Ch. 5

Question 1

Coordination

Answer 1

The patterning of head, body, and/or limb motions relative to the patterning of environmental objects and events

Question 2

Degrees of freedom

Answer 2

The number of independent components in a control system and the number of ways each component can vary

Question 3

Open loop control system

Answer 3

A control system in which all of the info needed to initiate and carry out an action as planned is contained in the initial instructions to the effectors

Question 4

Closed loop control system

Answer 4

A system of control in which during the course of an action, feedback is compared against a standard or reference to enable an action to be carried out as planned

Question 5

Feedback

Answer 5

Information from the sensory system that indicates the status of a movement to the central nervous system; in a closed loop control system, feedback is used to make corrections to an ongoing movement

Question 6

motor program

Answer 6

A memory representation that stores information needed to perform an action

Question 7

Schema

Answer 7

Rule or set of rules that serves to provide the basis for a decision; in Schmidt’s Chema theory, an abstract representation of rules governing movement