Upper Extremity Muscles: Origin and Insertion

Question 1

These 2 muscles ORIGINATE at the lateral supracondylar ridge of humerus.

Answer 1

Brachioradialis and Extensor carpi radialis longus

Question 2

These 2 muscles insert at the base of proximal phalanx of little finger

Answer 2

Abductor digiti minimi and Flexor digiti minimi

Question 3

The following inserts at the base of proximal phalanx of thumb, EXCEPT:

A. Adductor pollicis
B. Flexor pollicis brevis
C. Abductor pollicis brevis
D. Extensor pollicis brevis
E. Extensor pollicis longus

Answer 3

E. Extensor pollicis longus

Question 4

Determine the INSERTION of the Pronator teres.

A. Bases of second and third metacarpal bones
B. Lateral aspect of shaft of radius
C. Middle phalanx of medial four fingers
D. Flexor retinaculum and palmar aponeurosis
E. Pisiform bone, hook of the hamate, base at fifth metacarpal bone

Answer 4

B. Lateral aspect of shaft of radius

Question 5

Determine the INSERTION of the Palmaris longus.

A. Bases of second and third metacarpal bones
B. Lateral aspect of shaft of radius
C. Middle phalanx of medial four fingers
D. Flexor retinaculum and palmar aponeurosis
E. Pisiform bone, hook of the hamate, base at
fifth metacarpal bone

Answer 5

D. Flexor retinaculum and palmar aponeurosis

Question 6

Determine the INSERTION of the Flexor carpi ulnaris.

A. Bases of second and third metacarpal bones
B. Lateral aspect of shaft of radius
C. Middle phalanx of medial four fingers
D. Flexor retinaculum and palmar aponeurosis
E. Pisiform bone, hook of the hamate, base at fifth metacarpal bone

Answer 6

E. Pisiform bone, hook of the hamate, base at fifth metacarpal bone

Question 7

This muscle inserts at the neck and shaft of radius.

Answer 7

Supinator

Question 8

Flexor pollicis brevis inserts at the _____.

Answer 8

Base of proximal phalanx of thumb

Question 9

Determine if the statement below is correct. Otherwise, determine which word makes it incorrect.

Pronator teres Origin:

Humeral Head - Lateral epicondyle of humerus
Ulnar Head - Medial border of olecranon process of ulna

Answer 9

1. Lateral Epicondyle
2. Olecranon process

CORRECT ORIGIN:
Humeral Head: Medial epicondyle of humerus
Ulnar Head: Medial border of coronoid process of ulna

Question 10

This muscle inserts at the medial border of the fifth metacarpal bone

Answer 10

Opponens digiti minimi

Question 11

This muscle originates from the Pisiform bone

Answer 11

Abductor digiti minimi

Question 12

Determine if the statement below is correct. Otherwise, determine which word makes it incorrect.

Adductor pollicis Origin:

Oblique head - second and third metacarpal bones
Transverse head - third metacarpal bone

Answer 12

The statement is correct.

Question 13

Determine the origin of the lumbricals.

A. Tendons of flexor digitorum profundus
B. Flexor retinaculum, palmar aponeurosis
C. Posterior surface of shaft of ulna
D. Contiguous sides of shafts of metacarpal bones
E. Scaphoid, trapezium, flexor retinaculum

Answer 13

A. Tendons of flexor digitorum profundus

Question 14

Determine the origin of the Abductor pollicis brevis.

A. Tendons of flexor digitorum profundus
B. Flexor retinaculum, palmar aponeurosis
C. Posterior surface of shaft of ulna
D. Contiguous sides of shafts of metacarpal bones
E. Scaphoid, trapezium, flexor retinaculum

Answer 14

E. Scaphoid, trapezium, flexor retinaculum

Question 15

Determine the origin of the Dorsal interossei.

A. Tendons of flexor digitorum profundus
B. Flexor retinaculum, palmar aponeurosis
C. Posterior surface of shaft of ulna
D. Contiguous sides of shafts of metacarpal bones
E. Scaphoid, trapezium, flexor retinaculum

Answer 15

D. Contiguous sides of shafts of metacarpal bones

Question 16

Determine the ORIGIN of the following muscles.

