Grasp Patterns Flashcards

1
Q

Hook Grasp

A

Hooking fingers around an item, like a briefcase handle

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2
Q

Power Grasp (tool use)

A

Holding item tight in fist with all fingers around it, like using a hammer

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3
Q

Lateral Pinch

A

Grasping item between thumb pad and against curled index finger, like handing someone your credit card

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4
Q

(Inferior) Pincer Grasp

A

Isolated index finger and thumb pads (like tweezers) to pick up small items

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5
Q

Three Jaw Chuck

A

Holding item between thumb, index, and middle fingertips, like pulling a cap off a pen

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6
Q

Tip Pinch / Superior Pincer Grasp

A

Grasping something small between the very tip of index finger and thumb (forming a “c” shape), like holding a sewing needle

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7
Q

Spherical Grasp

A

Shaping the hand and thumb around a round/spherical item, like a doorknob

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8
Q

Cylindrical Grasp

A

Wrapping fingers/thumb around a cylindrical item, like a can of soda

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9
Q

Disc Grasp

A

Spreading fingers out and around to hold a round item by all fingertips, like holding edges of a CD

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10
Q

2 Most Mature Grasp Patterns (Writing)

A

1) Dynamic Tripod Grasp: 3 fingers used to hold utensil. Bent thumb and index point to tip, utensil rests on middle finger.
2) Lateral Tripod Grasp: 3 fingers, index points to tip, utensil rests on bent inward middle finger, however the thumb crosses perpendicularly over index finger.

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11
Q

Shift

A

Moving an object in hand linearly, as in “walking” a pencil up or down in your hand.

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12
Q

Simple Rotation

A

Rolling a small object between thumb and fingertips, as in opening a small jar or rotating a pencil.

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13
Q

Complex Rotation

A

Turning object end-to-end in hand, such as flipping a pencil to use the eraser.

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14
Q

Translation (Finger-to-Palm; Palm-to-Finger)

A

Moving a small object in hand from palm-to-fingers or fingers-to-palm, such as bringing a coin from palm to fingertips for a vending machine.

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15
Q

Palmar Grasp

A

Birth – 4-6 mo.; Pressure on ulnar surface of palm flexes fingers.

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16
Q

Plantar Grasp

A

Birth – 4-9 mo.; Pressure on ball of FOOT causes toes to flex. (FOOT REFLEX)

17
Q

Ulnar-Palmer vs. Radial-Palmar Grasp

A

At 5 mo., ULNAR-palmar, pressure on ulnar side of palm causes flexed fingers.

At 6 mo., RADIAL-palmar, in which object held between thumb and radial side of palm. Assists in one-stage hand-to-hand transfer.

18
Q

Hand-to-Hand Transfer

A

5-6 mo.; 2-step process of taking hand grabbing object in releasing hand before it lets go. Not fully developed!

7 mo.; 1-step process of taking hand and releasing hand working simultaneously (considered typical age of acquiring this skill.)

19
Q

Radial Digital Grasp

A

7 mo.; Objects held between thumb and fingertips.

20
Q

Voluntary Release

A

7 mo. – Ability to release voluntarily is emerging.

10 mo. – Can release object into a container.