Performance and motor control characteristics of functional skills (chapter 7)

An individual is doing physical rehabilitation to recover from a stroke. They are currently working on prehension tasks. Which of the following best describes how the individual should rehabilitate this skill?

a) Practice reach, grasp, and object manipulation all at the same time because they are interdependent on one another

b) Isolate practicing reaching, grasping, and object manipulation to improve each skill before working on all three at the same time

c) As long as prehension capabilities are being practiced in a functional context it does not matter how they are worked on

d) Rehabilitation is pointless because prehension capabilities cannot be improved

a) Practice reach, grasp, and object manipulation all at the same time because they are interdependent on one another

The three phases of prehension are called the transport phase, the grasp phase, and the ________ phase.

object manipulation

Fitts' Law predicts movement speed based on specific accuracy requirements in a task.

a) True

b) False

a) True

What do baseball batters tend to adjust relative to the oncoming speed of the pitch?

a) The timing between the initiation of the step and the initiation of the forward bat swing

b) When they initiate their swing

c) The speed of their swing

d) The length of their swing

b) When they initiate their swing

Consider the following two prehension situations: a person reaches to pick up a cup to: (a) drink from it; (b) move it to a different location on the table. The kinematic characteristics of the transport phase for these two situations would:

a) Be similar

b) Be different

c) Depend on the color of the cup

d) Not be predictable

b) Be different