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Lab Quiz 4
from his email
112
Medical
Graduate
06/25/2013

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Cards

Term
Extensor carpi radialis brevis Origin
Definition
O: Lateral epicondyle of humerus
Term
Extensor carpi radialis brevis Insertion
Definition
I: Metacarpal III (base)
Term
Extensor carpi radialis brevis Action
Definition
A: Extends  wrist
Term
Extensor carpi radialis brevis Innervation
Definition
N: Radial
Term
Extensor carpi radialis longus Origin
Definition
O: Lateral epicondyle of humerus
Term
Extensor carpi radialis longus Insertion
Definition
I:  Metacarpal II (base)
Term
Extensor carpi radialis longus Action
Definition
A: Extends wrist,  radial  deviation
Term
Extensor carpi radialis longus Innervation
Definition
N: Radial
Term
Extensor carpi ulnaris Origin
Definition
O: Lateral epicondyle of humerus
Term
Extensor carpi ulnaris Insertion
Definition
I: Metacarpal  V (base)
Term
Extensor carpi ulnaris Action
Definition
A: Extends  wrist,  ulnar  deviation
Term
Extensor carpi ulnaris Innervation
Definition
N: Radial
Term
Extensor digiti minimi Origin
Definition
O: Lateral epicondyle of humerus
Term
Extensor digiti minimi Insertion
Definition
I: Proximal phalanx  V
Term
Extensor digiti minimi Action
Definition
A: Extends  & abducts little finger
Term
Extensor digiti minimi Innervation
Definition
N: Radial (posterior  interosseous)
Term
Extensor digitorum Origin
Definition
O: Lateral epicondyle of humerus
Term
Extensor digitorum Insertion
Definition
I: Phalanges II – V  (middle & distal dorsal)
Term
Extensor digitorum Action
Definition
A: Extends  fingers 2- 5
Term
Extensor digitorum Innervation
Definition
N: Radial
Term
Extensor indicis Origin
Definition
O: Posterior ulna, interosseousmembrane
Term
Extensor indicis Insertion
Definition
I: Middle & Distal phalanges II
Term
Extensor indicis Action
Definition
A: Extends index  finger
Term
Extensor indicis Innervation
Definition
N: Radial  (posterior  interosseous )
Term
Extensor pollicis brevis Origin
Definition
O: Radius,  interosseus  membrane
Term
Extensor pollicis brevis Insertion
Definition
I: Proximal phalanx I
Term
Extensor pollicis brevis Action
Definition
A: Extends proximal phalanx  I
Term
Extensor pollicis brevis Innervation
Definition
N: Radial
Term
Extensor pollicis longus Origin
Definition
O: Ulna,  interosseous  membrane
Term
Extensor pollicis longus Insertion
Definition
I: Distal phalanx I
Term
Extensor pollicis longus Action
Definition
A: Extends  distal phalanx I
Term
Extensor pollicis longus Innervation
Definition
N: Radial
Term
Flexor carpi radialis Origin
Definition
O: Medial  epicondyle  of  humerus
Term
Flexor carpi radialis Insertion
Definition
I: Base of Metacarpals II and III
Term
Flexor carpi radialis Action
Definition
A: Flexion of wrist,  hand abduction
Term
Flexor carpi radialis Innervation
Definition
N: Median
Term
Flexor carpi ulnaris Origin
Definition
O: Medial  epicondyle  of  humerus
Term
Flexor carpi ulnaris Insertion
Definition
I: Pisiform,  hamate, metacarpal V
Term
Flexor carpi ulnaris Action
Definition
A: Flexes  wrist, hand adduction
Term
Flexor carpi ulnaris Innervation
Definition
N: Ulnar
Term
Flexor digitorum profundus Origin
Definition
O:  Proximal  2/3 ulna
Term
Flexor digitorum profundus Insertion
Definition
I: Distal phalanges II – V
Term
Flexor digitorum profundus Action
Definition
A:  Flexes distal interphalangeal Joints (**the only muscle that does this )
Term
Flexor digitorum profundus Innervation
Definition
N: Median & Ulnar
Term
Flexor digitorum superficialis Origin
Definition
O:  Medial epicondyle of humerus
Term
Flexor digitorum superficialis Insertion
Definition
I: Middle phalanges II – V
Term
Flexor digitorum superficialis Action
Definition
A:  Flexes  interphalangeal  joints; also involved in flexion of  wrist
Term
Flexor digitorum superficialis Innervation
Definition
N: Median
Term
Flexor pollicis longus Origin
Definition
O: Radius (middle ½)
Term
Flexor pollicis longus Insertion
Definition
I: Distal phalanx I
Term
Flexor pollicis longus Action
Definition
A: Flexes phalanges of thumb
Term
Flexor pollicis longus Innervation
Definition
N: Median
Term
Palmaris longus Origin
Definition
O: Medial epicondyle of humerus
Term
Palmaris longus Insertion
Definition
I: Flexor retinaculum (over)
Term
Palmaris longus Action
Definition
