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LONG BEACH STATE / Kinesiology / KIN 312 / What is the meaning of performance outcomes measures in measuring moto

What is the meaning of performance outcomes measures in measuring moto

What is the meaning of performance outcomes measures in measuring moto


School: California State University Long Beach
Department: Kinesiology
Course: Motor Control
Professor: Wilbur wu
Term: Fall 2016
Tags: Kinesiology, KIN312, motor, and control
Cost: 25
Name: KIN 312 Wu Fall 2016 Week 6 Scientific Measurment Notes
Description: Notes cover scientific measurement with regards to performance outcome values and performance production outcomes. Also, reaction time, movement time, and response time.
Uploaded: 10/09/2016
3 Pages 111 Views 2 Unlocks

KIN 312: Fall 2016 – Week 6 Natalie Wong

What is the meaning of performance outcomes measures in measuring motor performance?

***Notes derived from Dr. Wu’s Lecture PPT

Scientific Measurement and Motor Control 

I. 2 General Categories of Measuring Motor Performance 

o Performance Outcomes Measures = Measures result or outcome of a skill Ex: distance thrown, speed, reaction time

Measures of “what”

o Performance Production Measures = inform us about how the nervous system, muscular  system, and limbs are acting to produce the performance outcome 

Ex: EEG, EMG, force, limb kinematics (use external gadgets to measure occurrences inside the body)

Measure of “how”

II. Performance Outcome Measures

What is the meaning of performance production measures in measuring motor performance?

We also discuss several other topics like What is religious feminism about?

o Reaction Time (RT) = indicates how long it takes to prepare and initiate a movement “go” signal to first initiation of movement/response

o Movement Time (MT) = interval of time between the initiation of a response to the  termination of a response

o Response Time = time interval including both reaction time and movement time “go” signal to the termination of a response

Warning Signal “Go” Signal Initiation of Response        Termination of Response

(Premotor & Motor)


      Foreperiod    Reaction Time (RT)    +    Movement Time (MT)

   = Response Time Don't forget about the age old question of Why is oxygen so important to most animals?

III. Types of Reaction Time (RT) 

o Simple Reaction Time 

What is the meaning of reaction time in performance outcome measures?

    # of Stimuli: 1

    # of Possible Responses: 1

Ex:  Stimulus = Red signal flashes Don't forget about the age old question of Is mcdonald's a multi-domestic company?

    Response = press response key with index finger We also discuss several other topics like What is the definition of ventricular balance?

        (Index Finger)

KIN 312: Fall 2016 – Week 6 Natalie Wong

o Choice Reaction Time

    # of Stimuli: 2+ 

    # of Possible Responses: equal to the number of stimuli


                       1               2            3 If you want to learn more check out What is the 2nd principle of heredity?

 (Index Finger)          (Middle Finger) (Ring Finger)

*One response per signal, this means: If the red signal flashes, the index finger reacts by pressing its associated button. If the yellow signal flashes, the ring finger responds by pressing its  associated buttong.

o Discrimination Reaction Time

    # of Stimuli: 2+

    # of Possible Responses: 1 (specific)


                       1               2            3

         (Index Finger)

*Index finger only responds by tapping the response key when the red signal flashes. If the blue  or yellow signals flash, there is no response. We also discuss several other topics like What did people think about evolution before darwin?

IV. RT related to Movement Time and Response Time

o Reaction Time does NOT predict Movement Time AND Movement Time does NOT predict  Reaction Time 

o Ex: Usain Bolt – has a slow RT off the starting block, but has a very fast MT V. Fractionated Reaction Time

o Premotor Time (PRMOT) = time that elapses between the presentation of a stimulus to the  first change in EMG activity

o Motor Time (MOT) = begins with first change in EMG activity to the first sign of movement “Go” signal 1st EMG activity          (1st sign of visible movement) Initiation of Response

KIN 312: Fall 2016 – Week 6 Natalie Wong

(Time)           Premotor Time         Motor Time

                           Reaction Time

VI. Error Measures 

o 1­dimensional ***Know how to calculate these!!! 

Absolute Error (AE) = measure without regard to direction

Constant Error (CE) = measure with regard to direction

Variable Error (VE) = represents variability and consistency of performance

o Multidimensional 

Radial Error = use Pythagorean’s Theorem (a2 + b2 = c2) to solve for components of a  right triangle

Root­Mean­Square Error ( RMSE) = indicates the amount of error between the  performance curve performed and the criterion performance curve for a specific amount of  time

· For continuous motor skills ONLY! (Ex: tracking – following a cursor on a screen) VII. Kinematic Measures vs. Kinetic Measures

o Kinematics = description of motion without regard to force or mass

Displacement = describes changes in spatial location, specifically a straight line from the  start position to the end position

Velocity = rate of change of displacement over time

Acceleration = rate of change of velocity over time

o Kinematic Sequence = affects any rotational axis by going up from the ground and out  through the extremities

o Kinetics = refers to force as the cause of motion

measuring tools = force plate, strain gauge, etc

VIII. Other Measures

o EMG (electromyography) = electric activity in muscles

o EEG (electroencephalography) = electric activity in brain activity

o PET (positron emission tomography) = used for measuring the concentration od positron emitting radioisotopes within different body tissues

o fMRI (functional magnetic resonance imaging) = visualizes brain function through change in fluid flow (cerebrospinal fluid, blood)

o Lesions = remove portion of brain matter to see its effects on function (performed on lab  animals)

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