Muscles of the Arm

Question 1

Origin of Deltoid

Answer 1

• Clavicle
• Acromion process
• spine of scapula

Question 2

Insertion of Deltoid

Answer 2

Deltoid tuberosity

Question 3

Action of Deltoid

Answer 3

Abduct, flex, extend arm

Question 4

Origin of Biceps Brachii

Answer 4

• Supraglenoid tubercle
• Coracoid process

Question 5

Insertion of Biceps Brachii

Answer 5

• Radial tuberosity

Question 6

Action of Biceps Brachii

Answer 6

Flex and supinate forearm

Question 7

Origin of Brachialis

Answer 7

Anterior humerus

Question 8

Insertion of Brachialis

Answer 8

• Ulnar tuberosity
• Coronoid process

Question 9

Action of Brachialis

Answer 9

Flex elbow

Question 10

Origin of Flexor Carpi Ulnaris

Answer 10

Medial epicondyle of humerus

Question 11

Insertion of Flexor Carpi Ulnaris

Answer 11

• Pisiform
• Hamate
• Base of metacarpal 5

Question 12

Action of Flexor Carpi Ulnaris

Answer 12

Flex and adduct wrist, ulnar deviation

Question 13

Origin of Palmaris Longus

Answer 13

Medial epicondyle of humerus

Question 14

Insertion of Palmaris Longus

Answer 14

Palmar aponeurosis

Question 15

Action of Palmaris Longus

Answer 15

Flex wrist

Question 16

Origin of Flexor Carpi Radialis

Answer 16

Medial epicondyle of humerus

Question 17

Insertion of Flexor Carpi Radialis

Answer 17

Base of metacarpals 2-3

Question 18

Action of Flexor Carpi Radialis

Answer 18

Flex and abduct wrist, Radial deviation

Question 19

Origin of Flexor digitorum superficialis

Answer 19

Medial epicondyle of humerus

Question 20

Insertion of Flexor digitorum superficialis

Answer 20

Middle phalanges of digits 2-5

Question 21

Action of Flexor digitorum superficialis

Answer 21

Flex middle phalanges

Question 22

Origin of Brachioradialis

Answer 22

Lateral epicondyle of humerus

Question 23

Insertion of brachioradialis

Answer 23

styloid process

Question 24

Action of brachioradialis

Answer 24

flex forearm

Question 25

Origin of Supraspinatus

Answer 25

Supraspinous fossa

Question 26

Insertion of Supraspinatus

Answer 26

Greater tuberosity of humerus

Question 27

Action of Supraspinatus

Answer 27

abduct arm

Question 28

Origin of Infraspinatus

Answer 28

Infraspinous fossa

Question 29

Insertion of infraspinatus

Answer 29

greater tuberosity of humerus

Question 30

Action of infraspinatus

Answer 30

Laterally rotate arm

Question 31

Origin of Subscapularis

Answer 31

Anterior scapula

Question 32

Insertion of subscapularis

Answer 32

lesser tuberosity of humerus

Question 33

Action of Subscapularis

Answer 33

medially rotate arm

Question 34

Origin of Teres Major

Answer 34

Lateral border of scapula

Question 35

Insertion of Teres Major

Answer 35

medial intertubercular groove of humerus

Question 36

Action of Teres Major

Answer 36

Extend, adduct, medially rotate humerus

Question 37

Origin of Teres Minor

Answer 37

Lateral Border of scapula

Question 38

Insertion of Teres Minor

Answer 38

greater tuberosity of humerus

Question 39

Action of Teres minor

Answer 39

laterally rotate arm

Question 40

Origin of Triceps Brachii

Answer 40

- Infraglenoid tubercle - Lateral medial humerus

Question 41

Insertion of Triceps Brachii

Answer 41

Olecranon fossa

Question 42

Action of triceps brachii

Answer 42

extend elbow

Question 43

Origin of Extensor Carpi Radialis longus

Answer 43

Lateral epicondyle of humerus

Question 44

Action of Extensor Carpi Radialis longus

Answer 44

Extend and abduct hand

Question 45

Origin of Extensor Carpi Radialis Brevis

Answer 45

Lateral condyle of humerus

Question 46

Action of Extensor Carpi Radialis Brevis

Answer 46

Extend and abduct hand

Question 47

Origin of Extensor Digitorum communis

Answer 47

lateral epicondyle of humerus

Question 48

Action of Extensor Digitorum Communis

Answer 48

Extend fingers

Question 49

Origin of Extensor Carpi Ulnaris

Answer 49

Lateral epicondyle of humerus

Question 50

Action of Extensor Carpi Ulnaris

Answer 50

Extend and adduct hand