Forearm

Question 1

How many muscles are present in front of forearm ?

Answer 1

8 (5 superficial and 3 deep)

Question 2

How many nerves in front part of forearm ?

Answer 2

2 ( Radial and Ulnar artery)

Question 3

How many nerves in front part of forearm?

Answer 3

3( median, radial and ulnar nerve)

Question 4

What is called common flexor origin ?

Answer 4

Medial epicondyl of humerus

Question 5

Which are the superficial muscles of front of the forearm?

Answer 5

Lateral to medial side (PFPFF)
1. Pronator teres
2.Flexor carpi radialis
3.Palmaris Longus
4.Flexor digitorum superficialis
5.Flexor carpi ulnaris

Question 6

Smallest superficial flexor muscle of forearm ?

Answer 6

Pronator teres

Question 7

Origin of pronator muscle

Answer 7

Superficial (humeral) head - medial epicondyl of humerus
Deep(ulnar) head -medial margin of the coronoid process of ulna

Question 8

Insertion of pronator teres muscle?

Answer 8

Middle one-third of the lateral surface of radius.

Question 9

Nerve supply of pronator teres?

Answer 9

Median nerve

Question 10

Action of pronator teres?

Answer 10

Flexion of elbow

Question 11

Course of medial nerve

Answer 11

Passes between two heads of pronator teres.

Question 12

Course of ulnar artery

Answer 12

Passes deep to the deep head of pronator teres, thus ulnar artery is seperated from median nerve by the deep head of the pronator teres in the region of cubital fossa.

Question 13

Origin of Flexor carpi radialis

Answer 13

Medial condyle of the humerus

Question 14

Insertion of FCR

Answer 14

Anterior aspect of bases of 2nd and 3rd metacarpals

Question 15

Nerve supply of FCR

Answer 15

Median nerve

Question 16

Action of FCR

Answer 16

1.Flexion of wrist
2.Abductio of wrist

Question 17

Origin of Palmaris Longus

Answer 17

Medial epicondyl of humerus

Question 18

Insertion of Palmaris Longus

Answer 18

Palmar aponeurosis of hand

Question 19

Nerve supply of Palmaris Longus

Answer 19

Median nerve

Question 20

Action of Palmaris Longus

Answer 20

Wrist flexion

Question 21

Origin and insertion of flexor digitorum superficialis

Answer 21

O- humeroulnar head- medial epicondyl of humerus and coronoid process of ulna
I- 4 tendons that insert on the palmar aspect of middle phalanges of 2nd to 5th digit

Question 22

Nerve supply of FDS

Answer 22

Median nerve

Question 23

Action of FDS

Answer 23

Flexion of proximal interphalangeal joint, metacarpophalangeal joint and wrist.

Question 24

Origin and insertion of flexor carpi ulnaris

Answer 24

O-Humeral head- medial epicondyl of humerus
Ulnar head- posterior border of ulna and olecranon.
I-pisifrom bone

Question 25

Nerve supply of flexor carpi ulnaris

Answer 25

Ulnar nerve

Question 26

Action of FCU

Answer 26

Flexion and adduction of wrist