Joints of Upper limb

Question 1

Name all the joints of upper limb

Answer 1

Sternoclavicular (SC)
Acromioclavicular ( AC)
Glenohumeral (GH)

Question 2

Sternoclavicular classfication

Answer 2

Sadle(functions as ball & socket)

Btwn sternal end of the clavicle and the manubrium of the sternum and 1st cartilage

Question 3

SC joint is divided into what?

Answer 3

Articular disc & Joint Capsule

Question 4

Articular disc

Answer 4

Attaches to anterior / posterior sc ligament & interclavicular ligament

Question 5

Joint Capsule

Answer 5

Surrounds SC joint

Fibrous layer

Question 6

Anterior & posterior ligaments

Answer 6

Reinforce Joint capsule anteriorly and posteriorly

Question 7

Interclavicular Ligament

Answer 7

Strengthen capsule superiorly
Extends from the sternal end of one clavicle to the sternal end of the other clavicle ( also attached superior border of manubrium)

Question 8

Costoclavicular Ligament

Answer 8

Anchors Surface of sternal ends of clavicle to 1st rib & costal cartilage
*limits elevation of the pectoral girdle

Question 9

AC Joint Classificaton

Answer 9

Classification: Plane synovial

Covered by fibrocartilage separated by an incomplete wedge-shaped articular disc

Question 10

Superior AC Ligament

Answer 10

Strengthen come from coracoclavicular ligament

Question 11

Coracoclavicular Ligament

Answer 11

Conoid

Trapezoid