Question 1

Normalising EMGs is often performed by:

Accepted Answer

A)  Dividing the EMG amplitude from the task by the EMG amplitude from the same muscle recorded during a maximal voluntary contraction. 
B)  Multiplying the EMG amplitude from the task by the EMG amplitude from the same muscle recorded during a maximal voluntary contraction. 
C)  Dividing the EMG amplitude from the task by the EMG amplitude from an antagonist muscle recorded a maximal voluntary contraction. 
D)  Dividing the EMG amplitude from the task by the EMG amplitude from the same muscle recorded during a sub-maximal voluntary contraction) 
E)  Multiplying the EMG amplitude from the task by the EMG amplitude from the same muscle recorded during a sub-maximal voluntary contraction. 
A)  Dividing the EMG amplitude from the task by the EMG amplitude from the same muscle recorded during a maximal voluntary contraction. 
B)  Multiplying the EMG amplitude from the task by the EMG amplitude from the same muscle recorded during a maximal voluntary contraction. 
C)  Dividing the EMG amplitude from the task by the EMG amplitude from an antagonist muscle recorded a maximal voluntary contraction. 
D)  Dividing the EMG amplitude from the task by the EMG amplitude from the same muscle recorded during a sub-maximal voluntary contraction) 
E)  Multiplying the EMG amplitude from the task by the EMG amplitude from the same muscle recorded during a sub-maximal voluntary contraction.

Question 2

The process via which data from multiple sensor types is combined is known as

Accepted Answer

A)  Sensor mapping 
B)  Calculus 
C)  Sensor fusion 
D)  Trigonometry 
E)  Data fusion 
A)  Sensor mapping 
B)  Calculus 
C)  Sensor fusion 
D)  Trigonometry 
E)  Data fusion

Question 3

In electromyography recordings, a spike in the frequency domain around 50 or 60 Hz is likely related to

Accepted Answer

A)  an intense burst of muscle activity 
B)  the fundamental frequency of the country's alternating current (A
C)  power supply 
C)  skin movement artefact 
D)  crosstalk from nearby muscles 
E)  the physiological rhythm of the heart's beat 
A)  an intense burst of muscle activity 
B)  the fundamental frequency of the country's alternating current (A
C)  power supply 
C)  skin movement artefact 
D)  crosstalk from nearby muscles 
E)  the physiological rhythm of the heart's beat

Question 4

Isokinetic testing is when the limb is tested under a variable speed situation

Accepted Answer

A) True 
 B)False

Question 5

An isokinetic dynamometer is a device that can test a limb in an isokinetic, isometric and isotonic mode

Accepted Answer

A) True 
 B)False

Question 6

Digitisation errors may be caused by

Accepted Answer

A)  other physiological signals (e.g. ECG) 
B)  skin movement over the underlying skeleton 
C)  the country's alternating current frequency 
D)  limitations in the resolution of the digitising system 
E)  fluctuations in ambient temperature 
A)  other physiological signals (e.g. ECG) 
B)  skin movement over the underlying skeleton 
C)  the country's alternating current frequency 
D)  limitations in the resolution of the digitising system 
E)  fluctuations in ambient temperature

Question 7

The Hanning algorithm offers greater flexibility than alternate methods, such as the 2nd order Butterworth algorithm

Accepted Answer

A) True 
 B)False

Question 8

What is one of the most effective ways to execute a flat serve in tennis?

Accepted Answer

For an effective execution of the flat s

Question 9

Why do you think that the individual track pursuit world record in cycling has not changed since 2011?

Accepted Answer

Rule changes and conditions, b

Question 10

If a 85 kg adult was standing on one leg and the surface area under their foot was 0.017 m2, how many kilopascals of pressure would they be exerting on the ground?

Accepted Answer

A)  49050 kPa 
B)  5000 kPa 
C)  14.175 kPa 
D)  49.050 kPa 
E)  14175 kPa 
A)  49050 kPa 
B)  5000 kPa 
C)  14.175 kPa 
D)  49.050 kPa 
E)  14175 kPa

Question 11

What is/are important consideration(s) for performance in track cycling?

