Arthrology LOs

Question 1

Convex on concave

Answer 1

Roll opposite of glide

Question 2

Concave on convex

Answer 2

Roll same as glide

Question 3

Describe the morphology of the articular surfaces of the sternoclavicular joint

Answer 3

Clavicle is convex superior to inferior
Manubrium is concave superior to inferior
Clavicle is concave anterior to posterior
Manubrium is convex anterior to posterior

Question 4

Describe the morphology of the articular surfaces of the acromioclavicular joint

Answer 4

Incongruent, vary in configuration from person to person

Question 5

Describe the morphology of the articular surfaces of the glenohumeral joint

Answer 5

Glenoid fossa is concave
Humerus is convex

Question 6

Primary mover of GH flexion

Answer 6

Anterior deltoid
Coracobrachialis

Question 7

Secondary mover of GH flexion

Answer 7

Biceps brachii

Question 8

Antagonist of GH flexion

Answer 8

posterior deltoid
Latissimus dorsi

Question 9

Primary mover of GH extension

Answer 9

Latissimus dorsi
Posterior deltoid

Question 10

Secondary mover of GH extension

Answer 10

Triceps (long head)

Question 11

Antagonist of GH Extension

Answer 11

Anterior deltoid

Question 12

Primary mover of GH Abduction

Answer 12

Middle deltoid

Question 13

Secondary mover of GH abduction

Answer 13

Supraspinatus

Question 14

Antagonist of GH abduction

Answer 14

Latissimus dorsi
Teres major