Deck 2: The Measurement of Motor Performance

Question 1

This brain activity measurement technique realigns hydrogen atoms in the body and may provide clear 2D and 3D images of the brain.

A) EEG
B) PET
C) EMG
D) fMRI

Answer 1

D

Question 2

If you want to describe the movement of an object in a straight line, the type of motion you would describe is referred to as ________.

Answer 2

linear

Question 3

Force can be calculated from the kinematics of a movement if you know the mass of the moving object and the ________ of the movement.

Answer 3

acceleration

Question 4

The method of recording electrical activity in the muscles during movement is called ________.

Question 5

A person had the following error scores for a series of 5 trials: +5, -3, +8, +18, -6. The average AE score is ________.

Question 6

This error measure evaluates overall accuracy during a series of trials.

A) AE
B) CE
C) VE
D) RE

Question 7

The measure of muscle activity that detects the lateral displacement of a muscle's belly following maximal percutaneous neuromuscular stimulation is referred to as:

A) Electromyography (EMG)
B) Whole muscle mechanomyography (wMMG)
C) Electroencephalography (EEG)
D) Near infrared spectroscopy (NIRS)

Question 8

The interval of time between the initiation and completion of a movement is called ______.

Question 9

EEG recordings will show __________ waves when the cerebral cortex is active.

A) Alpha
B) Beta
C) Theta
D) Delta

Question 10

This error measure evaluates performance consistency during a series of trials.

A) AE
B) CE
C) VE
D) E

Question 11

The term kinetics refers to motion caused by ___________.

A) Velocity
B) Angular acceleration
C) Force
D) Movement

Question 12

An individual must respond to only one of several signals presented in this type of reaction time.

A) Simple RT
B) Choice RT
C) Discrimination RT
D) Serial RT

Question 13

The rotary force of body segments around their joints axes is known as joint ________.

Question 14

Displacement, velocity, and acceleration are ___________ measures of motion.

A) Kinetic
B) Kinematic
C) Force
D) Angular motion

Question 15

To determine muscle activation patterns, this measurement method could be used.

A) EMG
B) EEG
C) Kinetics
D) Kinematics

Question 16

Near infrared spectroscopy (NIRS) can be used to measure activity in the:

A) Brain
B) Muscles
C) Brain and muscles
D) None of the above

Question 17

The kinematic measure of motor performance that describes the speeding up and slowing down of a movement is called ________.

Question 18

Which two events mark the beginning and the end of the interval known as reaction time?

A) Warning signal and stimulus signal
B) Stimulus signal and initiation of the response
C) Stimulus signal and the completion of the response
D) Warning signal and the initiation of the response

Question 19

Variable error is an indicator of a person's performance ________ when performing a skill that requires hitting a target.

Question 20

The change in spatial position of a limb is called:

A) Displacement.
B) Velocity.
C) Acceleration.
D) Linear motion.

Question 21

Simple RT involves one signal and more than one possible response.

Question 22

Radial error (RE) would be the appropriate general accuracy measure to assess the accuracy of a golf putt.

Question 23

If you move your two arms forward and backward several times at the same time, the phase relationship between them is 0 degrees.

Question 24

The brain activity measurement technique that shows blood flow in the brain is known as ________.

Question 25

Constant error (CE) refers to a person's performance bias during a series of trials.

Question 26

The calculation of ______________ provides an objective measure of the coordination between two limbs or limb segments by comparing the specific location of each limb or limb segment in one cycle of a cyclic movement.

Question 27

When a performance score is recorded as m/sec^-1, the performance measure is velocity.

Question 28

TMS involves directing a short burst of magnetic waves at a specific area of the brain cortex in order to temporarily activate that area.