MSK anatomy

Question 1

what is the innervation of the anterior compartment of the forearm?

Answer 1

median nerve

median flexor digitorum profundus and flexor carpi ulnaris=ulnar nerve ulnaris= ulnar nerve=]

Question 2

action of anterior forearm muscles?

Answer 2

flexion at the wrist

Question 3

name the 4 layers of anterior compartment of the forearm?

Answer 3

Superficial-Pronator teres, Flexor carpi radialis, palmaris longus, flexor carpi ulnaris
2-flexor digitorum superficialis
3-flexor digitorum profundus, flexor pollicis longus
4-pronator quadratus

Question 4

What flexes the mcp and pip joints?

Answer 4

flexor digitorum superficialis

Question 5

what flexes the DIP joints?

Answer 5

flexor digitorum profundus

Question 6

Describe the positioning of the forearm bones?

Answer 6

radial bones= near the thumb, pinky= ulna bone

Question 7

Name the anterior arm muscles and their innervation?

Answer 7

Biceps Brachii, Brachiallis, Corachobrachiallis= musculocutaneous nerve

Question 8

origins of the bbc

Answer 8

biceps brachii=long head is the supraglenoid tubercle of scpaula.
Short head- coracoid process of scapula
Corachobrachiallis=coracoid process of scapula
brachiallis= lower half of anterior humerus