l12 pectoral gridle

Question 1

what are the joints of the clavicle

Answer 1

acromio-clavicular joint, sternoclavicular joint.

Question 2

what are the 3 angles of the scapula

Answer 2

superior angle (superior medial), inferior angle, glenoid fossa (superior lateral)

Question 3

what are the 3 surfaces of the scapula

Answer 3

subscapula fossa (anterior), infraspinous fossa (inferior posterior), supraspinous fossa (superior posterior)

Question 4

what are the 3 borders of the scapula

Answer 4

superior border, lateral border, medial border.

Question 5

what are the 3 protuberances of the scapula

Answer 5

acromion (posterior superior lateral), coracoid (superior lateral anterior), spine (posterior superior)

Question 6

what are the important structure of the clavicle

Answer 6

coracoclavicular lig attachment (medial inferior), costoclavicular lig attachment (medial inferior), acromial facet (lateral inferior)

Question 7

describe the sternoclavicular joint

Answer 7

saddle synovial joint, has two cavities divided by a fibrocartilaginous disc, 4 ligaments .

Question 8

describe the acromioclavicular joint

Answer 8

synovial joint, wedge fibrocartilaginous intra-articular disc. 2 ligament (acromioclavicular and coracoclavicular)