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SMCF: Lect 4 Hand functions
Hand functions
7
Science
Undergraduate 3
09/09/2010

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Cards

Term
3 aspects to hand function that are important:
Definition

Independence: Can move each digit individually

Opposition: Each finger can touch the thumb

Degrees of freedom: There are many joints and tendons, phalanges to the finger.

 

Term
Glabrous skin has:
Definition
Ridges and groves and works like tyres to create grip.
Term
A great phi angle the great the grip, true to false?
Definition
False, the lower the phi angle for the grip axis the more stable the grip.
Term
Greater curvature means greater grip force needed, true or false?
Definition
True
Term
The grip force increases with load force and when load force equals the weight of the object the object is lifted, true or false?
Definition
True
Term
More curvature requires more grip force, t/f
Definition
True
Term
In the nerves in hand are blocked by anastetic then we loose sensory input, this is known as digital nerve block. These work to stop the ... working
Definition
mechanoreceptors
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