Joints of Upper Limb

Question 1

What are the joints of the pectoral gridle

Answer 1

• sternoclavicular joint
• Acromioclavicular joint
• glenohumeral joint
• elbow joint
• proximal radio ulnar joint
• distal radio ulnar joint
• wrist

Question 2

what type of joint is the sternoclavicular joint

Answer 2

saddle type of synovial joint

Question 3

what kind of movement does the sternoclavicular joint have

Answer 3

has a somewhat similar range of ball and socket BUT IS NOT THIS JOINT
BECAUSE it doesnt have a axial rotation

Question 4

what part of the sternoclavicular joint allows for motion

Answer 4

the articular disk allows for hinge like fx

Question 5

what kind of capsule is the sternoclavicular joint

Answer 5

complete capsule

Question 6

what kind of ligaments doe the sternoclavicular joint have

Answer 6

• anterior
• posterior
• interclavicular ligament
• costoclavicular ligament

Question 7

what degree of motion does the sternoclavicular joint have

Answer 7

can have 15 to 45 degrees of movement 
anteriorly =15
posterioryly=15
superiorly =45
inferiorly=5

Question 8

what supplies the sternoclavicular joint with blood

Answer 8

• internal thoracic a.

- suprascapular a

Question 9

what nerves supply the sternoclavicular joint

Answer 9

• medial supraclavicular n ( medial intermediate and lateral branches )
• nerve to subclavius

Question 10

what type of joint is the acromioclavicular joint

Answer 10

plane type synovial

Question 11

what kind of movement does the acromioclavicular joint have

Answer 11

gliding, foration of scapula on clavicle from the articular disc

Question 12

what kind of capsule does the acromioclavicular joint have

Answer 12

losse joint capsule that can often disloacte in should separation

Question 13

what ligaments does the acromioclavicular joint have

Answer 13

• acromioclavicular
• coracoacromia
• coracoclavicular

Question 14

what are the 2 heads of the coracoclavicular ligament

Answer 14

• trapeziod

- conoid

Question 15

what supply’s the acromioclavicular joint with blood

Answer 15

• suprascapular a

- thoracoacromial a.

Question 16

what nerves supply the acromioclavicular joint

Answer 16

• lateral supraclavicular n
• lateral pectoral n
• axillary n

Question 17

What type of joint is the glenohumeral joint

Answer 17

ball and socket joint

more motion and less stability

Question 18

what kind of capsule is the glenohumeral joint

Answer 18

• lax inferior in resting postion

- long head bicep tendon in capsule

Question 19

what are the ligaments of the glenohumeral joint

Answer 19

superior 
middle 
inferior 
-coracohumeral ligament 
coracoacromial arch

Question 20

where can the ligaments of the glenohumeral joint be found

Answer 20

from glenoid fossa to anatomical neck and they reinforce the joint capsule anteriorly

Question 21

what is the transerse humeral ligament of the glenohumeral joint

Answer 21

spans the tow tubercles and hold the long head of the biceps down

Question 22

where can the corahumeral ligament of the glenohumeral joint be found

Answer 22

corocoid process to greater tubercle

Question 23

where can the coracoacromial arch of the glenohumeral joint be found

Answer 23

coracoid process, acromion, coracoacromial ligament

Question 24

what supplies the glenohumeral joint with blood

Answer 24

• anterior circumflex humeral a
• posterior circumflux humeral a
• suprascapular a branches

Question 25

what supplies the glenohumeral joint with nerves

Answer 25

- suprascapular n - axillary n - lateral pectoral n

Question 26

what are the bursae of the glenohumeral joint

Answer 26

- subacromial - subdeltiod ( largest in the body) - subscapular - subcoracoid

Question 27

what type of joint is the elbow

Answer 27

hinge type joint

Question 28

what are the elbows 3 articulation sites

Answer 28

- humero-ulnar - humero-radial - radio-ulnar ( proximal)

Question 29

what is the fibrous capsule of the elbow joint

Answer 29

this is a wak anterior and posterior capsuel that is reinforced by collateral ligaments

Question 30

What are the ligaments of the elbow joint

Answer 30

- radial collateral - ulnar collateral - annular ligament

Question 31

what does the radial collateral ligament connect too

Answer 31

connects lateral epicondyle of humerus with radius and annular ligament *smaller then ulnar collateral lig.

