9 Flashcards

1
Q

what types of muscles move the fingers to give power

A

extrinsic ones (in forearm)

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2
Q

what types of muscles move the fingers to give fine movements

A

intrinsic (in the hand itself.

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3
Q

what are the two main types of grips that exist

A

power grips
(cylindrical grip, spherical grip, hook grip, lateral prehension)

precision grip

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4
Q

what are the two main types of grips that exist

A

power grips
(prehensile: cylindrical grip, spherical grip, , lateral prehension)
non prehensile: hook grip

precision grip

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5
Q

difference between power and precision grip

A

in power grip, all finger are around the object aloes due lauder test due certain. in power, al muscle closing hands are active.

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6
Q

clinical symptom of radial injury

A

wrist drop

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7
Q

clinical symptom of radial injury

A

wrist drop

no extension of wrists and digits

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8
Q

what can cause a radial injury

A

Saturday night palsy
falling asleep with arm hanging
arm is compressed or stretched

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9
Q

median nerve injury clinical presentation

A

hand of benediction

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10
Q

what carpal tunnel syndrome and effect

A

Any condition reducing size of carpal tunnel causes compression of median nerve​
Progressive loss of co-ordination and strength in thumb​

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11
Q

low median nerve injury clinical presentation

A

NO abduct NOR oppose the thumb

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