LECTURE 9 bones of upper extremity

Question 1

bones of the upper extremity

Answer 1

pectoral girdle (scapula and clavicle), arm (humerus), forearm (radius and ulna), hand (8 carpals, 5 metacarpals, 14 phalanges)

Question 2

description of sternoclavicular joint

Answer 2

synovial saddle joint, diarthrosis

Question 3

description of acromioclavicular joint

Answer 3

synovial plane joint, diarthrosis

Question 4

description of glenohumeral joint

Answer 4

synovial ball and socket joint, diarthrosis, great mobility, many ligaments, muscle reinforcement

Question 5

description of elbow joint

Answer 5

synovial hinge joint, diarthrosis, articulation between humerus and ulna, articulation between humerus and radius, many ligaments

Question 6

description of proximal radioulnar joint

Answer 6

synovial pivot joint, diarthrosis, allows pronation and supination

Question 7

description of distal radioulnar joint

Answer 7

synovial pivot joint, diarthrosis, allows pronation and supination

Question 8

description of interosseus membrane

Answer 8

syndesmosis, diarthrotic, allows pronation and supination

Question 9

description of radiocarpal joint

Answer 9

synovial condyloid joint, distal radius with proximal row of carpals

Question 10

description of intercarpal joints

Answer 10

synovial plane joint, diarthrosis

Question 11

description of carpal-metacarpal joints (2-5)

Answer 11

synovial plane joint, diarthrosis

Question 12

description of trapezium-metacarpal 1

Answer 12

synovial saddle joint, diarthrosis

Question 13

description of interphalangeal joints

Answer 13

synovial hinge joint, diarhrosis