Upper Limb Joints

Question 1

The ______ _____ ____ is the ONLY articulation between upper limb & axial skeleton. Its movements include full _____ of upper limb. The _____ can be raised to 60° and _____/_____ movement by 25- 30°

Answer 1

sternoclavicular (SC) joint

elevation

clavicle

anterior/posterior (front to back movement)

Question 2

At the Sternoclavicular joint, the clavicle articulates with______ and _____ ______ _____. The _____ ____ will divide the joint into 2 compartments and act as a ____ ___. Two ligaments called the ____ and ____ _____ ____ will encapsulate the joint, making this joint very strong, so the ____ usually breaks before disloaction occurs.

Answer 2

clavicle

manubrium & 1 st costal cartilage

shock absorber

Articular disc

Anterior & posterior sternoclavicular ligaments

clavicle

Question 3

Label 1-4

Answer 3

1. joint cavity
2. articular disc
3. posterior sternoclavicular ligament
4. anterior sternoclavicular ligament

Question 4

The ____ ____ (___ ___) is a slightly synovial _____ joint  Clavicle articulates with _____ of scapula. It allows the Acromion of scapula to rotate on clavicle. This joint is reinforced by ____ and _____ ligaments.

This joint is weaker because the weak joint ____ & having a ___ ___ ___ ___. If this joint is disrupted, it is called a ____ ____ because the ___ ___ and __ ___ have disrupted..

Answer 4

Acromioclavicular (AC) joint

planar

acromion

rotate

Acromioclavicular

Coracoclavicular (Conoid and Trapezoid)

capsule

wedge-shaped articular disc

“Shoulder separation”

disruption of acromioclavicular joint and coracoclavicular ligament

Question 5

ANSWER 1-5

Answer 5

1. Acromioclavicular ligament
2. Acromioclavicular joint
3. Trapezoid lig
4. Conoid lig
5. Coracoclavicularligament

Question 6

The Shoulder (_____) joint moves freely and can do _____/_____, ____/_____, ____ and ____.

Answer 6

glenohumeral

flexion/extension,

abduction-adduction,

rotation,

circumduction

Question 7

The glenohumreal joint is formed where the ___ ___ articulates with. The glenoid fossa is deepened by a little rim of _______ called the ____ ___. The glenohumeral joint is supported by two ligaments called the ____ and ___ ligaments.The _____ ligament also is used to prevent superior dislocation of the humerus.

Answer 7

Humeral head

glenoid fossa

fibrocartilage

Glenoid labrum

Glenohumeral

Transverse humeral

coracoaromial ligament

Question 8

What are the accessory structures of the glenohueral joint?

Answer 8

long head of biceps brachii,

subscapular bursa,

rotator cuff (SITS)

Question 9

_____ ___ are the most common dislocations of the glenohumeral joint; ____ ____tears are often seen with dislocation in elderly

Answer 9

Anterior dislocation

rotator cuff

Question 10

The elbow or ____ joint, can do _____/____ movements. The ____ & ____ of the ______ articulate with the ___ ___ of the ____ and head of the _____. There are 3 ligaments that help support the elbow joint called the _______, ____ _____ and ____ ___ ligaments.

Answer 10

hinge

flexion/extension

Trochlea & capitulum of humerus

trochlear notch of ulna

head of radius

Annular, Radial collateral, Ulnar collateral

Question 11

_____ _____ are the most common dislocations at the elbow.

_____ ___ ___ can occur as well when the annular ligament is pulled away from radius.

Micro tears in the flexor/pronator muscle mass as it attaches on the medial epicondyle can lead to “_____ ___”

Answer 11

Posterior dislocation

radial head subluxation-

pitchers elbow”

Question 12

The radius and ulna function as a unit, so we have the ___ ____ to allow them to move together. Radioulnar joint is a ___ joint and allows for _____ (____ &_____) with about ___ degrees of rotation.

Answer 12

radialulnar joint

pivot

rotation (pronation and supination

135

Question 13

The radial ulnar joint is divied in to 3 parts, the ____ radioulnar joint that is near the humerus, the ____ ____ is sometimes reffered to as the ____ radioulnar joint, and finally there is the ___ radioulnar joint by the hand.

Answer 13

proximal

interosseous membrane

middle

distal

Question 14

The proximal radioulnar joint is where the head of the _____ articulates with the ___ ___ of the ____ and this is where the radial head is heald in place by the ___ ____.

Answer 14

radius

radial notch

ulna

annular ligament

Question 15

At the distal end of the forearm, the distal radioulnar joint is formed by the ___ __ and the __ ___ of the the radius. Many times, this joint will contain an ____ ___ that is clinically reffered to as the ____ ___

Answer 15

ulnar head

ulnar notch

articular disc

triangular ligament

Question 16

The ____ (the ___ ____ joint) is a complex joint that contains multiple ___ ___ and ligament supports, that is ___ with _____ movements. What movements can it do (3)?

Answer 16

.Wrist

radiocarpal joint

bony articulations

multiaxial

limited

flexion-extension, abduction-adduction, circumduction)

Question 17

The radiocarpal joint is formed when the ____ end of the ___ and the ____ ___ of the ___ ____ ____ meet and together articulate with the proximal row of ___ ___.

Answer 17

distal end of the radius

articular disc

distal radioulnar joint

carpal bones

Question 18

The ___ does NOT participate in the wrist joint

Answer 18

ulna

Question 19

The wrist joint is supported by a number of ligaments and many of them are called the ___ ___, there are also ligaments called the ___ ligaments on the ulnar and radial sides

Answer 19

radiocarpal ligaments

collateral

Question 20

The ___ ___ is between proximal and distal rows of carpal bones. This allows for ___ and intiation of ______/___- of the hand. The ____ and ___, ___ and ____ligaments support it.

Answer 20

Midcarpal

gliding

flex/extension

dorsal&palmar

collateral

interosseous

Question 21

The ______ joint is found between distal row of carpals and bases of metacarpals __. The ____&____, ____, and ____ ligaments support it

Answer 21

carpometacarpal joint

2-5

dorsal and palmar, collateral, and interosseous

Question 22

Between the trapezium and the thumb there is a small joint called the ______-____ joint

Answer 22

(trapezial-metacarpal) j

Question 23

______ is the joint between metacarpals 2-5 (act as a functional unit) ___ __ ___ __ binds it together

Answer 23

Intermetacarpal -

deep transverse metacarpal lig

Question 24

The _____ joints (__ __) are between distal ends of metacarpals and bases of proximal phalanges

Answer 24

Metacarpophalangeal (MP joints)

Question 25

_____ joints are between adjacent phalanges of same digit and occur _____ & ____ so the are called ____ &___ joint respectively for short

Answer 25

Interphalangeal

proximally and distally

PIP and DIP joints

Question 26

Both MP and IP joints are held together by____ ___ and the____ ___. The I-P joints have ______ ligaments as well.

Answer 26

palmar ligaments, and the extensor expansion

collateral ligaments