Forearm Muscles

Question 1

What is between ulna and radius

Answer 1

Interosseus membrane

Question 2

Interosseous membrane

Answer 2

Between ulna and radius

Question 3

What provides attachment to the forearm flexors

Answer 3

Medial epicondyle and supra-epicondylar ridge

Question 4

What provides attachment to the forearm extensors

Answer 4

Lateral formations (epicondyle)

Question 5

What type of forearm muscles lay anteriorly (movement)

Answer 5

Flexors and pronators

Question 6

What nerve serves flexors and pronators

Answer 6

Median and ulnar nerves

Question 7

What type of forearm muscles lay posteriorly (movement)

Answer 7

Extensors and Supinators

Question 8

What nerve serves extensors and supinators

Answer 8

Radial nerve

Question 9

Through what anterior compartment and a central compartment of the palm communicate

Answer 9

Carpal tunnel

Question 10

What holds tendons of the flexor muscles in place

Answer 10

Palmar carpal ligament and flexor retinaculum

Question 11

Three groups of the flexor/pronator muscles

Answer 11

1.superficial
2.intermediate
3.deep layer

Question 12

Four muscles of the superficial layer (flexor-pronator muscles)

Answer 12

1.pronator teres
2.flexor carpi radius
3.palmaris longus
4.flexor carpi ulnaris

Question 13

Muscle of the intermediate layer (flexor-pronator muscles)

Answer 13

Flexor digitorum superficialis

Question 14

Three muscles of the deep layer (flexor-pronator muscles)

Answer 14

1.flexor digitorum profundus
2.flexor pollicis longus
3.pronator quadratus

Question 15

Flexor of the forearm that is located in the posterior part

Answer 15

Brachioradialis

Question 16

What nerve supllies brachioradialis

Answer 16

Radial nerve

Question 17

What do Flexor digitorum superficialis/Flexor digitorum profund flex

Answer 17

metacarpophalangeal and wrist joints

Question 18

Long flexors of the digits

Answer 18

Flexor digitorum superficialis
Flexor digitorum profund

Question 19

What exactly does flexor digitorum superficialis flex

Answer 19

Middle phalanges

Question 20

What exactly does flexor digitorum profund

Answer 20

Medial part-Distal phalanges at 4th and 5th
Lateral part-2nd and 3rd

Question 21

Proximal attachment of the FDS

Answer 21

Medial epicondyle (humero-ulnar head)
Superior half of the anterior border (radial head)

Question 22

Distal attachments of the FDS

Answer 22

Shafts of middle phalanges of medial 4 finger

Question 23

Proximal attachment of the FDP

Answer 23

Three quarters of medial and anterior surface of ulna

Question 24

Distal attachment of FDP

Answer 24

Bases of distal phalanges
Medial-4th and 5th
Lateral-2nd and 3rd

Question 25

Innervation of FDS

Answer 25

Median nerve

Question 26

Innervation of FDP

Answer 26

Ulnar nerve

Question 27

Proximal attachment of pronator teres

Answer 27

Ulnar head-coronoid process Humeral head-epicondyle of humerus

Question 28

Distal attachment of pronator teres

Answer 28

Lateral surface of radius (middle of convexity)

Question 29

Innervation of Pronator teres

Answer 29

Median nerve

Question 30

Main action of pronator teres

Answer 30

Pronates and flexes forearm

Question 31

Main action of flexor carpi radialis

Answer 31

Flexion and abduction of the wrist

Question 32

Proximal attachment of flexor carpi radialis

Answer 32

Medial epicondyle

Question 33

Distal attachment of flexor carpi radialis

Answer 33

Base of 2nd metacarpal

Question 34

Innervation of FCR

Answer 34

Median nerve

Question 35

Proximal attachment of Palmaris Longus

Answer 35

Medial epicondyle

Question 36

Distal attachment of Palmaris Longus

Answer 36

Distal half of flexor retinaculum and apex of palmar aponeurosis

Question 37

Innervation of Palmaris Longus

Answer 37

Median nerve

Question 38

Main action of palmaris longus

Answer 38

Flexes hand and tenses palmar aponeurosis

Question 39

Whit help of what muscle does Flexor Carpi Ulnaris flexes the wrist

Answer 39

Flexor carpi radialis

Question 40

Whit help of what muscle does Flexor Carpi Ulnaris adducts the wrist

Answer 40

Extensor Carpi Ulnaris

Question 41

Why is FCU exceptional muscle of anterior compartment

Answer 41

The only muscles that is fully innervated by ulnar nerve

Question 42

Proximal attachment of the FCU

Answer 42

Medial Epicondyle and Olecranon and posterior border of ulna

Question 43

Distal attachment of FCU

Answer 43

Pisiform Hook of hamate 5th metacarpal

Question 44

Innervation of FCU

Answer 44

Ulnar nerve

Question 45

Main action of FCU

Answer 45

Flexion and abduction of hand

Question 46

Proximal attachment of pronator quadratus

Answer 46

Distal quarter of anterior surface of Ulna

Question 47

Distal attachment of pronator quadratus

Answer 47

Distal quarter of anterior surface of radius

Question 48

Innervation of pronator quadratus

Answer 48

Anterior interosseous nerve/median nerve

Question 49

Main action of pronator quadratus

Answer 49

Pronates forearm Deep fibers bind ulna and radius together

Question 50

Proximal attachment of Flexor Pollicis Longus

Answer 50

Anterior surface of radius Interosseous membrane

Question 51

Distal attachment of Flexor Pollicis Longus

Answer 51

Base of distal phalanx of thumb

Question 52

Innervation of Flexor Pollicis Longus

Answer 52

Anterior interosseous nerve Median nerve

Question 53

Main action of Flexor Pollicis Longus

Answer 53

Flexes phalanges ant 1st digit