1. Anterior surface of shaft of radius
2. Anteromedial surface of shaft of ulna
3. Posterior surface of shafts of radius and ulna
4. Posterior surface of shaft of radius
5. Anterior surface of shaft of ulna

A. Flexor pollicis longus
B. Flexor digitorum profundus
C. Pronator quadratus
D. Abductor pollicis longus
E. Extensor pollicis brevis

Answer 16

1. A
2. B
3. D
4. E
5. C

Question 17

The following originates from the medial epicondyle of humerus, EXCEPT:

A. Palmaris longus
B. Flexor carpi radialis
C. Flexor digitorum profundus
D. Flexor carpi ulnaris (humeral head)
E. NONE

Answer 17

C. Flexor digitorum profundus

Question 18

The following originates from the lateral epicondyle of humerus, EXCEPT:

A. Extensor carpi radialis brevis
B. Extensor digitorum
C. Extensor digiti minimi
D. Extensor carpi ulnaris
E. Anconeus
F. NONE

Answer 18

F. NONE

Question 19

TRUE OR FALSE: Flexor carpi radialis inserts at the bases of second and third metacarpal bones

Answer 19

TRUE

Question 20

Determine if the statement below is correct. Otherwise, determine which word makes it incorrect.

Flexor carpi ulnaris

Origin:
Humeral Head - Medial epicondyle of humerus
Ulnar Head - Lateral aspect of coracoid process and posterior border of ulna

Answer 20

1. Ulnar Head - Lateral aspect of coracoid process

CORRECT ORIGIN:
Ulnar Head: Medial aspect of olecranon process and posterior border of ulna

Question 21

Determine if the statement below is correct. Otherwise, determine which word makes it incorrect.

Flexor digitorum superficialis

Origin:
Humeroulnar Head - Medial epicondyle of humerus; medial border border of coronoid process of ulna
Radial Head - Oblique line on anterior surface of shaft of radius

Insertion: Middle phalanx of medial four fingers

Answer 21

The statement is correct.

Question 22

The Flexor pollicis longus inserts at the _____ phalanx of thumb

Answer 22

distal

Question 23

Determine the following INSERTION of the muscles below.

1. Distal phalanges of medial four fingers
2. Posterior surface of base of third metacarpal bone
3. Anterior surface of shaft of radius
4. Base of styloid process of radius
5. Posterior surface of base of second metacarpal bone

A. Pronator quadratus
B. Brachioradialis
C. Extensor carpi radialis longus
D. Flexor digitorum profundus
E. Extensor carpi radialis brevis

Answer 23

1. D
2. E
3. A
4. B
5. C

Question 24

Where does the Extensor digitorum insert?

Answer 24

Middle and distal phalanges of medial four fingers

Question 25

Determine the INSERTION of the following muscles. 1. Extensor expansion of index finger 2. Lateral surface of olecranon process of ulna 3. Extensor expansion of little finger 4. Base of fifth metacarpal bone 5. Base of first metacarpal bone A. Extensor carpi ulnaris B. Extensor digiti minimi C. Abductor pollicis longus D. Extensor indicis E. Anconeus

Answer 25

1. D 2. E 3. B 4. A 5. C

Question 26

The Supinator originates from the (1)______ epicondyle of humerus, (2)____ ligament of proximal (3)_____ joint, and ulna

Answer 26

1. Lateral 2. annular 3. radioulnar

Question 27

Determine if the statement below is correct. Otherwise, determine which word makes it incorrect. Extensor pollicis longus Origin: Posterior surface of shaft of ulna Insertion: Base of distal phalanx of thumb

Answer 27

The statement is true.

Question 28

TRUE OR FALSE: Extensor indicis originates from the posterior surface of shaft of radius.

Answer 28

False. It is from the posterior surface of shaft of ulna

Question 29

Determine if the statement below is correct. Otherwise, determine which word makes it incorrect. Palmaris Brevis Origin: Flexor retinaculum, palmar aponeurosis Insertion: Skin of palm

Answer 29

The statement is correct

Question 30

Where do lumbricals insert?

