joints of upper limb

Question 1

Sternoclavicular Joint

Answer 1

attaches the upper limb to the trunk

Question 2

what broadly

Answer 2

one of the joints of the pectoral girdle

Question 3

what type of joint

Answer 3

synovial saddle joint

Question 4

what is the joint cavity divided by

Answer 4

fibrous articular disc

Question 5

function/movements

Answer 5

elevation of lateral clavicle

anterior and posterior movements

Question 6

how is it stabilised

Answer 6

joint stabilised with a number of ligaments

Question 7

Acromioclavicular Joint (ACJ)

Answer 7

lateral end of the clavicle and the acromion process of the scapula

Question 8

what are the teo joints of the clavicle

Answer 8

ACJ

SCJ

Question 9

type

Answer 9

plane synovial joint

Question 10

movement

Answer 10

Rotation and some

vertical and anterior/posterior (A/P) movements

Question 11

stabilised by

Answer 11

ligaments and muscles limit movements and stabilise the joint

Question 12

Scapulothoracic Joint

Answer 12

Not a true joint

Question 13

movement

Answer 13

Movements of the scapula against the posterior and lateral thoracic wall are the scapulothoracic joint movements.

Question 14

Shoulder Joint (glenohumeral joint)

Answer 14

ball-and-socket synovial joint.

Question 15

between

Answer 15

rounded humeral head articulates with glenoid fossa of the scapula

Question 16

movement

Answer 16

highly mobile joint with wide range of movement

Question 17

stabilised by

Answer 17

muscles required for joint stability. (eg. Rotator cuff group)

Question 18

more mobile

Answer 18

less stable

Question 19

Elbow Joint has how many articulations

Answer 19

2

Question 20

what are they

Answer 20

distal end of the humerus and the proximal end of the radius and ulna of the forearm

Question 21

mobility

Answer 21

flexion and extension

Question 22

3rd joint in elbow (ikhtilaafi joint)

Answer 22

proximal heads of the radius and ulna

proximal radio ulnar joint

Question 23

what ahppens at this joint

Answer 23

the shaft crosses the ulna

so teh palm faces posterior to anterior

Question 24

when the arm or forearm faces up

Answer 24

supination

Question 25

when down

Answer 25

pronation

Question 26

In full flexion at the elbow,

Answer 26

the radial fossa accommodates the head of the radius, and the coronoid fossa accommodates the coronoid process of the ulna.

Question 27

the olecranon fossa

Answer 27

accomadates the olecraNON OF THE ULNA when forearm is fully extended further extended limites

Question 28

Wrist Joint | consists of

Answer 28

distal end of the radius and 3 of the proximal carpal bones

Question 29

is the ulna part of the wrist joint

Answer 29

no

Question 30

what does it articulate with

Answer 30

the articular disc which articulates with carpals

Question 31

ewhy is there are large gap between the ulna and the carpal bones in an x ray

Answer 31

the space is occupied by the articular disc

Question 32

Distal Radio-Ulnar Joint

Answer 32

The distal ends of the radius and ulna form the distal radio-ulnar joint.

Question 33

what are they connected by

Answer 33

fibrous articular disk

Question 34

what are the Intercarpal joints

Answer 34

between the proximal and distal carpal bones

Question 35

Carpometacarpal joints

Answer 35

proximal end of the caroal and the base of the metacarpal

Question 36

what are all these joints

Answer 36

sinovial joints

Question 37

exception

Answer 37

1st carpometacarpal joint

Question 38

which is a

Answer 38

saddle joint

Question 39

allowing

Answer 39

greater mobility of teh thimb

Question 40

metacarpophalangeal joints

Answer 40

knuckles

Question 41

what type

Answer 41

synovial condola joints

Question 42

what joints are there between the phalanges

Answer 42

interphalngeal joint

Question 43

function

Answer 43

flexion and extension only

Question 44

what ligament connects the phalangeas at the medial and lateral sides

Answer 44

collateral ligaments