Upper Limb - Overview and Joints

Question 1

Main functions of shoulder and elbow regions

Answer 1

Position and stabilize the hand

Question 2

Upper limb characterized by

Answer 2

mobility and ability to grasp and manipulate

Question 3

Scapulothrocic joint is a

Answer 3

Fascial plane

Question 4

Movements of scapulothoracic joint

Answer 4

Retraction 
Protraction 
Elevation 
Depression 
Rotation

Question 5

Trapezius contributes to all motions but _____ of scapulothoracic joint

Answer 5

Protraction and inferior rotation

Question 6

Superior rotation of scapula

Answer 6

Trapezius and serratus anterior

Question 7

Inferior rotation of scapuula

Answer 7

Rhomboids and lattisimus

Question 8

Only bony articulation of upper limb with trunk

Answer 8

Sternoclavicular joint

Question 9

Anterior sternoclavicular ligament

Answer 9

Anterior reinforcement

Question 10

Posterior sternoclavlicular ligament

Answer 10

Posteior

Question 11

Interclavicular ligament

Answer 11

Limits depression

Question 12

Costoclavicular ligament

Answer 12

Limits elevation

Question 13

Articular disc of sternoclavicular ligament

Answer 13

Divides joint cavity and increases mobility

Question 14

Stability of sternoclavicular joint

Answer 14

Very stable

Clavicle fracture more common

Question 15

Which part of clavicle elevated during fracture?

Answer 15

Medial portion because of sternocleidomastoid pulling up on it
Lateral end depressed by weight of shoulder

Question 16

Acromioclavicular joint stabilizes

Answer 16

Movement during superior and inferior rotation of scapula

Question 17

Acromioclavicular ligament

Answer 17

Part of the joint capsule

Question 18

Ligaments of AC

Answer 18

Acromioclavicular ligament

Coracoclavicular ligament

Question 19

Shoulder separation

Answer 19

Acromion pushed inforior and medial to clavicle

One or both of AC joint ligaments torn

Question 20

Glenohumeral ligaments

Answer 20

Thickenings of the joint capsule located on superior and anterior sides

Question 21

Biceps brachii tendon

Answer 21

Passes through GH joint and stabilizes

Prevents superior displacement

Question 22

Rotator cuff muscles

Answer 22

Surround the GH joint all but inferior

Question 23

Coracoacromial ligament

Answer 23

Prevents superior displacement of head of humerous

Question 24

Glenoid labrum

Answer 24

Cartilaginous ring surrounding the glenoid fossa that deepns it

Question 25

Bursa

Answer 25

Synovial lined bags between tendon/bone and muscle that allow movement of structures against each other

Question 26

Axillary recess

Answer 26

Allows joint capsule to open and strech during abduction | Located inferior to joint

Question 27

GH dislocation

Answer 27

Normally inferior Protruding acromion Closed reduction and immobilization...surgery

Question 28

Elbow joint allows

Answer 28

Flexion and extension at elbow

Question 29

Thickenings of elbow joint

Answer 29

Radial and ulnar collateral ligaments

Question 30

Proximoradioulnar joint

Answer 30

Allows for pronation and supination of the forearm

Question 31

Annular ligament

Answer 31

Holds head of radius in place against the ulna

Question 32

Which stays still during supination?

Answer 32

Ulna

Question 33

Middle radioulnar joint

Answer 33

Interosseus joint | Fibrous joint stabilizing movement of radius on ulna

Question 34

Distal radioulnar joint

Answer 34

Synovial joint between head of ulna and ulnda notch of radius

Question 35

Nursemaids elbow

Answer 35

Subluxation of head of raidus Tears the annular ligament Radius slips out of socket Supinate forearm while elbow is flexed

Question 36

Ligaments stregnthening radiocarpal joint

Answer 36

Ulnar and radial collateral ligaments | Palmar and dorsal radiocarpal ligaments

Question 37

Which doesn't articulate with bones of hand, ulna or radius?

Answer 37

Ulna

Question 38

MCP and IP joints also strengthened by

Answer 38

Collateral ligaments

Question 39

Colles fracture

Answer 39

Fracture of distal radius with dorsal displacement Dinner fork deformity Fall from an outstretched hand Women over 50