LABS 3&4 muscles of the thorax

Question 1

latissimus dorsi origin

Answer 1

lilac crest, t7-t12, lumbar fascia

Question 2

latissimus dorsi insertion

Answer 2

intertubular groove of humerus

Question 3

latissimus dorsi action

Answer 3

extend, medially rotate, adduct arm

Question 4

trapezius origin

Answer 4

ligamentum nuchae, c7-t12

Question 5

trapezius insertion

Answer 5

clavicle, spine of scapula

Question 6

trapezius action

Answer 6

elevate, adduct, rotate, depress scapula

Question 7

levator scapula origin

Answer 7

c1-c4

Question 8

levator scapula insertion

Answer 8

medial border of scapula

Question 9

levator scapula action

Answer 9

elevate scapula

Question 10

rhomboideus major origin

Answer 10

t2-t5

Question 11

rhomboideus major insertion

Answer 11

medial border of scapula

Question 12

rhomboideus major action

Answer 12

adduct, elevate, rotate scapula

Question 13

rhomboideus minor origin

Answer 13

c7-t1

Question 14

rhomboideus minor insertion

Answer 14

medial border of scapula

Question 15

rhomboideus minor action

Answer 15

adduct, elevate, rotate scapula

Question 16

teres major origin

Answer 16

inferior angle of scapula

Question 17

teres major insertion

Answer 17

intertubercular groove of humerus

Question 18

teres major action

Answer 18

medially rotate, extend arm

Question 19

pectoralis major origin

Answer 19

sternum, clavicle, ribs 2-6

Question 20

pectoralis major insertion

Answer 20

intertubercular groove of humerus

Question 21

pectoralis major action

Answer 21

adduct, flex, medially rotate arm

Question 22

pectoralis minor origin

Answer 22

ribs 3-5

Question 23

pectoralis minor insertion

Answer 23

coracoid process of scapula

Question 24

pectoralis minor action

Answer 24

depress, rotate scapula

Question 25

subscapularis origin

Answer 25

supraspinous fossa of scapula

Question 26

subscapularis insertion

Answer 26

greater tubercle of humerus

Question 27

subscapularis action

Answer 27

abduction of arm

Question 28

infraspinatus origin

Answer 28

infraspinous fossa of scapula

Question 29

infraspinatus insertion

Answer 29

greater tubercle of humerus

Question 30

infraspinatus action

Answer 30

lateral rotation of arm

Question 31

supraspinatous origin

Answer 31

subscapular fossa of scapula

Question 32

supraspinatous insertion

Answer 32

lesser tubercle of humerus

Question 33

supraspinatous action

Answer 33

medial rotation of arm

Question 34

teres minor origin

Answer 34

lateral border of scapula

Question 35

teres minor insertion

Answer 35

greater tubercle of humerus

Question 36

teres minor action

Answer 36

lateral rotation of arm

Question 37

deltoid origin

Answer 37

lateral clavicle, spine and acromion of scapula

Question 38

deltoid insertion

Answer 38

deltoid tuberosity of humerus

Question 39

deltoid action

Answer 39

abduct, flex, extend, medially and laterally rotate arm