A: Weak flexor, absent in 14% of people
Term
Palmaris longus Innervation
Definition
N: Median
Term
Supinator Origin
Definition
humerus
Term
Supinator Insertion
Definition
proximal radius
Term
Supinator Action
Definition
Supination of forearm
Term
Supinator Innervation
Definition
posterior interosseous nerve (a continuation of the deep branch of the Radial nerve)
Term
Pronator teres Origin
Definition
medial epichondyle os humerus; coronoid process of ulna
Term
Pronator teres Insertion
Definition
shaft of radius
Term
Pronator teres Action
Definition
pronation of forearm (Palm forward to back); synergist to pronator quadratus)
Term
Pronator teres Innervation
Definition
median nerve
Term
Pronator quadratus Origin
Definition
ulna (Distal)
Term
Pronator quadratus Insertion
Definition
radius (distal)
Term
Pronator quadratus Action
Definition
Agonist for pronation of forearm and hand; resists separation of radius and ulna
Term
Pronator quadratus Innervation
Definition
median nerve and anterior interosseous nerve (roots C8-T1 with T1 being primary)
Term
Palmar interosseus Origin
Definition
O: Metacarpals I, II, IV, V
Term
Palmar interosseus Insertion
Definition
I: Proximal phalanges II, IV, V
Term
Palmar interosseus Action
Definition
A: Adduct fingers
Term
Palmar interosseus Innervation
Definition
N: Ulnar
Term
Opponens pollicis Origin
Definition
O: Trapezium
Term
Opponens pollicis Insertion
Definition
I: Metacarpal I (radial side)
Term
Opponens pollicis Action
Definition
A: Opposes thumb to fingertips (adds in flexion)
Term
Opponens pollicis Innervation
Definition
N: Recurrent median
Term
Opponens digiti minimi Origin
Definition
O: Hamate
Term
Opponens digiti minimi Insertion
Definition
I: Metacarpal V
Term
Opponens digiti minimi Action
Definition
A: Flexes metacarpal V
Term
Opponens digiti minimi Innervation
Definition
N: Ulnar
Term
Lumbricals Origin
Definition
O: Tendons of flexor digitorum profundus
Term
Lumbricals Insertion
Definition
I: Proximal phalanges II – V
Term
Lumbricals Action
Definition
A: Flex MCP joints & extends Interphalangeal joints
Term
Lumbricals Innervation
Definition
N: first and second median; third and fourth deep ulnar
Term
Flexor digiti minimi brevis Origin
Definition
O: Hamate
Term
Flexor digiti minimi brevis Insertion
Definition
I: Proximal phalanx V
Term
Flexor digiti minimi brevis Action
Definition
A: Flexes little finger at MCP Joint
Term
Flexor digiti minimi brevis Innervation
Definition
N: ulnar
Term
Abductor digiti minimi Origin
Definition
O: Pisiform
Term
Abductor digiti minimi Insertion
Definition
I: Proximal phalanx V (base)
Term
Abductor digiti minimi Action
Definition
A: Abducts little finger (as in spreading fingers apart)
Term
Abductor digiti minimi Innervation
Definition
N: Ulnar
Term
Flexor pollicis Brevis Origin
Definition
O: Trapezium, Flexor retinaculum
Term
Flexor pollicis brevis Insertion
Definition
I: Proximal phalanx I (base)
Term
Flexor pollicis brevis Action
Definition
A: Flexes MCP joint of thumb
Term
Flexor pollicis brevis Innervation
Definition
N: Recurrent median, deep ulnar
Term
abductor pollicis Brevis Origin
Definition
O: Flexor retinaculum (scaphoid & trapezium)
Term
abductor pollicis brevis Insertion
Definition
I: Proximal phalanx I (base)
Term
Abductor pollicis brevis Action
Definition
A: Abducts thumb
Term
Abductor pollicis brevis Innervation
Definition
N: Recurrent median nerve
Term
abductor pollicis longus Origin
Definition
O: Radius and Ulna, interosseus membrane
Term
abductor pollicis longus Insertion
Definition
I: Trapezium, base of metacarpal I
Term
Abductor pollicis longus Action
Definition
A: Abducts thumb, extends at carpometacarpal joint
Term
Abductor pollicis longus Innervation
Definition
N: Radial
Term
abductor pollicis Origin
Definition
O: Transverse head: anterior third metacarpal; Oblique head: bases of second and third metacarpals (trapezoid and Capitate)
Term
abductor pollicis Insertion
Definition
I: Proximal phalanx I
Term
Abductor pollicis Action
Definition
A: Draws thumb towards Palm (adduction & flexion)
Term
Abductor pollicis Innervation
Definition
N: Deep ulnar
Term
Dorsal Interosseus Origin
Definition
O: Metacarpals
Term
Dorsal Interosseus Insertion
Definition
I: Proximal phalanges II – IV
Term
Dorsal Interosseus Action
Definition
A: Abducts fingers
Term
Dorsal Interosseus Innervation
Definition
N: Ulnar
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