Shoulder + Upper Arm Muscles - Attachments and Actions

Question 1

Deltoideus origin

Answer 1

spine, acromion of scapula

Question 2

Deltoideus insertion

Answer 2

deltoid tuberosity

Question 3

Deltoideus action

Answer 3

flex shoulder

Question 4

Infraspinatous origin

Answer 4

infraspinous fossa

Question 5

Infraspinatous insertion

Answer 5

infraspinatous tuberosity (humerus)

Question 6

infraspinatous action

Answer 6

extend or flex shoulder

Question 7

supraspinatous orgin

Answer 7

supraspinous fossa

Question 8

supraspinatous insertion

Answer 8

greater tubercle (humerus)

Question 9

supraspinatous action

Answer 9

extend shoulder

Question 10

teres minor orgin

Answer 10

caudal border of scapula

Question 11

teres minor insertion

Answer 11

humerus

Question 12

teres minor action

Answer 12

flex shoulder

Question 13

teres major origin

Answer 13

caudal border of scapula

Question 14

teres major insertion

Answer 14

teres major tuberosity (humerus)

Question 15

teres major action

Answer 15

flex shoulder

Question 16

subscapularis origin

Answer 16

subscapular fossa

Question 17

subscapularis insertion

Answer 17

lesser tubercle (humerus)

Question 18

subscapularis action

Answer 18

adduct, extend shoulder

Question 19

coracobrachialis origin

Answer 19

coracoid process (scapula)

Question 20

coracobrachialis insertion

Answer 20

medial humerus

Question 21

coracobrachialis action

Answer 21

adduct, extend shoulder

Question 22

Tensor fasciae antebrachii origin

Answer 22

latissimus dorsi

Question 23

TFA insertion

Answer 23

olecranon (ulna)

Question 24

TFA action

Answer 24

extend elbow

Question 25

Triceps brachii, long head orgin

Answer 25

caudal border of scapula

Question 26

Tricep long head insertion

Answer 26

olecranon (ulna0

Question 27

Tricep (all heads) action

Answer 27

extend elbow

Question 28

Tricep lateral head origin

Answer 28

tricipital line (humerus)

Question 29

tricep lateral head insertion

Answer 29

olecranon

Question 30

tricep, accessory and medial head origin

Answer 30

proximal humerus

Question 31

accessory and medial head of tricep insertion

Answer 31

olecranon

Question 32

Aconeus origin

Answer 32

lateral and medial epicondyles

Question 33

aconeus insertion

Answer 33

olecranon

Question 34

aconeus action

Answer 34

extend elbow

Question 35

Bicep brachii origin

Answer 35

supraglenoid tubercle

Question 36

Bicep insertions

Answer 36

radial and ulnar tuberosities

Question 37

biceps action

Answer 37

extend shoulder, flex elbow

Question 38

Brachalis origin –> insertion

Answer 38

proximal humerus –> radial and ulnar tuberosities

Question 39

brachialis action

Answer 39

flex elbow