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50 Cards in this Set
- Front
- Back
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Proximal row of carpal bones contains? (4)
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1. Scaphoid
2. Lunate 3. Triquetrum 4. Pisiform |
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Distal row of carpal bones contains? (4)
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1. Trapezium
2. Trapezoid 3. Capitate 4. Hamate |
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What are the 3 joints of the wrist & hand?
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1. Radiocarpal joint
2. Intercapal joints 3. Carpometacarpal joints |
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What are the finger joints?
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1. Metocarpophalangeal (MP)
2. Proximal interphalangeal (PIP) 3. Distal interphalangeal (DIP) |
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What forms the carpal tunnel?
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Flexor retinaculum
-Medially: attaches to pisiform & hamulus -Laterally: attaches to scaphoid & trapezium |
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What passes through the carpal tunnel? (5)
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1. Tendon of flexor carpi radialis
2. Tendon of flexor pollicis longus 3. Tendon of flexor digitorum superficialis 4. Tendon of flexor digitorum profundus 5. Median nerve |
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What are the fascial structures of the hand? (4)
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1. Superficial fascia
2. Flexor retinaculum 3. Extensor retinaculum 4. Palmar aponeurosis |
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What are the 3 palmar fascial compartments?
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1. Central compartment
2. Thenar compartment 3. Hypothenar compartment |
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What are the contents of the central compartment (deep to palmar aponeurosis)?
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1. Flexor tendons
2. Digital nerves 3. Palmar arterial arches 4. 2 Fascial spaces -Thenar space -Midpalmar space |
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What are the 2 fascial spaces found in the central compartment deep to palmar aponeurosis?
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1. Thenar space
2. Midpalmar space |
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What are the muscles of the thumb? (4)
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1. Abductor pollicis brevis
2. Flexor pollicis brevis 3. Opponens pollicis 4. Adductor pollicis |
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What are the hypothenar muscles? (4)
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1. Palmaris brevis
2. Abductor digiti minimi 3. Flexor digiti minimi brevis 4. Opponens digiti minimi |
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What are the "other" muscles of the hand?
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1. Lumbricals
2. Palmar interossei 3. Dorsal interossei |
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What is the action of the ABDUCTOR POLLICIS BREVIS?
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-Abduct thumb
-Aid in opposition |
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What is the action of the OPPONENS POLLICIS
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-Opposition of thumb & other digits
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What is the action of the FLEXOR POLLICIS BREVIS?
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-Flex IP joint
-Aid in opposition |
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What is the action of the ADDUCTOR POLLICIS
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-Adduct thumb
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What is the innervation of ABDUCTOR POLLICIS BREVIS?
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Median nerve (recurrent branch)
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What is the innervation of OPPONENS POLLICIS?
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Median nerve (recurrent branch)
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What is the innervation of FLEXOR POLLICIS BREVIS?
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Median nerve (recurrent branch)
Ulnar nerve |
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What is the innervation of ADDUCTOR POLLICIS?
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Ulnar nerve
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What is the innervation of PALMARIS BREVIS?
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Ulnar nerve
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What is the innervation of ABDUCTOR DIGITI MINIMI?
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Ulnar nerve
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What is the innervation of ABDUCTOR DIGITI MINIMI?
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Ulnar nerve
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What is the innervation of OPPONENS DIGITI MINIMI?
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Ulnar nerve
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What is the innervation of FLEXOR DIGITI MINIMI BREVIS?
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Ulnar nerve
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What is the action of PALMARIS BREVIS?
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Wrinkles palmar skin, aids w/ grip
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What is the action of ABDUCTOR DIGITI MINIMI?
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Abducts & flexes 5th digit
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What is the action of OPPONENS DIGITI MINIMI?
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Opposition
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What is the action of FLEXOR DIGITI MINIMI BREVIS?
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Flexes small finger
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What is the action of LUMBRICALS? (2)
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1. Flex MP joints
2. Extend IP joints |
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What is the action of PALMAR INTEROSSEI? (3)
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1. Adducts digits
2. Flex MP joint 3. Extend IP joints |
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What is the action of DORSAL INTEROSSEI? (3)
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1. Abduct digits
2. Flex MP joints 3. Extend IP joints |
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The brachial artery splits into which 2 arteries at the level of the cubital fossa?
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1. Radial artery
2. Ulnar artery |
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Which arteries branch off the ulnar artery? (3)
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1. Superficial ulnar branch --> Superficial palmar arterial arch
2. Deep branch -Completes deep palmar arterial arch |
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Which arteries branch off radial artery? (4)
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1. Superficial palmar branch --> completes Superficial palmer arterial arch
2. Deep branch : -Princeps pollicis -Deep palmar arterial arch |
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What supplies cutaneous innervation to the medial side of the palm?
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Superficial palmar branch of ULNAR nerve
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What supplies cutaneous innerviation of medial side of dorsum of hand?
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Dorsal branch of ULNAR nerve
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What supplies cutaneous innervation to medial 1 1/2 digits?
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Digital branches of ULNAR nerve
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What supplies cutaneous innervation to lateral side of palm?
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Palmar branch of MEDIAN nerve
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What supplies cutaneous innervation to 2nd, 3rd & lateral 1/2 of 4th digits on palmar side, distal portion of same digits on dorsal side & palmar surface of thumb?
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Cutaneous branches of MEDIAN nerve
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The thenar muscles are innervated by _____ nerve, except for ____ muscle is innervated by _____ nerve?
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Thenar muscles - Median nerve
EXCEPT: -Flexor pollicis brevis (median & ulnar) |
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Which nerve innervates the medial 2 (3rd & 4th) lumbricals?
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Ulnar Nerve
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Which nerve innervates the lateral 2 (1st & 2nd) lumbricals)?
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Median nerve
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What is the innervation of the interossei muscles?
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Ulnar Nerve
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Which nerve supplies dorsum of hand & lateral 3 1/2 digits (except distal portions)?
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Radial nerve
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The purple represents the area innervated by which nerve?
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Purple = MEDIAN
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The yellow represents the area innervated by which nerve
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Yellow = ULNAR
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The orange represents the area that is innervated by which nerve?
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Orange = Superficial RADIAL nerve
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A puncture in the palm may cause infection of synovial sheaths of long flexor tendons & constant movements of tendons within sheaths further enhance spread of infection into?
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Thenar & midpalmar spaces & carpal tunnel --> compression of median nerve
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