Accepted Answer

A)  The aerodynamics of the bike 
B)  The position of the rider on the bike 
C)  The UCI rules 
D)  The aerodynamics of the rider 
E)  All of these 
A)  The aerodynamics of the bike 
B)  The position of the rider on the bike 
C)  The UCI rules 
D)  The aerodynamics of the rider 
E)  All of these

Question 12

The combination of Newton's Law of Acceleration and Hooke's Law reveals that the change in a spring's length is proportional to the acceleration of the system.

Accepted Answer

A) True 
 B)False

Question 13

An electromyogram recorded using two 10 mm x 1 mm bar electrodes may contain signals from approximately how many motor units (MUs)?

Accepted Answer

A)  Between 5 and 10 MUs 
B)  Between 20 and 50 MUs 
C)  Between 1000 and 2000 MUs 
D)  All of the MUs contained within the muscle of interest 
E)  Just the single MU directly beneath the electrodes 
A)  Between 5 and 10 MUs 
B)  Between 20 and 50 MUs 
C)  Between 1000 and 2000 MUs 
D)  All of the MUs contained within the muscle of interest 
E)  Just the single MU directly beneath the electrodes

Question 14

When a raw EMG is processed to derive the Average Rectified EMG value (ARV), what effect does increasing the length of the time window over which the signal is 'averaged' (e.g. from 50 ms to 100 ms) have on the final processed EMG?

Accepted Answer

A)  It creates a rectified EMG 
B)  It has no effect 
C)  It creates a normalised EMG 
D)  It creates a noisier processed EMG, similar to the rectified EMG 
E)  It creates a smoother processed EMG, further removed from the rectified EMG 
A)  It creates a rectified EMG 
B)  It has no effect 
C)  It creates a normalised EMG 
D)  It creates a noisier processed EMG, similar to the rectified EMG 
E)  It creates a smoother processed EMG, further removed from the rectified EMG

Question 15

Today, it is possible to use a tennis racket that will measure the number and type of shots that you make in a game or match.

Accepted Answer

A) True 
 B)False

Question 16

The purpose of static calibration is to set the origin of the global coordinate system

Accepted Answer

A) True 
 B)False

Question 17

Provide an example of a piece of sporting equipment that would be designed to have an increased surface area and explain why this design is important

Accepted Answer

Examples might include any piece of prot

Question 18

Prior to data collection, the calibrated area should be

Accepted Answer

A)  of about the same size as would be required to perform the desired movement 
B)  of a smaller size than would be required to perform the desired movement 
C)  either larger or smaller than would be required to perform the desired movement 
D)  of a larger size than would be required to perform the desired movement 
E)  of no interest to the researcher, as calibration is only a formality 
A)  of about the same size as would be required to perform the desired movement 
B)  of a smaller size than would be required to perform the desired movement 
C)  either larger or smaller than would be required to perform the desired movement 
D)  of a larger size than would be required to perform the desired movement 
E)  of no interest to the researcher, as calibration is only a formality

Question 19

Which of the following is not true of a 'passive' 3D optoelectronic motion analysis systems?

Accepted Answer

A)  They require at least 2 cameras to reconstruct the 3D position of markers 
B)  They can be integrated with other equipment, such as force platforms 
C)  They incorporate cameras that are capable of capturing data at high-speeds 
D)  They comprise cameras that emit infra-red light 
E)  They utilise joint markers that actively emit infrared light that is registered by the cameras 
A)  They require at least 2 cameras to reconstruct the 3D position of markers 
B)  They can be integrated with other equipment, such as force platforms 
C)  They incorporate cameras that are capable of capturing data at high-speeds 
D)  They comprise cameras that emit infra-red light 
E)  They utilise joint markers that actively emit infrared light that is registered by the cameras

Question 20

At a pressure of 1.182 Atmospheres, what would be the pressure in millimetres of Mercury (mmHG) at zero degrees celcius (0°C)?

