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TBL 8 - COA
Forearm and Hand
97
Medical
Graduate
11/12/2011

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Cards

Term
Nerve of origin of the Superior Lateral Cutaneous Nerve of the Arm
Definition
Axillary
Term
Sensory distribution of the Superior Lateral Cutaneous Nerve of the Arm
Definition
Skin over lower part of deltoid and on lateral side of midarm
Term
Nerve of origin of the Medial Cutaneous Nerve of the Arm
Definition
Medial cord of brachial plexus
Term
Sensory distribution of the Medial Cutaneous Nerve of the Arm
Definition
Skin over the medial aspect of distal arm
Term
Nerve of origin of the Lateral Cutaneous Nerve of the Forearm
Definition
Musculocutaneous
Term
Sensory distribution of the lateral cutaneous nerve of the forearm
Definition
Skin of anterolateral forearm to wrist
Term
Nerve of origin of the medial cutaneous nerve of the forearm
Definition
Medial cord of brachial plexus
Term
Sensory distribution of the medial cutaneous nerve of the forearm
Definition
Skin of anteromedial aspect to wrist
Term
Proximal attachment of Pronator Teres
Definition
Medial epicondyle of humerus
Term
Proximal attachment of Flexor Carpi Radialis
Definition
Medial epicondyle of humerus
Term
Proximal attachment of Palmaris Longus
Definition
Medial epicondyle of humerus
Term
Proximal attachment of Flexor Carpi Ulnaris
Definition
Medial epicondyle of humerus
Term
Distal attachment of Pronator Teres
Definition
Middle of convexity of lateral surface of radius
Term
Distal attachment of flexor carpi radialis
Definition
Base of 2nd metacarpal
Term
Distal attachment of palmaris longus
Definition
Distal half of flexor retinaculum and apex of palmar aponeurosis
Term
Distal attachment of flexor carpi ulnaris
Definition
Pisiform, hook of hamate, 5th metacarpal
Term
Action of pronator teres
Definition
Pronates and flexes forearm (at elbow)
Term
Action of flexor carpi radialis
Definition
Flexes and abducts hand (at wrist)
Term
Action of Palmaris longus
Definition
Flexes hand (at wrist) and tenses palmar aponeurosis
Term
Action of flexor carpi ulnaris
Definition
Flexes and adducts hand (at wrist)
Term
Innervation of Pronator teres
Definition
Median Nerve
Term
Innervation of Flexor Carpi Radialis
Definition
Median Nerve
Term
Innervation of Palmaris longus
Definition
Median Nerve
Term
Innervation of Flexor Carpi Ulnaris
Definition
Ulnar Nerve
Term
Innervation of the medial part of flexor digitorum profundis
Definition
Ulnar Nerve
Term
Innervation of the lateral part of flexor digitorum profundis
Definition
Anterior Interosseous nerve, from Median Nerve
Term
Action of Medial part of flexor digitorum profundis
Definition
Flexes distal phalanges 4 and 5
Term
Action of lateral part of flexor digitorum profundis
Definition
Flexes distal phalanges 2 and 3
Term
Innervation of the pronator quadratus muscle
Definition
Anterior Interosseous nerve, from Median Nerve
Term
Action of pronator quadratus
Definition
Pronates forearm; deep fibers bind radius and ulna together
Term
Innervation of the flexor pollicis longus
Definition
Anterior Interosseous nerve, from Median Nerve
Term
Distal attachment of flexor pollicis longus
Definition
Base of distal phalanx of thumb
Term
Action of flexor pollicis longus
Definition
Flexes phalanges of 1st digit (thumb)
Term
Carpal Tunnel
Definition
Flexor digitorum superficialis, flexor digitorum profundis, flexor pollicis longus, Median Nerve
Term
Action of Dorsal Interossei
Definition
Abduct 2nd-4th digits from axial line
Term
Action of palmar interossei
Definition
Adduct 2nd, 4th, and 5th digits toward axial line
Term
Action of lumbricals
Definition
Flex metacarpophalangeal joints; extend interphalangeal joints of 2nd-5th digits.
Term
Muscles of the thenar eminance
Definition
Opponens pollicis, Abductor pollicis brevis, Flexor pollicis brevis, Adductor pollicis
Term
Muscles of the hypothenar eminance
Definition
Abductor digiti minimi, Flexor digiti minimi brevis, Opponens digiti
Term
Innervation of Opponens Pollicis
Definition
Recurrent branch of median nerve
Term
Innervation of Abductor Pollicis brevis
Definition
Recurrent branch of median nerve
Term
Innervation of Flexor pollivis brevis
Definition
Recurrent branch of median nerve/Deep branch of ulnar nerve
Term
Innervation of Adductor pollicis
Definition
Deep branch of ulnar nerve
Term
Innervation of abductor digiti minimi
Definition
Deep branch of ulnar nerve
Term
Innervation of flexor digiti minimi brevis
Definition
Deep branch of ulnar nerve
Term
Innervation of opponens digiti
Definition
Deep branch of ulnar nerve
Term
Proximal attachment of brachioradialis
Definition
Proximal two thirds of supraepicondylar ridge of humerus
Term
Distal attachment of brachioradialis
Definition
Lateral surface of distal end of radius proximal to styloid process
Term
Action of brachioradialis
Definition
Relatively weak flexion of forearm; maximal when forearm is in mid-pronated position
Term
Distal attachment of extensor carpi radialis longus
Definition
Dorsal aspect of base of 2nd metacarpal
Term
Distal attachment of extensor carpi radialis brevis
Definition
Dorsal aspect of base of 3rd metacarpal
Term
Action of extensor carpi radialis
Definition
Extend and abduct hand at the wrist joint.
