?

Answer 42

1, 2, 8

Question 43

What is the innervation of levator scapulae?

Answer 43

Dorsal scapular nerve

Question 44

What is the action of the upper trapezius?

Answer 44

Elevation

Question 45

What is the innervation of trapezius?

Answer 45

Cranial nerve #11

Question 46

What is the Action of middle trapezius?

Answer 46

Retraction

Question 47

What is a synergist to levator scapulae?

Answer 47

Upper trapezius