Hand & Wrist Flashcards by Analisa Guerra

Q

Bones of the Wrist & Hand

A

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Q

Extrinsic muscles of the hand, the muscle belly originates _____ of the hand and tendons insert ___ the hand

A

Extrinsic muscles of the hand, the muscle belly originates OUTSIDE of the hand and tendons insert IN the hand

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Q

Intrinsic muscles of the hand, the muscle belly originates _____ of the hand an the tendons insert ____ the hand

A

Intrinsic muscles of the hand, the muscle belly originates inside of the hand an the tendons insert in the hand

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Q

Contents of carpal tunnel

A

Median nerve
flexor digitorum superficialis
flexor pollicis longus
flexor digitorum profundus

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Q

Ligament that converts the concavity formed by the carpal bones into the carpal tunnel

A

Transverse carpal ligament

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Q

Strong covering of the soft tissues and overlies the long tendons in hand; contributes to the flexor tendon sheaths distally

A

Palmar aponeurosis

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Q

Metacarpophalangeal & interphalangeal joints

A

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Q

Carpometacarpal & inter metacarpal joints

A

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Q

Metacarpals & phalanges

A

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Q

Wrist joints

A

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Q

8 carpals (wrist)
2 rows
Mnemonic: Sally Left The Party
To Take Cait Home

A

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Q

Compartments of the Hand

A

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Q

Thenar muscles:

Innervated by:

Action

A

Thenar muscles:

Innervated by: recurrent branch of MEDIAN NERVE

Action: opponens-opposition; flexor-flexes thumb; abductor-abducts thumb;

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Q

Hypothenar muscles

A

Hypothenar muscles

innervated by: deep branch of ULNAR NERVE

action:opponent-opposition; flexor-flexes thumb; abductor-abducts thumb;

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Q

Adductor Pollicis

Action:

Innervation:

A

Adductor Pollicis

Action: adducts thumb towards lateral palm

Innervation: deep branch of ULNAR NERVE

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Q

Lumbricals:

Insertion:

Action:

Innervation:

A

Insertion: lateral sides of extensor expansions of 2nd-5th digits

Action: flex metacarpophalangeal joint; extend interphalangeal joints of digits 2-5

innervation: digits 2&3 - MEDIAN NERVE; digits 4&5 ULNAR NERVE:

Q

Palmar interossei (3)

Action:

Innervation:

A

Palmar interossei

Action: adduction of digits 2,4,5 and flexion of metacarpophalangeal joint

Innervation: deep branch of ulnar nerve

Q

Dorsal interossei (4)

Action:

Innervation:

A

Dorsal interossei (4)

Action: abduction of digits 2-4 and flexion at the metacapophalangeal joint

Innervation: deep branch of ulnar nerve

Q

Interossei abduction + adduction of digits

A

Interossei abduction + adduction of digits