Grips

Question 1

Stage I of gripping requires what to open the hand fully?

Answer 1

Requires activation fo the wrist + finger extensor musculature as well as the hand intrinsics

Question 2

Stage II involves what?

Answer 2

Fingers position around the object and closet to grasp the object, which requires activation fo the finger flexors as well as hand intrinsics

Question 3

Stage III of gripping?

Answer 3

The force of the grasp is modified based on the shape, weight, fragility, and surface characteristics of the object

Question 4

Stage IV of gripping includes?

Answer 4

Releasing the object by opening the hand, which requires activation of the extensors

Question 5

__________ is used when a strong or forceful grip is need and involves stabilization of the object against the palm of the hand.

Answer 5

Power grip

Question 6

What position are the hand and the fingers in during a power grip?

Answer 6

Fingers are in flexion and the wrist is in ulnar deviation and slight extension

Question 7

What are the types of power grips?

Answer 7

1. Cylindrical grasp
2. Fist grasp
3. Spherical grasp
4. Hook grasp

Question 8

_________charaterized by the entire hand wrapping around an objec with the thumb on one side and the four fingers on the opposite side of the object

Answer 8

Cylindrical grasp

Question 9

What type of grasp is need for a soda can?

Answer 9

Cylindrical grasp

Question 10

______Involves grasping around a narrower object so that the thumb and fingers overlap. (Used for smaller cylindrical objects)

Answer 10

Fist grasp

Question 11

What grasp is demonstrated when holding a hammer?

Answer 11

Fist grasp

Question 12

___________Characterized by the entire hand wrapping around a spherical object. The fingers are separated from one another and there is a greater amount of thumb opposition when compared to the cylindrical grasps.

Answer 12

Spherical grasp

Question 13

What grasp is demonstrated by a pitcher grasping a baseball?

Answer 13

Spherical grasp

Question 14

________characterized by use of the second and third interphalangeal joints (though it can involve all four fingers) to creat a hook to hold an objec.

Answer 14

Hook grasp

Question 15

What muscles control at hook grasp?

Answer 15

Forearm flexors and extensor

Question 16

What type of grasp may be demonstrated when grasping the handle of a pail or bucket?

Answer 16

Hook grasp

Question 17

__________ is used when accurate and precise movements of the hand are needed.

Answer 17

Precision grip

Question 18

What joints are involved in a precision grasp?

Answer 18

Metacarpophalangeal and interphalangeal joints on the radial side of the hand

Question 19

What are the types of precision grips?

Answer 19

A. Digital prehension grip
B. Lateral prehension grip
C. Tip prehension grip

Question 20

________(3-fingered pinch) is characterized by pulp to pul contact b/t the thumb, index finger, and middle finger. This type of grip may be used when holding a pencil

Answer 20

Digital prehension grip

Question 21

______characterized by contact b/t the them and lateral side of the index finger. This type of grip may be sued when using a key.

Answer 21

Lateral prehension grip

Question 22

_________ (i.e. tip pinch) is characterized by thumb opposition so that the tip of the thumb contacts the tip of another finger. This grip may be used when holding a needle.

Answer 22

Tip prehension grip