Accepted Answer

A)  898.3 mmHg 
B)  788.2 mmHg 
C)  634.6 mmHg 
D)  912.7 mmHg 
E)  643.0 mmHg 
A)  898.3 mmHg 
B)  788.2 mmHg 
C)  634.6 mmHg 
D)  912.7 mmHg 
E)  643.0 mmHg

Normalising EMGs is often performed by:

The process via which data from multiple sensor types is combined is known as

In electromyography recordings, a spike in the frequency domain around 50 or 60 Hz is likely related to

Isokinetic testing is when the limb is tested under a variable speed situation

An isokinetic dynamometer is a device that can test a limb in an isokinetic, isometric and isotonic mode

Digitisation errors may be caused by

The Hanning algorithm offers greater flexibility than alternate methods, such as the 2nd order Butterworth algorithm

What is one of the most effective ways to execute a flat serve in tennis?

Why do you think that the individual track pursuit world record in cycling has not changed since 2011?

If a 85 kg adult was standing on one leg and the surface area under their foot was 0.017 m², how many kilopascals of pressure would they be exerting on the ground?

What is/are important consideration(s) for performance in track cycling?

The combination of Newton's Law of Acceleration and Hooke's Law reveals that the change in a spring's length is proportional to the acceleration of the system.

An electromyogram recorded using two 10 mm x 1 mm bar electrodes may contain signals from approximately how many motor units (MUs)?

When a raw EMG is processed to derive the Average Rectified EMG value (ARV), what effect does increasing the length of the time window over which the signal is 'averaged' (e.g. from 50 ms to 100 ms) have on the final processed EMG?

Today, it is possible to use a tennis racket that will measure the number and type of shots that you make in a game or match.

The purpose of static calibration is to set the origin of the global coordinate system

Provide an example of a piece of sporting equipment that would be designed to have an increased surface area and explain why this design is important

Prior to data collection, the calibrated area should be

Which of the following is not true of a 'passive' 3D optoelectronic motion analysis systems?

At a pressure of 1.182 Atmospheres, what would be the pressure in millimetres of Mercury (mmHG) at zero degrees celcius (0°C)?

Kinematics of Linear Motion

Kinetics of Linear Motion

Kinematics and Kinetics of Angular Motion

Muscle and Joint Kinematics and Kinetics

Special Topics

Human Movement Applications

Filters

Exam 7: Measurement and Analysis Techniques

Normalising EMGs is often performed by:

The process via which data from multiple sensor types is combined is known as

In electromyography recordings, a spike in the frequency domain around 50 or 60 Hz is likely related to

Isokinetic testing is when the limb is tested under a variable speed situation

An isokinetic dynamometer is a device that can test a limb in an isokinetic, isometric and isotonic mode

Digitisation errors may be caused by

The Hanning algorithm offers greater flexibility than alternate methods, such as the 2nd order Butterworth algorithm

What is one of the most effective ways to execute a flat serve in tennis?

Why do you think that the individual track pursuit world record in cycling has not changed since 2011?

If a 85 kg adult was standing on one leg and the surface area under their foot was 0.017 m2, how many kilopascals of pressure would they be exerting on the ground?

What is/are important consideration(s) for performance in track cycling?

The combination of Newton's Law of Acceleration and Hooke's Law reveals that the change in a spring's length is proportional to the acceleration of the system.

An electromyogram recorded using two 10 mm x 1 mm bar electrodes may contain signals from approximately how many motor units (MUs)?

When a raw EMG is processed to derive the Average Rectified EMG value (ARV), what effect does increasing the length of the time window over which the signal is 'averaged' (e.g. from 50 ms to 100 ms) have on the final processed EMG?

Today, it is possible to use a tennis racket that will measure the number and type of shots that you make in a game or match.

The purpose of static calibration is to set the origin of the global coordinate system

Provide an example of a piece of sporting equipment that would be designed to have an increased surface area and explain why this design is important

Prior to data collection, the calibrated area should be

Which of the following is not true of a 'passive' 3D optoelectronic motion analysis systems?

At a pressure of 1.182 Atmospheres, what would be the pressure in millimetres of Mercury (mmHG) at zero degrees celcius (0°C)?

Kinematics of Linear Motion

Kinetics of Linear Motion

Kinematics and Kinetics of Angular Motion

Muscle and Joint Kinematics and Kinetics

Special Topics

Human Movement Applications

Filters

If a 85 kg adult was standing on one leg and the surface area under their foot was 0.017 m², how many kilopascals of pressure would they be exerting on the ground?