week 1 anatomy

Question 1

A: extends, adducts, and medially rotates humerus
N: thoracodorasal N (c6, 7 ,8)

Answer 1

latissimus Dorsi

Question 2

A: extends head, elevates and pulls shoulder posteriorly, stabilization and movement of the scapula
N: moto innervation CN XI (spinal accessory nerve

Answer 2

Trapezius

Question 3

A: scapula elevation
N:dorsal scapular nerve

Answer 3

Levator Scapulae

Question 4

A: rotation of the scapula, rotation of the glenoid cavity
N: dorsal scapular nerve

Answer 4

Rhomboid major

Question 5

A: retraction and elevation of the scapula
N: dorsal scapular nerve

Answer 5

Rhomboid Minor

Question 6

Accessory nerve (CNXI)
transverse cervical artery

Answer 6

trapezius

Question 7

A: elevates the ribs
N: intercostal nerves

Answer 7

serrates posterior superior

Question 8

A:depresses the ribs
N: intercostal nerves

Answer 8

serrates posterior inferior

Question 9

A: primary extensor of the back, contributes to stabizaltion of lateral rotation, and flexion of the vertebral column
N: posterior rami of spinal nerves

Answer 9

Erector Spinae

Question 10

Parts of the Erector Spinae

Answer 10

iliocostalis
longissimis
spinalis

Question 11

__ cervical
__ thoracic
__ lumbar
__ sacrum
__ coccyx

Answer 11

7
12
5
5
3-4

33 total

Question 12

parts of the vertebrae

Answer 12

• body
• arch
• pedicle
• transverse process
• superior vertebral notch
• inferior vertebral notch
• lamina
• spinous process

Question 13

parts of the cervical vertebrae

Answer 13

C1: atlas (foramen transversum )
C2: axis (dens)

Question 14

gradual loss of bone density and strength, collapse of the thoracic vertebrae

Answer 14

osteoporosis

Question 15

The pia mater covering the spinal cord is relatively thick and gives rise to longitudinal projections known as

Answer 15

denticulate
ligaments

Question 16

anchors the conus medullaris to the caudal end of the spinal dural sheath

Answer 16

filum terminale

Question 17

layers in order of the spinal cord

Answer 17

-bone
- epidural space
- dura matter
- subdural space
- arachnoid mater
- subarachnoid space
- pia mater

Question 18

gray matter of the spinal cord?

Answer 18

rich in nerve cell bodies

Question 19

white matter of the spinal cord?

Answer 19

rich in nerve cell process and tracts

Question 20

dorsal is?

Answer 20

sensory

Question 21

ventral is?

Answer 21

motor

Question 22

parts of the humerus

Answer 22

-greater tubercle
- lesser tubercle
-humeral head
-intertubercular sulcus
- radial groove

Question 23

parts of the posterior part of the scapula

Answer 23

-spine of scapula
-supraspinous fossa
- infraspinous fossa
- acromion

Question 24

-acromion
-coracoid process
- subscapular fossa

Answer 24

anterior view of the scapula

Question 25

-supraspinous fossa -spine fo the scapula -acromion -infraspinous fossa

Answer 25

posterior view of the scapula

Question 26

two ends of the clavical?

Answer 26

acromial end sternal end

Question 27

joint between the humerus and the scapula?

Answer 27

glenohumeral joint

Question 28

glenohumeral joint is a what kind of joint?

Answer 28

ball and socket

Question 29

the _________________________ make up the fibrous membrane of the joint capsule (humerus and scapula)

Answer 29

capsular ligament

Question 30

the humeral head is ___ times larger than the glenoid cavity on the scapula

Answer 30

four times

Question 31

what is the function of the glenoid labrum?

Answer 31

it adds stabilization of the glenohumeral joint between the humerus and the scapula

Question 32

ARM moving forward

Answer 32

flexion

Question 33

ARM moving backward

Answer 33

extension

Question 34

what muscles are primarily response for adduction the arm

Answer 34

axillary fold muscles - latissimus dorsi - pectorallis major - teres major

Question 35

A: flexion of the arm and rotates it medially, abduction of the arm, extension and later rotation of the arm N: Axillary n

Answer 35

deltoid m

Question 36

A: protraction and rotation of the scapula holds it against thoracic wall N: long thoracic n

Answer 36

serratus anterior m

Question 37

A: adducts and medially rotates humerus N: lower subscapular n

Answer 37

teres major m

Question 38

A: external (lateral) rotation and adduction of the arm at the shoulder joint, stabilization of the glenoid cavity (rotator cuff muscle) n: axillary n.

Answer 38

teres minor m

Question 39

A: abduction initiation of arm to 15 degrees at glenohumeral joint (rotator cuff muscle) N: subrascapular n

Answer 39

supraspinatus m

Question 40

A: external (lateral) rotation of the arm at the shoulder joint, stabilizes the glenoid cavity (rotator cuff muscle) N: suprascapular n

Answer 40

infraspinatus m

Question 41

A: medially rotates arm, stabilizes humeral head in glenoid cavity ( rotator cuff muscle) N: upper and lower subscapular nerves ( C5, 6, 7)

Answer 41

subscapularius m

Question 42

teres minor supraspinatus m infraspinatus m subscapularis m

Answer 42

rotator cuff muscles

Question 43

rotator cuff is also known as the ?

Answer 43

tendinous cuff

Question 44

actions of the glenhumeral joint?

Answer 44

0-15 degrees supraspinatus m 15-90 degrees deltiod m 90-180 degrees serratus anteriro m

Question 45

at 90 degrees of the glenohumeral joint?

Answer 45

the humerus bumps into the acromion so then the scapular rotation takes place

Question 46

- suprascapular artery -superior transverse ligament

Answer 46

the scapular and circumflex arteries -the army goes over and then navy goes under the bridge

Question 47

quadrangular space triangular space triangular interval

Answer 47

spaces and gateways of the scapular region

Question 48

-axillary n. -posterior circumflex humoral a.

Answer 48

quadrangular space

Question 49

-circumflex scapular a. -circumflex scapular v.

Answer 49

triangular space

Question 50

-profunda brachii a. - Radial n.

Answer 50

triangular interval

Question 51

By reflecting the pectoralis major m. and the pectoralis minor m., this?

Answer 51

gains access to the axilla, the location of the brachial plexus

Question 52

A: adducts and medially rotates humerus, draws scapula anteriorly and inferiorly ( clavicular head alone flexes humerus and sternocostal head extends it from flexed position) N: later and medial pectoral nerves ( C 5, 6,7,8 T1)

Answer 52

pectoralis major m

Question 53

A: draws scapula inferiorly and anteriorly against the thoracic wall, stabilizes scapula N: medial pectoral nerve (C8, T1)

Answer 53

pectoralis Minor m