Answer 30

Extensor expansion of medial four fingers

Question 31

Determine if which statement describe the following interossei. 1. First arises from base of first metacarpal; remaining three from anterior surface of shafts of second, fourth, and fifth metacarpals 2. Contiguous sides of shafts of metacarpal bones 3. Proximal phalanges of thumb and index, ring, and little fingers and dorsal extensor expansion of each finger 4. Proximal phalanges of index, middle, and ring fingers and dorsal extensor expansion A. Palmar interossei - origin B. Palmar interossei - insertion C. Dorsal interossei - origin D. Dorsal interossei - insertion

Answer 31

1. A 2. C 3. B 4. D

Question 32

The following originates from the flexor retinaculum, EXCEPT: A. Abductor digiti minimi B. Flexor pollicis brevis C. Opponens pollicis D. Opponens digiti minimi E. Flexor digiti minimi

Answer 32

A. Abductor digiti minimi

Question 33

TRUE OR FASE: Opponens pollicis inserts at the bases of metacarpal bone of thumb

Answer 33

False. It inserts at the shaft.

Question 34

Determine the ORIGIN of the following muscles. 1. clavicle, sternum, and upper six costal cartilages 2. third, fourth, and fifth ribs 3. first costal cartilage 4. upper eight ribs A. Subclavius B. Serratus anterior C. Pectoralis major D. Pectoralis minor E. None

Answer 34

1. C 2. D 3. A 4. B

Question 35

Determine if the statement below is correct. Otherwise, determine which word makes it incorrect. Latissimus dorsi Origin: Anterior superior iliac spine, lumbar fascia, spines of lower six thoracic vertebrae, lower three or four ribs, and superior angle of scapula

Answer 35

1. Anterior superior iliac spine 2. superior angle of scapula CORRECT Origin: **iliac crest**, lumbar fascia, spines of lower six thoracic vertebrae, lower three or four ribs, and **inferior** angle of scapula

Question 36

Determine the ORIGIN of the Biceps Brachii (Long head) A. Coracoid process of scapula B. Supraglenoid tubercle of scapula C. front of lower half of humerus D. Infraglenoid tubercle of scapula E. upper half of posterior surface of shaft of humerus

Answer 36

B. Supraglenoid tubercle of scapula

Question 37

Determine the ORIGIN of the Triceps Brachii (Lateral head) A. Coracoid process of scapula B. Supraglenoid tubercle of scapula C. front of lower half of humerus D. Infraglenoid tubercle of scapula E. upper half of posterior surface of shaft of humerus

Answer 37

E. upper half of posterior surface of shaft of humerus

Question 38

Determine the ORIGIN of the Brachialis A. Coracoid process of scapula B. Supraglenoid tubercle of scapula C. front of lower half of humerus D. Infraglenoid tubercle of scapula E. upper half of posterior surface of shaft of humerus

Answer 38

C. front of lower half of humerus

Question 39

Determine the INSERTION of the Teres major. A. greater tuberosity of humerus; capsule of shoulder joint B. middle of lateral surface of shaft of humerus C. medial lip of bicipital groove of humerus D. lesser tuberosity of humerus E. NONE

Answer 39

C. medial lip of bicipital groove of humerus

Question 40

3 SITS muscle inserts at the greater tuberosity of humerus and capsule of shoulder joint. Which muscles are they?

Answer 40

1. Supraspinatus 2. Infraspinatus 3. Teres minor

Question 41

The following inserts at the medial border of scapula, EXCEPT: A. Rhomboid Major B. Rhomboid Minor C. Levator Scapulae D. Latissimus dorsi

Answer 41

D. Latissimus dorsi

Question 42

Determine the INSERTION of the Serratus anterior. A. floor of bicipital groove of humerus B. clavicle C. medial border of scapula D. medial border and inferior angle of scapula E. NONE

Answer 42

D. medial border and inferior angle of scapula

Question 43

Determine the ORIGIN of the Teres major. A. lower third of lateral border of scapula B. upper two thirds of lateral border of scapula C. subscapular fossa D. infraspinous fossa of scapula E. supraspinous fossa of scapula

