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31 Cards in this Set
- Front
- Back
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Brachialis |
(deep to biceps, humerus to ulna) O: Distal 1/2 of anterior surface of humerus I: ulnar tuberosity and coronoid process A: Flex the elbow N: Musculocutaneous, small branch from radius C5,6 |
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Brachioradialis |
(humerus to radius, drinker's muscle) O: Lateral supracondylar ridge to the humerus I: Styloid process of the radius A: flex the elbow, assists in pronation and supination of the forearm when these movements are resisted N: Radial C5,6 |
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Anconeus |
(Elbow extensors, humerus to ulna, true synergist of triceps) O: Posterior surface of the lateral epicondyle of the humerus I: lateral surface of the olecranon process, proximal, posterior shaft of the ulna A: Extends the elbow, humeroulnar joint N: Radial Nerve |
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Extensor Carpi Radialis Longus |
(Extensors of the forearm) O: Lateral supercondylar ridge of the humerus I: Base of second Metacarpal A: Extends the wrist, abducts the hand and wrist N: Radial |
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Extensor Carpi Radialis Brevis |
(Extensors of the forearm) O: Lateral epicondyle of the humerus I: Base of the 3rd Metacarpal A: Extends the wrist and abducts the wrist and hand N: Radial |
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Extensor Digitorum(communis) |
(Extensors of the forearm) O: Common extensor tendon from the lateral epicondyle of the humerus I: Bases of middle and distal phalanges of 2nd-5th fingers A: Extends the 4 fingers, assists in extension of the wrist N: Radial |
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Extensor Carpi Ulnaris |
(Extensors of the forearm) O: Common extensor tendon from the lateral epicondyle of the humerus I: Base of the 5th metacarpal A: Extend and adduct the wrist N: Radial |
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Flexor Carpi Radialis |
(Flexors of the forearm) O: Common flexor tendon from medial epicondlye of humerus I: Base of 2nd and 3rd metacarpal A: flexes and abducts the wrist, flexes the elbow N: Median |
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Palmaris Longus |
(Flexors of the forearm) O: Common flexor tendon from medial epicondyle of the humerus I: Flexor retinaculum and palmar aponeurosis A: Tenses palmar fascia, flexes the wrist and elbow N: Median |
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Flexor Carpi Ulnaris |
(Flexors of the forearm) O: Common flexor tendon from medial epicondyle of the humerus, medial margin of the olecranon process of ulna, upper 2/3 of posterior border of ulna I: pisiform, hook of hamate, base of the 5th metacarpal A: Flexes and adducts the wrist, may flex elbow N: Ulnar (through tunnel of gullon) |
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Flexor Digitorum Superficialis |
(Flexors of the forearm) O: Common flexor tendon from the medial epicondlye of humerus, coronoid process of the ulna, anterior surface of the shaft of the radius I: By 4 tendons into the sides of the middle phalanges of digits 2-5 A: Flex digits 2-5 and wrist N: Median |
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Flexor Digitorum Profundus |
(Flexors of the forearm) O: Anterior and medial surfaces of the proximal 3/4 of the ulna I: By 4 tendons into the bases of the distal phalanges, anterior surface of digits 2-5 A: Flex distal phalynx 2-5, flex wrist N: Median Nerve and Ulnar Nerve |
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Pronator Teres |
O: Medial epicondlye of the humerus, coronoid process of the ulna I: Middle lateral surface of radius A: Pronates forearm, assists to flex the elbow N: Median |
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Pronator Quadratus |
(Has 4 sides, like flexors) O: Anterior surface of the distal pat of the shaft of the ulna I: Anterior and lateral surfaces of the distal shaft of the radius A: Pronates forearm N: Median |
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Supinator |
O: Lateral epicondyle of the humerus, radial collateral ligament and annular ligament, proximal shaft of radius I: Lateral surface of the proximal shaft of the radius A: Supinates foreram N: Radial |
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Opponens Pollicis |
