Forearms/Hands Flashcards
Brachialis Actions, Origin, Insertion & Nerve Innervation
Origin - Anterior distal half of humerus
Insertion - Tuberosity & Coronoid process of ulna
Action - Flex elbow
Nerve Innervation - Musculocutaneous, small branch from radial C5&6
Action, Origin, Insertion, & Never Innervation for Brachioradialis
Origin - Proximal 2/3 of lateral supracondylar ridge of humerus
Insertion - Styloid process of radius
Action - Flex elbow
Nerve Innervation - Radial C5&6
Extensor Carpi Radialis Longus Action, Origin, Insertion & Nerve Innervation
Action - Extend & Abduct wrist
Origin - Distal 1/3 of lateral supracondylar ridge of humerus
Insertion - Base of second metacarpal
Nerve Innervation - Radial C5,6,7&8
Action, Origin, Insertion & Nerve Innervation of Extensor Carpi Radialis Brevis
Origin - Common extensor tendon from lateral epicondyle of humerus
Insertion - Base of 3rd metacarpal
Action - Extend & Abduct wrist
Nerve Innervation - Radial C6,7&8
Extensor Carpi Ulnaris Origin, Insertion, Action & Never Innervation
Origin - Common extensor tendon from the lateral epicondyle of the humerus
Insertion - Base of 5th metacarpal
Action - Extend & Adduct the wrist
Nerve Innervation - Radial C6,7&8
Origin, Insertion, Action & Never Innervation for Extensor Digitorum
Origin - Common extensor tendon from lateral epicondyle of humerus
Insertion - Bases of middle & distal phalanges of 2nd through 5th fingers
Action - Extend 2nd through 5th fingers
Never Innervation - Radial C6,7&8
Anconeus Origin, Insertion, Action & Never Innervation
Origin - Lateral epicondyle of humerus
Insertion - Olecranon process & posterior proximal surface of ulna
Action - Extend elbow
Nerve Innervation - Radial C7&8
Extensor Indisic Origin, Insertion, Action & Never Innervation
Origin - Posterior surface of distal shaft of ulna & interosseous membrane
Insertion - Tendon of the extensor digitorum at the level of the 2nd metacarpal
Action - Extend & Adduct
Nerve Innervation - Radial C6,7&8
Flexor Carpi Radialis Origin, Insertion, Action & Never Innervation
Origin - Common flexor tendon from medial epicondyle of humerus
Insertion - Base of 2nd & 3rd metacarpal
Action - Flex & Abduct wrist
Never Innervation - Median C6,7&8
Origin, Insertion, Action & Never Innervation for Palmaris Longus
Origin - Common flexor tendon from medial epicondyle of humerus
Insertion - Flexor retinaculum & palmar aponeurosis
Action - Tense palmar fascia & Flex wrist
Nerve Innervation - Median C6,7,8&T1
Flexor Carpi Ulnaris Origin, Insertion, Action & Never Innervation
Origin - (Humeral head) Common flexor tendon from medial epicondyle of humerus (Ulnar head) Posterior surface of proximal 2/3 of ulna
Insertion - Pisiform, hook of Hamate & base of 5th metacarpal
Actions - Flex & Adduct the wrist
Never Innervation - Ilnar C7,8&T1
Origin, Insertion, Action & Never Innervation for Flexor Digitorum Superficialis
Origin - Common flexor tendon from medial epicondyle of humerus, Ulnar collateral ligament, Coronoid process of ulna, interosseous membrane & proximal shaft of radius
Insertion - Side of middle phalanges of 2nd through 5th fingers
Actions - Flex the wrist & 2nd through 5th fingers
Never Innervation - Median C7,8&T1
Flexor Digitorum Profundus Origin, Action, Insertion & Never Innervation
Origin - Anterior & Medial surface of proximal 3/4 of Ulna
Insertion - Bases of distal phalanges & palmar surface of 2nd through 5th fingers
Action - Flex 2nd through 5th fingers
Never Innervation - (2nd&3rd fingers) Median C7,8&T1 (4th&5th fingers) Ulnar C7,8&T1
Pronator Teres Origin, Insertion, Action & Never Innervation
Origin - Common flexor tendon from medial epicondyle of humerus & Coronoid process of Ulna
Insertion - Middle of lateral surface of radius
Action - Pronate the forearm
Never Innervation - Median C6&7
Origin, Insertion, Action & Never Innervation for Pronator Quadratus
Origin - Medial anterior surface of distal ulna
Insertion - Lateral anterior surface of radius
Action - Pronates the forearm
Never Innervation - Median C7,8&T1
Origin, Insertion, Action & Never Innervation for Supinator
Origin - Lateral epicondyle of humerus, Radial collateral ligament, annular ligament & supinator crest of ulna
Insertion - Anterior lateral surface of proximal 1/3 of radial shaft
Action - Supinates the forearm
Never Innervation - Radial C5,6&7
Abductor Pollicis Longus Origin, Insertion, Action & Never Innervation
Origin - Posterior surface of radius & ulna & interosseous membrane
Insertion - Base of 1st metacarpal
Action - Extends the thumb & Abducts both thumb & wrist
Nerve Innervation - Radial C6,7&8
Action, Origin, Insertion & Nerve Innervation for Extensor Pollicis Longus
Origin - Posterior surface of Ulna & interosseous membrane
Insertion - Base of distal phalanx of thumb
Action - Extend thumb & Abduct the wrist
Nerve Innervation - Radial C6,7&8
Never Innervation, Origin, Action & Insertion for Extensor Pollicis Brevis
Action - Extend thumb & Abduct wrist
Nerve Innervation - Radial C6,7&8
Origin - Posterior surface of radius & interosseous membrane
Insertion - Base of proximal phalanx of thumb
Flexor Pollicis Longus Never Innervation, Origin, Action & Insertion
Origin - Anterior surface of radius & interosseous membrane
Insertion - Base of distal phalanx of thumb
Never Innervation - Median C6,78&T1
Actions - Flex thumb
Abductor Pollicis Brevis Origin, Action, Nerve Innervation & Insertion
Origin - Flexor retinaculum, Trapezium & Scaphoid tubercles
Insertion - Base of proximal phalanx of thumb
Action - Abduct thumb
Never Innervation - Median C6,7,8&T1
Origin, Action, Nerve Innervation & Insertion for Flexor Pollicis Brevis
Origin - (Superficial head) Flexor retinaculum (Deep head) Trapezium, Trapezoid & Capitate
Insertion - Base of proximal phalanx of thumb
Action - Flex thumb
Nerve Innervation - (Superficial head) Median C6,7,8&T1 (Deep head) Ulnar C8&T1
Action, Origin, Insertion & Nerve Innervation of Opponens Pollicis
Origin - Flexor retinaculum & Tubercle of Trapezium
Insertion - Length of radial side of thumb
Action - Opposition
Nerve Innervation - Median C6,7,8&T1
Action, Origin, Insertion & Nerve Innervation for Adductor Pollicis
Origin - Capitate & 2nd&3rd metacarpals
Insertion - Base of proximal phalanx of thumb
Action - Adduct the thumb
Nerve Innervation - Ulnar C8&T1