Question 32

what does the ulnar collateral ligament connnect too

Answer 32

connects the medial epicondyle of humerus with ulna

Question 33

how many bands does the ulnar collateral lig. have

Answer 33

3 - anterior band - posterior band - oblique band * ** many believe that are only two anterior and posterior

Question 34

what is tommy john surgery

Answer 34

this is where they go in and recreate the elbow lig. | slide 20

Question 35

what is the carrying angle of the elbow joiont

Answer 35

around 10 to 15 degrees

Question 36

bursae of the elbow joint

Answer 36

- subcutaneous bursa of medial epicondyle - subcutaneous bursa of lateral epicondyle - bursa of anconeus - bursa at origin of extensor carpi radialis brevis - olecranon bursae ( subtendinous, intratendinous, subcutaneous)

Question 37

what supplies the elbow with blood

Answer 37

anastomose aroudn the elbow from - brachial a. - deep brachial a. - ulnar a. - radial a.

Question 38

what are the nerve supplies to the elbow joint

Answer 38

articular branches of - musculocutaneous n. - radial n. - ulnar n.

Question 39

what type of joint is the proximal radio ulnar joint

Answer 39

pivot joint

Question 40

what ligament is in the proximal radio ulnar joint

Answer 40

annular ligament

Question 41

what is the blood supply to the proximal radio ulnar joint

Answer 41

- Deep brachial a - Ulnar recurrent * *anterior * *posterior

Question 42

what is the nerve supply to the proximal radio ulnar joint

Answer 42

musculocutaneous n median n. radial n

Question 43

what type of joint is the distal radio ulnar joint

Answer 43

pivot joint

Question 44

what ligament is in the distal radio ulnar joint

Answer 44

``` articular disc ( triangular ligament ) --which attaches to the styloid process of ulna and medial side of distal radius ```

Question 45

what is the blood supply of the distal radio ulnar joint

Answer 45

- anterior interossesous a | - posterior interosseous a

Question 46

what are the nerves of the distal radio ulnar joint

Answer 46

anterior interosseous n | posterior interosseous n

Question 47

what branch is the anterior interossesous n from

Answer 47

br of median n

Question 48

what branch is the posterior interossesous n from

Answer 48

deep radial n after supinator m.

Question 49

What are the joints of the wrist

Answer 49

-radiocarpal joint

Question 50

what kind of jiont is the radiocarpal joint

Answer 50

condyloid ( ellipsoid) joint

Question 51

what articulates with the radiocarpal joint

Answer 51

the radius and articular disc of radio ulnar joint articulates with proximal row of carpal bones ( minus the pisiform)

Question 52

what are the ligaments of the radiocarpal joint

Answer 52

- palmar radiocarpal - dorsal radiocarpal - ulnar collateral - radial collateral

Question 53

where is the ulnar collateral of the radiocarpal joint found

Answer 53

ulnar syloid process to pisiform and triquetrum

Question 54

where is the radial collateral of the radiocarpal joint found

Answer 54

raidla styloid process to scaphoid

Question 55

what supplies the wrist joint with blood

Answer 55

branches of the - dorsal carpal arch - palmar carpal arch

Question 56

what does the dorsal carpal arch anastomosis with

Answer 56

the dorsla carpal branches of the radial and ulnar aa.

Question 57

what does the palmar carpal arch anastomossi with

Answer 57

the palmar carpal branches of raidal and ulnar aa.

Question 58

what are the nerves of the wrist joint

Answer 58

- anterior interosseous branch of median n. - posterior interosseous branch of radial n. - dorsal and deep branches of ulnar n.