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Exam 6 A&P

Origin-Insertion-Action-Innervation of forarm flexors

QuestionAnswer
Origin of Pronator quadratus Anterior surface of the ulna (distal quarter)
Insertion of Pronator quadratus Anterior surface of the radius (distal quarter)
Action of Pronator quadratus Forearm pronation and binding of the radius and ulna
Innervation of Pronator quadratus Anterior interosseous nerve
Origin of Flexor pollicis longus Anterior surface of the radius and interosseous membrane
Insertion of Flexor pollicis longus Base of the distal phalanx of the thumb
Action of Flexor pollicis longus Flexion of the phalanges of the thumb
Innervation of Flexor pollicis longus Anterior interosseous nerve
Origin of Flexor digitorum profundus Proximal parts of the anterior and lateral surfaces of the ulna and interosseous membrane
Insertion of Flexor digitorum profundus Bases of the phalanges of the 4th and 5th digits (medial part), bases of the phalanges of the 2nd and 3rd digits (lateral part)
Action of Flexor digitorum profundus Flexion of the distal phalanges at the interphalangeal joints of the 4th and 5th digits (medial part) and of the 2nd and 3rd digits (lateral part)
Innervation of Flexor digitorum profundus Ulnar nerve (medial part), anterior interosseous nerve (lateral part)
Origin of Flexor digitorum superficialis Medial epicondyle of the humerus and coronoid process of the ulna (humero-ulnar head) and superior half of anterior border (ulnar head)
Insertion of Flexor digitorum superficialis Shafts of middle phalanges of medial four digits
Action of Flexor digitorum superficialis Flexion of middle phalanges at proximal interphalangeal joints and flexion of the proximal phalanges at the metacarpophalangeal joints of the middle four digits
Innervation of Flexor digitorum superficialis Median nerve
Origin of Flexor carpi radialis muscle medial epicondyle of the humerus (common flexor tendon)
Insertion of Flexor carpi radialis muscle bases of 2nd metacarpal bone
Action of Flexor carpi radialis muscle flexion and abduction of the hand at the wrist joint
Innervation of Flexor carpi radialis muscle median nerve
Origin of Flexor carpi ulnaris muscle humeral head (medial epicondyle of the humerus), ulnar head (olecranon and posterior border of the ulna)
Insertion of Flexor carpi ulnaris muscle pisiform bone, hook of hamate bone, base of the 5th metacarpal bone
Action of Flexor carpi ulnaris muscle flexion and adduction of the hand at the wrist
Innervation of Flexor carpi ulnaris muscle ulnar nerve
Origin of Palmaris longus Medial epicondyle of the humerus (common flexor tendon)
Insertion of Palmaris longus Flexor retinaculum and palmar aponeurosis
Action of Palmaris longus Flexion of the hand at the wrist joint
Innervation of Palmaris longus Median nerve
Origin of Pronator teres Medial epicondyle of the humerus (humeral head), coronoid process of the ulna (ulnar head)
Insertion of Pronator teres Lateral side of the radius
Action of Pronator teres Pronation of forearm, flexion of elbow
Innervation of Pronator teres Median nerve
Memorize the superficial forearm flexors using the following mnemonic! 'Pass/Fail, Pass/Fail, Fail' Pronator teres Flexor carpi radialis Palmaris longus Flexor carpi ulnaris Flexor digitorum superficialis
Created by: JML19
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