Answer 43

A. lower third of lateral border of scapula

Question 44

Determine the ORIGIN of the Supraspinatus. A. lower third of lateral border of scapula B. upper two thirds of lateral border of scapula C. subscapular fossa D. infraspinous fossa of scapula E. supraspinous fossa of scapula

Answer 44

E. supraspinous fossa of scapula

Question 45

Determine the ORIGIN of the Subscapularis. A. lower third of lateral border of scapula B. upper two thirds of lateral border of scapula C. subscapular fossa D. infraspinous fossa of scapula E. supraspinous fossa of scapula

Answer 45

C. subscapular fossa

Question 46

Determine the INSERTION of the following muscles below. 1. lateral lip of bicipital groove of humerus 2. lesser tuberosity of humerus 3. coracoid process of scapula 4. floor of bicipital groove of humerus 5. clavicle A. Pectoralis minor B. Pectoralis major C. Subclavius D. Subscapularis E. Latissimus dorsi

Answer 46

1. B 2. D 3. A 4. E 5. C

Question 47

Determine the ORIGIN of the following muscles. 1. upper two thirds of lateral border of scapula 2. coracoid process of scapula 3. infraglenoid tubercle of scapula 4. infraspinous fossa of scapula 5. lower half of posterior surface of shaft of humerus A. triceps (medial head) B. triceps (long head) C. biceps (short head) D. infraspinatus E. teres minor

Answer 47

1. E 2. C 3. B 4. D 5. A

Question 48

Determine if the statement below is correct. Otherwise, determine which word makes it incorrect. Deltoid Origin - medial third of clavicle, acromion, spine of scapula Insertion - middle of medial surface of shaft of humerus

Answer 48

CORRECT MOINA: Origin - **lateral** third of clavicle, acromion, spine of scapula Insertion - middle of **lateral** surface of shaft of humerus

Question 49

Determine the INSERTION of the triceps brachii A. infraglenoid tubercle of scapula B. tuberosity of radius and bicipital aponeurosis into deep fascia of arm C. olecranon process of ulna D. coronoid process of ulna E. Medial aspect of shaft of humerus

Answer 49

C. olecranon process of ulna

Question 50

Determine the INSERTION of the biceps brachii A. infraglenoid tubercle of scapula B. tuberosity of radius and bicipital aponeurosis into deep fascia of arm C. olecranon process of ulna D. coronoid process of ulna E. Medial aspect of shaft of humerus

Answer 50

B. tuberosity of radius and bicipital aponeurosis into deep fascia of arm

Question 51

Determine the INSERTION of the Brachialis A. infraglenoid tubercle of scapula B. tuberosity of radius and bicipital aponeurosis into deep fascia of arm C. olecranon process of ulna D. coronoid process of ulna E. Medial aspect of shaft of humerus

Answer 51

D. coronoid process of ulna

Question 52

Determine the INSERTION of the Coracobrachialis A. infraglenoid tubercle of scapula B. tuberosity of radius and bicipital aponeurosis into deep fascia of arm C. olecranon process of ulna D. coronoid process of ulna E. Medial aspect of shaft of humerus

Answer 52

E. Medial aspect of shaft of humerus

Question 53

Determine the ORIGIN of the following muscles. 1. second to fifth thoracic spines 2. ligamentum nuchae and spines of seventh cervical and first thoracic vertebrae 3. Coracoid process of scapula 4. transverse processes of first four cervical vertebrae 5. occipital bone, ligamentum nuchae, spine of seventh cervical vertebra, spines of all thoracic vertebrae A. Levator Scapulae B. Coracobrachialis C. Rhomboid Minor D. Trapezius E. Rhomboid Major

Answer 53

1. E 2. C 3. B 4. A 5. D

Question 54

The upper fibers of the Trapezius muscle inserts into the lateral third of the (1)_____, while its middle and lower fibers inserts into the (2)______ and (3)______ of scapula.

Answer 54

1. clavicle 2. acromion 3. spine