Term
Distal attachments of extensor digitorum
Definition
Extensor expansions of medial four digits.
Term
Action of extensor digiti minimi
Definition
Extends 5th digit primarily at metacarpophalangeal joints
Term
Action of Extensor digitorum
Definition
Extends medial four digits primarily at metacarpophalangeal joints
Term
Action of extensor indices
Definition
extends 2nd digit; helps extend hand at wrist
Term
Distal attachment of the extensor carpi ulnaris
Definition
Dorsal aspect of base of 5th metacapal
Term
Action of extensor carpi ulnaris
Definition
Extends and adducts hand at wrist joint
Term
Snuff box
Definition
Abductor pollicis longus, extensor pollivis brevis, extensor pollicis longus
Term
Distal attachment of the extensor pollicis longus
Definition
Dorsal aspect of base of distal phalanx of thumb
Term
Distal attachment of extensor pollicis brevis
Definition
Dorsal aspect of base of proximal phalanx of thumb
Term
Distal attachment of abductor pollicis longus
Definition
Base of 1st metacarpal
Term
Action of extensor pollicis longus
Definition
Extends digital phalanx of thumb at interphalangeal joint
Term
Action of extensor pollicis brevis
Definition
Extends proximal phalanx of thumb at metacarpophalangeal joint
Term
Action of abductor pollicis longus
Definition
Abducts thumb and extends it at carpometacarpal joint
Term
Tinel's sign tests for
Definition
Carpal Tunnel Syndrome
Term
Tinel's test
Definition
Lightly tap over the nerve to elicit a sensation of tingling or "pins and needles"
Term
Allen's test tests for
Definition
Blood supply to the hand.
Term
Allen's test
Definition
Pressure is applied to both ulnar and radial arteries of the elevated fisted hand. Release ulnar and color should return.
Term
Cause of a Colles fracture?
Definition
Trying to ease a fall by outstretching the upper limb
Term
Results from a colles fracture?
Definition
Ulnar projects further than radial styloid. Dinner fork deformity
Term
Scaphoid bone fracture puts this at risk
Definition
Radial Artery
Term
Causes of avulsion of the medial epicondyle
Definition
When the epiphysis has not fused with the distal end of the humerus, a fall that causes severe abduction of the extended elbow.
Term
Nerve injured by avulsion of the medial epicondyle
Definition
Ulnar
Term
Median Nerve Injury near the elbow
Definition
Hand of benediction
Term
Anterior Interosseous Nerve injury
Definition
"pinch" sign
Term
Pronator syndrome
Definition
compression of the median nerve near the elbow
Term
Dupuytren Syndrome
Definition
Bilateral partial flexion of the 4th and 5th digit. Disease of the palmar fascia resulting in progressive shortening, thickening, and fibrosis of the palmar fascia and aponeurosis.
Term
Where to compress after a laceration of palmar arches
Definition
Compress brachial artery and its branches proximal to the elbow
Term
Raynaud syndrome
Definition
Intermittent bilateral attacks of ischemia of the digits
Term
Treatment of Reynaud syndrome
Definition
Cervicodorsal presynaptic sympathectomy
Term
Injury to the recurrent median nerve
Definition
Paralyzes the thenar muscles.
Term
Causes of carpal tunnel syndrome
Definition
Fluid retention, infection, and excessive exercise of the fingers
Term
Sensory effects of Carpal tunnel
Definition
Lateral three and a 1/2 digits
Term
Motor effects of carpal tunnel
Definition
Thenar muscles. Loss of coordination and strength of the thumb
Term
Motor symptoms of Klumpke Paralysis
Definition
Small muscles of the hand. Claw hand
Term
Motor Symptoms: Ulnar nerve injury at elbow
Definition
Inability to flex the 4th and 5th digit at the distal interphalangeal joint. No wrist flexion.
Term
Motor Symptoms: Ulnar canal syndrome
Definition
Ulnar injury at the wrist. inability to flex 4th and 5th digit at the distal interphalangeal joint. Wrist flexion.
Term
Motor: Median Nerve injury near the elbow
Definition
Hand of Benediction
Term
Sensory loss: Klumpke
Definition
Medial arm and forearm
Term
Sensory Loss: Ulnar nerve injury @ cubital fossa
Definition
Medial part of the palm and the medial one and a half fingers
Term
Sensory Loss: Ulnar canal syndrome
Definition
Medial one and a half fingers
Term
Sensory Loss: Median nerve injury near wrist
Definition
Lateral 3 fingers and 1/2 of the 4th finger, along with lateral palm
Term
Tennis elbow
Definition
Lateral epicondylitis
Term
Mallat finger deformity
Definition
Long extensor tendon avulsion
Term
Radial nerve injury at radial groove
Definition
Wrist drop. Loss of sensation in Dorsolateral aspect of hand.
Term
Deep branch of the radial nerve injury
Definition
Inability to extend thumb or metacarpalphalangeal joints. No loss of sensation.
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