(Thenar Eminence, muscle of the thumb) O: Flexor retinaculum and tubercle of the trapezium I: Entire length of the 1st metacarpal, radial side A: Opposition of thumb N: Median |
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Adductor Pollicus |
(Thenar Eminence, muscle of the thumb) O: Capitate, 2nd and 3rd metacarpals I: Base of the proximal phalange of the thumb A: Adducts the thumb N: Ulnar |
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Extensor Pollicis Longus |
(Muscle of the thumb) O: Posterior surface of the ulna, deep to the extensors I: Base of distal phalynx of thumb A: Extends the thumb N: Radial
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Extensor Pollicis Brevis |
(Muscle of thumb) O: Posterior surface of the radius, deep to the extensors I: Proximal phalange of the thumb A: Extends the thumb N: Radial |
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Flexor Pollicis Longus |
(Muscle of thumb) O: Medial epicondyle, anterior surface of the radius, deep to the flexors, interosseous membrane (found between the radius and the ulna) I: Base of distal phalynx thumb A: Flexes the thumb N: Median |
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Flexor Pollicis Brevis |
(Thenar Eminence, muscle of thumb) O: Flexor retinaculum, trapezium, and 1st metacarpal bone I: Base of proximal phalynx A: Flexes the thumb N: Lat- Median; Med- Ulnar |
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Abductor Pollicis Longus |
(Muscle of thumb) O: Posterior surface of the radius and ulna, deep to extensors I: Base of 1st metacarpal A: Abducts and extends the thumb N: Radial |
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Abductor Pollicis Brevis |
(Thenar Eminence, muscle of thumb) O: Scaphoid, Trapezium, Flexor Retinaculum I: Base of the proximal phalanx of the thumb A: Abducts the thumb N: Median |
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Extensor Digiti Minimi |
(Muscle of 5th digit) O: Common extensor tendon from lateral epicondyle of the humerus I: Base of 1st phalynx of 5th finger A: Extends 5th digit, assists in extension of the wrist N: Radial |
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Flexor Digiti Minimi Brevis |
(Hypothenar Eminence, muscle of 5th digit) O: Anterior surface of the flexor retinaculum, hook of hamate I: Base of the proximal phalanx of the 5th digit A: Flexes the 5th digit at the metacarpophalangeal joint, abducts the 5th digit N: Ulnar |
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Opponens Digiti Minimi |
(Hypothenar Eminence, muscle of the 5th digit) O: Anterior surface of the flexor retinaculum, hook of the hamate I: Along the entire length of the 5th metacarpal along its medial border A: Draws forward the 5th metacarpal bone, assists in flexing the 5th digit N: Ulnar |
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Abductor Digiti Minimi |
(Hypothenar Eminence, muscle of the 5th digit) O: Pisiform, tendon of the flexor carpi ulnaris I: Medial side of the base of the proximal phalanx of the 5th digit A: Abducts digit 5 N: Ulnar |
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Lumbricales |
(Muscle of the hand) O: Tendons of the flexor digitorum profundus in the palm of the hand I: Lateral side of the corresponding tendon, the extensor digitorum on fingers A: Flex MCPs, extends PIPs + DIPs N: 1+2= Median Nerve; 3+4= Ulnar |
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Palmar Interossei |
(Muscle of the hand, PAD) O: Anterior surfaces of the 2nd, 3rd, 4th, and 5th metacarpal bones, if present on the thumb it originates on medial side of base of 1st met I: 1st- med side of base of prox phalanx of thumb; 2nd- med side of bae of prox phalanx of index finger; 4th+5th- lat sid of prox phalanges of 4th and 5th A: Adducts fingers towards middle finger, assists in flexion of the fingers at metacarpophalangeal joints N: Ulnar |
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Dorsal Interossei |
(Muscle of hand, DAB) O: By 2 heads from the adjacent sides of the corresponding metacarpal bones I: 1st- lateral side of base of prox phalanx of index; 2nd- lateral side of base of prox phalanx of mid finger; 3rd- medial side of base of prox phalanx of mid finger; 4th- med side of base of prox phalanx of ring finger A: Abducts the fingers away from mid finger, assists in flexion of fingers at metacarpophalangeal joints N: Ulnar |
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Palmaris Brevis |
(Muscle of hand) O: Flexor retinaculum and palmar aponeurosis I: Superficial on top of origins A: Corrugates the palm of the hand N: Ulnar |
