STRUCTURAL AND FUNCTIONAL ORGANIZATION OF THE UPPER EXTREMITY MUSCULOSKELETAL SYSTEM

Question 1

How many vertebrae are in the Cervical spine

Answer 1

7

Question 2

How many vertebrae are in the Thoracic spine

Answer 2

12

Question 3

How many vertebrae are in the lumbar spine

Answer 3

5

Question 4

How many vertebrae are in the coccyx

Answer 4

4

Question 5

What regions of the spine have Kyphotic curves

Answer 5

Thoracic and sacral

Question 6

What regions of the spine have Lordotic curves

Answer 6

Cercial and thoracic

Question 7

What spinal region
Have facets for rib articulation

Answer 7

Thoracic vertebrae

Question 8

What region of he spine
-Largest, strongest
-Spinous processes are short, thick

Answer 8

Lumbar

Question 9

What region of the spine?
-fused into one unit
-Foundation for pelvic girdle
-Contain sacral foramina for nerves and blood vessels

Answer 9

Sacrum

Question 10

what are the different parts of the sternum

Answer 10

(1) Manubrium
(2) Body
(3) Xyphoid process

Question 11

1. ______ are true ribs
2. ______ are false ribs
3. ______ are floating ribs

Answer 11

(1) R1-R7
(2) R8-R10
(3) R11- R12

Question 12

What bone?
(1) Articulates with sternum medially
(2) Articulates with acromion laterally
(3) The “strut” between the scapula and sternum

Answer 12

Clavicle

Question 13

Part of the scapula that forms the “tip of the shoulder”
-Extends anteriorly and superiorly over the humeral head

Answer 13

Acromion

Question 14

What part of the scapula
Provides attachment site for muscles and ligaments

Answer 14

Coracoid

Question 15

The _______ cavity is shallow, allowing only about 25% of humeral head to make contact

Answer 15

glenoid

Question 16

The _______ forms a ring around the glenoid cavity
(1) Deepens the glenoid and provides more stability to the joint

Answer 16

glenoid labrum

Question 17

The muscles of the rotator cuff are the SITS muscles, what are they

Answer 17

supraspinatus,
infraspinatus,
teres minor,
subscapularis

Question 18

What muscle?
Assists deltoid in abduction of the humerous at the shoulder

Answer 18

Supraspinatus

Question 19

What muscle?
External rotation of the humerus at the shoulder joint

Answer 19

Infraspinatus

Question 20

What muscle?
External rotation of the humerus at the shoulder joint

Answer 20

Infraspinatus

Question 21

What muscle?
Extends arm at shoulder and rotation of the arm externally

Answer 21

Teres minor

Question 22

What muscle?
Internal rotation of the arm at the shoulder

Answer 22

Subscapularis

Question 23

What muscle?
Abducts, flexes, and rotates arm at shoulder joint

Answer 23

Deltoid

Question 24

What muscle?
Multiple fibers in this large muscle move the scapula multi-directionally

Answer 24

Trapezius

Question 25

What muscle? Elevates scapula and rotates downward

Answer 25

Levator scapula

Question 26

What muscle? -Elevates and adducts scapula and rotates downward -Stabilizes scapula

Answer 26

Rhomboid major

Question 27

What muscle? (a) Adducts and rotates arm medially at the shoulder (b) Flexes arm at the shoulder joint

Answer 27

Pectoralis major

Question 28

What muscle? (a) Extends, adducts, and rotates arm medially at the shoulder joint (b) Draws arm downward and backward

Answer 28

Latissimus dorsi

Question 29

What muscle? (a) Extends arm at the shoulder joint (b) Assists with adduction and rotation of arm laterally

Answer 29

Teres major

Question 30

What muscle? Flexes and adducts arm at shoulder

Answer 30

Coracobrachialis

Question 31

The ______ is the proximal aspect of the ulna and is medical term for elbow

Answer 31

olecranon

Question 32

What protects the olecranon?

Answer 32

olecranon bursa

Question 33

What movements does the elbow do?

Answer 33

-flexion and extension -Supination -Pronation

Question 34

Supination and pronation occur ONLY where?

Answer 34

at the elbow

Question 35

muscles that move the radius and ulna What muscle? (1) Flexes arm at the shoulder (2) Flexes and supinates forearm at the elbow

Answer 35

Biceps Brachii

Question 36

muscles that move the radius and ulna What muscle? Flexes forearm at the elbow joint

Answer 36

Brachialis

Question 37

muscles that move the radius and ulna What muscle? Flexes forearm at the elbow joint

Answer 37

Brachioradialis

Question 38

muscles that move the radius and ulna What muscle? (1) Extends forearm at the elbow joint (2) Extends arm at shoulder

Answer 38

Triceps brachii

Question 39

muscles that move the radius and ulna What muscle? Supinates forearm

Answer 39

Supinator

Question 40

muscles that move the radius and ulna What muscle? Pronates forearm

Answer 40

Pronator teres

Question 41

Carpal bones <3 mnemonic Some Lovers Try Positions That They Cant Handle

Answer 41

(1) Scaphoid (2) Lunate (3) Triquetrium (4) Pisiform (5) Trapezium (6) Trapezoid (7) Capitate (8) Hamate

Question 42

What categories of bones make up the hand

Answer 42

Carpals Metacarpals Phalanges

Question 43

muscles that move the wrist What muscle? Flexes and abducts hand at the wrist

Answer 43

Flexor carpi radialis

Question 44

muscles that move the wrist What muscle? Flexes and adducts hand at the wrist

Answer 44

Flexor carpi ulnaris

Question 45

muscles that move the wrist What muscle? Weakly flexes hand at the wrist joint

Answer 45

Palmaris

Question 46

muscles that move the wrist What muscle? (1) Flexes hand at wrist (2) Flexes phalanges of each finger at the PIP joint

Answer 46

Flexor digitorum superficialis

Question 47

muscles that move the wrist What muscle? (1) Flexes hand at wrist (2) Flexes phalanges of each finger at DIP

Answer 47

Flexor digitorum profundus

Question 48

muscles that move the wrist What muscle? Extends and abducts hand at the wrist joint

Answer 48

Extensor carpi radialis longus

Question 49

muscles that move the wrist What muscle? Extends and adducts hand at the wrist joint

Answer 49

Extensor carpi ulnaris

Question 50

muscles that move the wrist What muscle? -Extends hand at wrist joint -Extends phalanges of each finger

Answer 50

Extensor digitorum

Question 51

What nerve? (1) Motor supply to most of the intrinsic hand muscles --(a) Excludes thenar muscles and two lumbricals on radial aspect (2) Sensation to little finger and ½ of ring finger

Answer 51

Ulnar nerve

Question 52

What nerve? Palmar and dorsal aspect of first 3 and ½ fingers

Answer 52

Median nerve

Question 53

What nerve? Dorsum of the hand and lateral first three fingers and one half of fourth finger

Answer 53

Radial nerve