Anterior Compartment of Arm

Question 1

Anterior compartment of arm muscles act on

Answer 1

Elbow and Superior Radio-Ulnar Joint

Question 2

What are the 3 main muscles of ant compartment of arm?

Answer 2

Biceps Brachii, Brachialis and Coracobrachialis

Question 3

What Is the most superficial muscle of ant compartment of arm

Answer 3

Biceps Brachii

Question 4

Biceps Brachii arises from

Answer 4

Scapula via two heads

Question 5

Biceps brachii tendon inserts onto

Answer 5

Radial Tuberosity

Question 5

Biceps brachii tendon inserts onto

Answer 5

Radial Tuberosity

Question 6

Short head of biceps muscle originates from

Answer 6

Coracoid Process of Scapula

Question 7

Long head of biceps muscle originates from

Answer 7

Supraglenoid Tubercle of Scapula

Question 8

Biceps tendon runs down where?

Answer 8

Bicipital Groove of Humerus

Question 9

Biceps Brachii action

Answer 9

Flexes shoulder and elbow

Question 10

Biceps action at superior radio ulnar joint

Answer 10

Pronation where radius rotates over Ulna

Question 11

The coracobrachialis origin

Answer 11

Tip of Coracoid Process

Question 12

Coracobrachialis insertion

Answer 12

Medial mid shaft of humerus

Question 13

Coracobrachialis action

Answer 13

Flex arm at shoulder

Question 14

Brachialis muscle arises from

Answer 14

Ant surface of distal shaft of humerus

Question 15

Brachialis attachment

Answer 15

Coracoid Process of Ulna

Question 16

Brachialis muscle action

Answer 16

Flex elbow

Question 17

Musculocutaneous Nerve arises as

Answer 17

Terminal branch from lateral cord of brachial plexus

Question 18

Main nerve of ant compartment of arm

Answer 18

Musculocutaneous Nerve

Question 19

What nerve supplies all muscles in ant compartment of arm

Answer 19

Musculocutaneous Nerve

Question 20

Musculocutaneous Nerve enters arm by

Answer 20

perforating the coracobrachialis, descending distally between the biceps brachii and brachialis muscles. After crossing the elbow joint it gives off its terminal branch to supply the skin as the lateral cutaneous nerve of the forearm.

Question 21

Segmental or root value of musculocutaneous nerve

Answer 21

C5 to C7

Question 22

Does the musculocutaneous nerve supply any muscles in the forearm or hand?

Answer 22

Brachialis, Biceps Brachii and Coracobrachialis

Question 23

Anterior compartment of arm actions

Answer 23

Flexors of Wrist and Digits and Pronation of Forearm

Question 24

Pronation of forearm at Radio-Ulnar Joint is caused by what compartment of arm

Answer 24

Anterior Compartment

Question 25

The medial epicondyle of humerus acts as

Answer 25

Common flexor origin for superficial and intermediate flexors

Question 26

The palmar is longus is a muscle which is absent in what percentage of people

Answer 26

20%

Question 27

Action of pronator teres

Answer 27

Pronation of forearm and weak elbow flexion

Question 28

Action of pronator teres

Answer 28

Pronation of forearm and weak elbow flexion

Question 29

Apart from flexing the wrist, which superficial muscle is involved in adduction (ulnar deviation) of the wrist joint?

Answer 29

flexor carpi ulnas

Question 30

Apart from flexing the wrist, which superficial muscle is involved in abduction (radial deviation) of the wrist joint?

Answer 30

flexor carpi radialis

Question 31

Flexor Digitorum Superficialis lies where

Answer 31

deep to superficial group of flexors in forearm

Question 32

which muscle is seen as only muscle on immediate group of forearm

Answer 32

flexor digitorum superficialis

Question 33

The flexor digitorum superficially gives rise to

Answer 33

4 tendons

Question 34

To which digits (fingers) are the 4 tendons of FDS attached?

Answer 34

Middle Phalanges of Four Fingers

Question 35

On which phalanx are the 4 tendons of FDS attached

Answer 35

Palmar Surfaces of distal phalanges of digits 2-5

Question 36

The flexor digitorum superficially flexes

Answer 36

Wrist, Metacarpophalangeal and Proximal Interphalangeal Joints

Question 37

What nerve innervates flexor digitorum superficialis

Answer 37

Median

Question 38

Where does the brachioradialis act

Answer 38

Elbow

Question 39

Main action of brachioradialis

Answer 39

Flex elbow

Question 40

nerve which innervates brachioradialis

Answer 40

radial nerve

Question 40

nerve which innervates brachioradialis

Answer 40

radial nerve

Question 41

The radial nerve only innervates

Answer 41

extensor muscles

Question 41

The radial nerve only innervates

Answer 41

extensor muscles

Question 42

which muscle is the exception to the rule that all flexors lie in anterior compartment?

Answer 42

brachioradialis

Question 43

The flexor digitorum Profundus is in relation to?

Answer 43

Ulna

Question 44

The flexor pollicis longus is in relation to

Answer 44

Radius

Question 45

The pronator quadrates which is closely related to

Answer 45

distal parts of both bones

Question 46

Where does the Flexor Digitorum Profundus lie

Answer 46

Deeply in front of forearm

Question 47

What is the main action of flexor digitorum profundus on wrist and finger joints

Answer 47

flexes digital interphalngeal joint of digits 2,3 , 4 and 5 assists with wrist flex

Question 48

the flexor digitorum profundus innervation

Answer 48

ulnar and median

Question 49

which part of flexor digitorum profundus is supplied by ulnar nerve

Answer 49

medial part: ulnar nerve c8 and t1

Question 50

which part of flexor digitorum profundus is supplied by median nerve

Answer 50

lateral part: median nerve c8 and t1

Question 50

which part of flexor digitorum profundus is supplied by median nerve

Answer 50

lateral part: median nerve c8 and t1

Question 51

What is the long flexor of thumb

Answer 51

Flexor Pollicis Longus

Question 52

Which nerve innervates Flexor Pollicis Longus?

Answer 52

Median Nerve

Question 53

Innervation of Pronator Quadratus

Answer 53

Ant Interosseous Nerve from Median Nerve C8 and T1