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DAA LAB PRACTICAL 2 QUESTIONS WITH COMPLETE SOLUTIONS
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DAA LAB PRACTICAL 2 QUESTIONS WITH COMPLETE SOLUTIONS
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DAA LAB PRACTICAL 2 QUESTIONSWITH COMPLETE SOLUTIONS
Origin of flexor carpi radialis m.
Medial epicondlye of humerus
Insertion of flexor carpi radialis m.
Base of the 2nd and 3rd metacarpals
Action of flexor carpi radialis m
Flex and abducts (radial deviation) the hand at the carpus (wrist
flexor,m abducts the hand)
What is the nerve innervation for flexor carpi radialis m?
Median nerve
What are the nerve roots for flexor carpi radialis m?
C6, 7, 8, T1
What is the origin of the Palmaris longus m?
Medial epicondyle of humerus
What is the insertion of palmaris longus m?
Palmar aponeurosis
What is the action of Palmaris longus m?
,Flex the carpus (wrist flexion)
What is the nerve innervation for palmaris longus m?
Median n.
What are the nerve roots for palmaris longus m?
C6,7,8 T1
What is the common origin for the flexor muscles of the carpus
and digits?
Medial epicondyle of the humerus
Primarily located on the anterior aspect of the forearm
What is the origin of the flexor carpi ulnaris m?
Humeral head= medial epicondyle of humerus
Ulnar head= olecranon and posterior border of ulna
What is the insertion of the flexor carpi ulnaris m?
5th metacarpal and carpals (pisiform and hamulus of hamate)
What is the nerve innervation of flexor carpi ulnaris m?
Ulnar nerve
What are the nerve roots for flexor carpi ulnaris m?
C8, T1
What is the action flexor carpi ulnaris m?
Flex and adducts (ulnar deviation) wrist
,What is the origin of the flexor digitorum superficialis m?
Numerous articles head= medial epicondyle of humerus,
coronoid process of ulnar. Ulnar collateral ligament
Radial head=superior 1/2 anterior surface of radius
What is the insertion of flexor digitorum superficialis m?
Palmar aspect of middle phalanx of digits 2-5 (proximal aspect)
lateral tubercles
What is the nerve innervation of flexor digitorum superficialis
m?
Median nerve
What are the nerve roots of flexor digitorum superficialis m?
C6,7,8 T1
What is the action for flexor digitorum superficialis m?
Flex carpus, flex digits at metacarpophalngeal joint and the
proximal interphalangeal joint
What is the origin of flexor digitorum profundus m?
Proximal anterior ulna and interosseous membrane
What is the insertion of the flexor digitorum profundus m?
Tendons pass through the tendons of the FDS to insert on bases
of distal phalanges of digits 2-5
What is the nerve innervation of flexor digitorum profundus m?
, Median and ulnar nerve
What are the nerve roots of the flexor digitorum profundus m?
Median (C6,7,8 T1) ulnar nerve (C8, T1)
What is the action of flexor digitorum profundus m?
Flex carpus, metacarpophalangeal joint and interphalangeal joint
What are common origins of the extensor muscles of the carpus
and digits?
Lateral epicondyle of the humerus
Primarily located on the posterior aspect of the forearm
They are ALL innervated by the radial nerve
What is the origin for the extensor carpi radialus m?
Lateral surpracondylar ridge of humerus
What is the insertion of the extensor carpi radialus m?
Posterior aspect base of 2nd metacarpal
What is the action of the extensor carpi radialus m?
Extends and abducts wrist (radial deviation)
What is the nerve innervation of the extensor carpi radialus m?
Radial nerve
What are the nerve roots for extensor carpi radialus m?
C5,6,7,8 T1
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