Course 1 UE Muscles

Question 1

deltoid origin

Answer 1

acromion, spine of scapula, lateral 1/3 of clavicle

Question 2

deltoid insertion

Answer 2

deltoid tuberosity of humerus

Question 3

pec major origin

Answer 3

medial clavicle, sternum, costal cartilage of ribs 1-6

Question 4

pec major insertion

Answer 4

greater tubercle

Question 5

infraspinatus origin

Answer 5

infraspinous fossa of scapula

Question 6

infraspinatus insertion

Answer 6

greater tubercle

Question 7

biceps origin

Answer 7

-long head: supraglenoid tubercle
-short head: coracoid process

Question 8

biceps insertion

Answer 8

radial tuberosity

Question 9

triceps origin

Answer 9

-long head: infraglenoid tubercle
-lateral head: posterolateral humerus, proximal to radial groove
-medial head: posteromedial humerus, below radial groove

Question 10

triceps insertion

Answer 10

olecranon process

Question 11

lats origin

Answer 11

inferior angle of scapula, ribs 9-12, spinous process T7-T12, thoracolumbar fascia, post 1/3 of iliac crest

Question 12

lats insertion

Answer 12

lesser tuberosity of humerus, intertubercular groove

Question 13

teres major origin

Answer 13

inferior angle of scapula

Question 14

teres major insertion

Answer 14

lesser tubercle

Question 15

teres minor origin

Answer 15

upper 2/3 of lateral margin of scapula

Question 16

teres minor insertion

Answer 16

greater tubercle