lab week 8

Question 1

three muscles that act on the scapula

Answer 1

trapezius, serratus anterior, pectoralis minor

Question 2

trapezius origin

Answer 2

occipital bone

Question 3

trapezius insertion

Answer 3

scapular spine

Question 4

trapezius action

Answer 4

adduction, elevation, depression

Question 5

serratus anterior origin

Answer 5

ribs 1-9

Question 6

serratus anterior insertion

Answer 6

medial edge of scapula

Question 7

serratus anterior action

Answer 7

protracts scapula (punch)

Question 8

pectoralis minor origin

Answer 8

anterior ribs 3-5

Question 9

pectoralis minor insertion

Answer 9

coracoid process

Question 10

pectoralis minor action

Answer 10

protracts scapula, depresses scapula

Question 11

rotator cuff muscles

Answer 11

supraspinatus, infraspinatus, teres minor, subscapularis

Question 12

subscapularis action

Answer 12

abduct arm

Question 13

infraspinatus action

Answer 13

adducts, laterally rotates arm

Question 14

subscapularis action

Answer 14

medially rotates arm

Question 15

teres minor action

Answer 15

adducts, laterally rotates arm

Question 16

muscles that act on the humerus

Answer 16

deltoid, pectoralis major, latissimus dorsi, teres major, coracobrachialis, rotator cuff

Question 17

pectoralis major insertion

Answer 17

humerus

Question 18

pectoralis major origin

Answer 18

clavicle, sternum, ribs

Question 19

pectoralis major action

Answer 19

adducts and flexes arm

Question 20

latissimus dorsi origin

Answer 20

spinous process T6-T12, ribs 8-12

Question 21

latissimus dorsi insertion

Answer 21

humerus

Question 22

latissimus dorsi action

Answer 22

adducts, extension arm

Question 23

Ant or Post: coracobrachialis

Answer 23

anterior

Question 24

Ant of Post: teres major

Answer 24

posterior

Question 25

deltoid origin

Answer 25

clavicle, acromion process, scapular spine

Question 26

deltoid insertion

Answer 26

deltoid tuberosity ON humerus always lateral

Question 27

deltoid action

Answer 27

abduction and flexion of the arm

Question 28

biceps brachii insertion

Answer 28

radial tuberosity

Question 29

biceps brachii origin

Answer 29

scapula

Question 30

biceps brachii action

Answer 30

flexes and supinates forearm

Question 31

brachialis origin

Answer 31

mid anterior humerus strongest and deep

Question 32

brachialis insertion

Answer 32

ulna tuberosity

Question 33

brachioradialis origin

Answer 33

distal humeral shaft

Question 34

brachioradialis insertion

Answer 34

radial styloid

Question 35

triceps insertion

Answer 35

olecranon process

Question 36

triceps action

Answer 36

extends forearm

Question 37

flexors origin

Answer 37

MEDIAL epicondyle

Question 38

extensors origin

Answer 38

LATERAL epicondyle

Question 39

anterior muscles that act on the forearm/wrist/fingers

Answer 39

PFPF - lateral to medial pronator teres, flexor carpi radialis, palmaris longus, flexor carpi lunaris

Question 40

posterior muscles that act on the forearm/wrist/fingers

Answer 40

extensor carpi ulnaris, extensor digitorum, extensor carpi radialis

Question 40

scapula features to know

Answer 40

spine, coracoid process, acromial process, glenoid fossa, labrum

Question 41

L v R rib

Answer 41

inferior costal groove, curve attached to sternum

Question 42

L v R scapula

Answer 42

posterior and medial spine, lateral glenoid fassa

Question 43

L v R humerus

Answer 43

large medial epicondyle, lateral deltoid tuberosity

Question 44

L v R ulna

Answer 44

anterior trochlear notch, distal taper

Question 45

L v R radius

Answer 45

larger distally, proximal radial head