The Calorie Burning Calculation System in Jogging Using a Thresholding-Based Accelerometer Sensor

Abstract

Jogging has benefits for burning calories as well as for losing the weight of the body. However, the reality that often happens is that sportsmen overwork their body in exercising so that it has passed its normal threshold. This causes over or lower calorie burning in these athletes. To overcome these problems, we need a device that can later monitor calorie burning. This device is created on an Android-based platform using an accelerometer sensor. Using this sensor, the system can count the number of a person’s steps previously obtained through the threshold value as the threshold value to determine the steps. Calculation of calorie burning uses a formula that involves the number of footsteps, time, and weight of the user. This application testing involved 15 participants by comparing the calorie burning results through the application and manual calculation, so that the overall error percentage of 0.60% was obtained, so it can be concluded that 99.40% of the calorie burning calculation system in jogging using a thresholding-based accelerometer sensor is appropriate for athletes to provide information of their calories burning in jogging.

Full text

Cite: Okmayura, F., Jefiza, A., & Ramadhani, W. (2020). The calorie burning calculation system in jogging using a thresholding-based accelerometer
sensor. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control, 5(2).
doi:https://doi.org/10.22219/kinetik.v5i2.1005
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
Journal homepage: http://kinetik.umm.ac.id
ISSN: 2503-2267
Vol. 4, No. 3, August 2019, Pp. 277-288
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
Journal homepage: http://kinetik.umm.ac.id
ISSN: 2503-2267
Vol. 5, No. 2, May 2020, Pp. 103-110
103
The calorie burning calculation system in jogging using a
thresholding-based accelerometer sensor
Finanta Okmayura*1, Adlian Jefiza2, Witri Ramadhani3
Universitas Muhammadiyah Riau, Indonesia1,3
Politeknik Negeri Batam, Indonesia2
Article Info
Abstract
Keywords:
Accelerometer, Sensor, Thresholding, Calorie
Burning, Jogging
Article history:
Received 10 December 2019
Revised 14 April 2020
Accepted 30 April 2020
Available 06 May 2020
Cite:
Okmayura, F., Jefiza, A., & Ramadhani, W.
(2020). The calorie burning calculation system
in jogging using a thresholding-based
accelerometer sensor. Kinetik: Game
Technology, Information System, Computer
Network, Computing, Electronics, and Control,
5(2).
doi:https://doi.org/10.22219/kinetik.v5i2.1005
*Corresponding author.
Finanta Okmayura
E-mail address:
finantaokmayura@umri.ac.id
Jogging has benefits for burning calories as well as for losing the weight of the
body. However, the reality that often happens is that sportsmen overwork their
body in exercising so that it has passed its normal threshold. This causes over
or lower calorie burning in these athletes. To overcome these problems, we
need a device that can later monitor calorie burning. This device is created on
an Android-based platform using an accelerometer sensor. Using this sensor,
the system can count the number of a person’s steps previously obtained
through the threshold value as the threshold value to determine the steps.
Calculation of calorie burning uses a formula that involves the number of
footsteps, time, and weight of the user. This application testing involved 15
participants by comparing the calorie burning results through the application
and manual calculation, so that the overall error percentage of 0.60% was
obtained, so it can be concluded that 99.40% of the calorie burning calculation
system in jogging using a thresholding-based accelerometer sensor is
appropriate for athletes to provide information of their calories burning in
jogging.
1. Introduction
Exercise requires energy which is known in kilos of calories. This energy source comes from fat or from glycogen
[1]. It is really often found in public society that if someone does exercise continuously it will make them get the ideal
body weight and body shape. This is to ensure a healthier lifestyle and to reduce health problems [2].This paradigm
has been very united in people who are obese. The rise of obesity as a global epidemic makes it immensely important
to monitor food habits of a modern day person [3]. Because obese people are very worried about losing weight, they
regularly need to check the weight lost during exercise [4]. One of the easiest sport and easy to do to get the ideal
weight is jogging. Jogging is a sport that is very effective in burning calories in the body. Jogging is a type of casual
running that is meant to be less stressful than running. Usually this type of exercise is performed remotely and a period
of time. Calories burned while running cause 90% more weight loss than just walking alone. Jogging is a very effective
sport so that an athlete must monitor the calorie burning in his body.
However, it was often found that the athletes tend to do exercise without measuring the amount of calorie burning
during exercise. Whereas, this is very important because an athlete must know how many calories there are in his body
and what is the ideal number of calories for his body. But In fact that the athlete often pushes his body into exercise so
that it has exceeded its normal limits, even though the calorie content in the body is also very necessary. of course this
is very fatal for the athlete himself since this can cause over or lower combustion.
To overcome these problems, we need a device that can later monitor calorie burning. This device is built on an
Android-based platform using an accelerometer sensor. Using this sensor, the system can count the number of a
person’ssteps previously obtained through the threshold value as the threshold value to determine the step. Calculation
of calorie burning uses a formula that involves the number of footsteps, time, and weight of the user [5].
In a previous study, most cellular-based solutions for dealing with management fall only with accelerometer data
[6]. An accelerometer sensor is used by placing a sensor on one of the patient's legs to determine the number of calories
that will burn for medical rehabilitation patients [7]. In addition, the detection of steps on android smartphones using the
accelerometer sensor was still limited by the Dead Reckoning method and could not yet display the intake of lost calorie
substitutes [8]. Therefore, researchers are interested in developing an Android-based device with a thresholding-based
accelerometer sensor to monitor one's calorie burning.

Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
© 2020 The Authors. Published by Universitas Muhammadiyah Malang
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104
Based on the problems that have been described previously, the authors were interested in applying the use of
thresholding-based accelerometer sensor to calculate the calorie burning in jogging on the Android platform. The results
of this study were expected to help and facilitate athletes in controlling their calorie combustion.
2. Literature Review
2.1 Calculation of Calorie Burning
Basal Metabolic Rate (BMR) is the number of daily calories which the body needs to survive and perform
physical activity. To carry out its functions, all internal organs of the human body burn calories. It is the average of 60-
70% of the total calories which is spent in a day. To reduce 1 kg of body fat, it requires a calorie deficit of around 7200
kcals. After knowing the IMT who is obese, it can be seen how many kg of fat must be reduced, so it can also be known
how many calories must be existed and must be burned in the body.
For every sport movement, the MET (metabolic equivalent of task) value is sough which is the estimated number
of calories burned while doing sports activities within a certain time; then compared with the estimated body muscle
mass volume. In addition to finding calories burned while exercising, the same calculation can also be used to calculate
how many calories are burned for daily activities. The basic formula of MET can be seen on Equation 1 below.

 

(1)
Explanation:
EC = Exercise Calories, which is the result of calorie burning calculation
MET = Metabolic Equivalent of Task, which is the estimated calories burned during sports activities
(The MET value for jogging is 2.8 based on the Indonesia Sport Nutritionist Association (ISNA))
BB = Weight (kg)
Duration = Time spent exercising (in seconds)
In previous research, for calories burned, calculated from the number of steps walking / running done every day.
The steps are tracked using a mobile device accelerometer [9]. In addition, this calorie burning information will be
calculated where the movements are detected by the accelerometer sensor during a particular exercise and are
recorded along with the person's heart rate after each exercise [10]. Monitoring distance traveled by a person by walking
and calories burned by walking, running or jogging. An algorithm is designed that links the movements of a person's
arms with his feet when walking [11].
2.2 Sensor Accelerometer and Magnitude Threshold
An accelerometer sensor used to measure acceleration of an object. The working principle used is acceleration
[12]. The operating threshold (acceleration and energy) is used for impact detection in the accelerometer smart sensor
[13]. Current accelerometers are electromechanical devices that can measure static and linear / dynamic acceleration.
The accelerometer sensor can be used to detect the tilt in the form of the angular values of the X, Y, and Z axes. The
angular values are converted in the form of a waveform graph to easily determine the upper and lower threshold. From
the three acceleration values, it is taken one of the axes then determined the threshold value for the upper and lower
limits or can also be called the threshold above and threshold below. When conducting a trial run, the X-axis reads the
data from the foot movements, if the upper and lower threshold values correspond to the specified threshold, then a
foot step is detected. Then when walking, the resulting steps are multiplied by the average width of the foot when
walking to calculate distance. The size of the footsteps is 78cm on average or it is assumed to be a human step along
the 0,78m. Then to calculate the number of calories burning, the number of steps, time taken, and initial body weight
are needed. The coordinates of the accelerometer sensor can be seen in Figure 1 below.
Figure 1. Accelerometer Axis

Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
Cite: Okmayura, F., Jefiza, A., & Ramadhani, W. (2020). The calorie burning calculation system in jogging using a thresholding-based accelerometer
sensor. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control, 5(2).
doi:https://doi.org/10.22219/kinetik.v5i2.1005
105
The accelerometer sensor is embedded in the smartphone to get more accurate fall detection results [14]. Triaxial
accelerometer is used for smart belt systems, which can support the user's steps and flapping motion [15]. The
smartphone's built-in accelerometer is also used to detect other user's physical movements such as jumping, spinning,
etc [16]. The user's walking movements are detected through an android sensor, then analyzes the signal and calculates
walking distance and calories burned [17]. In addition, a comprehensive fall detection system for elderly care is also
integrated with the accelerometer sensor [18]. The process to detect a fall situation followed by sending notification to
colleagues can be done in real-time manners while still maintain high accuracy for certain fall situations [19]. The use
of theoretical models enables the optimization of high sensitivity accelerometer designs based on fiber Bragg grating
(FBG) [20]. Through a combination of smart phones and sensors used, patients can provide feedback on their exercise
program, while increasing medical monitoring [21].
On this system, it is given a threshold obtained from experiments and analyzes conducted previously that refer
to the value of the accelerometer sensor on footsteps. After the threshold value is known, the threshold becomes a
reference to know the foot step, if when the foot step counter is mounted to the user's foot and the accelerometer sensor
value exceeds the threshold, the system will count as a foot step (value 1) and if the accelerometer sensor value is less
than the threshold then the system will recognize that the user is not stepping (value 0).
3. Research Method
In this study, an application was developed an application using a smartphone as a data acquisition platform,
because this device provides a user-friendly interface [22]. Smart phones with touch screens have become very popular
and have changed people's behavior due to the many applications and features attached to them [23]. This application
will count the number of footsteps taken as well as the number of burning calories produced during exercise, then
monitored using the Android application. The presence of android smartphone technology that already supports the
Accelerometer sensor which has accuracy in calculating footsteps on the android operating system [24]. The works way
of this application is shown in Figure 2 below.
Start
Input the weight,
height, gender
See the
sensor data
There are steps
Update the number of
steps
Show the distance
(number of steps * 0,78)
Show the result of
Burning calories
Finish
Yes
No
Figure 2. Flowchart Application
Figure 2 is the overall system that was developed in this study. At the beginning of this system, it was asked to
input the of height, weight, and gender of the user. Then the athlete started jogging. During exercise, the accelerometer
sensor worked to detect the number of footsteps. Next, the system displayed the total distance traveled based on these
footsteps multiplied by 0,78. And at the same time, the system w also displayed the amount of burning calories produced
during jogging.

Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
© 2020 The Authors. Published by Universitas Muhammadiyah Malang
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106
To know the results of calories burning, there were several steps that must be followed. First, determine the value
of the magnitude. This value is used to determine the acceleration value in three axes, namely the x, y, and z axes,
each of which is symbolized in Ax, Ay, and Az.
3.1 Determine the value of magnitude
After the data is calculated based on the scale, the magnitude value of the xyz axis data on the accelerometer is
calculated by using the following Equation 2 [25].

(2)
After the magnitude value was known, then the following curve can be seen in Figure 3.
Figure 3. Data Sample Graph
The graph in Figure 3 above shows the value obtained in one jogging on the accelerometer sensor. The next
step is to determine the threshold value.
3.2 Determine the Threshold Value (Ω)
After the magnitude value was obtained, the next step was to look for the threshold value and it can be seen in
Figure 4.
Figure 4. Graph when the Threshold Value was at > 20
0
5
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20
25
30
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0
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25
30
1
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66
71
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126

Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
Cite: Okmayura, F., Jefiza, A., & Ramadhani, W. (2020). The calorie burning calculation system in jogging using a thresholding-based accelerometer
sensor. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control, 5(2).
doi:https://doi.org/10.22219/kinetik.v5i2.1005
107
Threshold value was the threshold value used to determine steps. In this case the threshold value used was 20.
Determination of this threshold value is based on the average Att value obtained in the accelerometer sensor (based
on Equation 2). If Ω > 20, then it was given a value of 1, and if Ω < 20 then it was given a value of 0. Furthermore, the
threshold value of 1 was calculated as 1 step. Then the total steps were obtained by adding up all the threshold values
of 1. So that it was obtained 51 steps and the curve became in the form of zero (0) and one (1) logic pulse signals. So,
the condition of the curve would be like the following Figure 5.
Figure 5. The Graph after the Threshold Value Changes to 0 and 1
3.3 Determine the Total Jogging Distance
After obtaining the number of footsteps, then the total distance traveled could be searched. Then when walking,
the resulting steps were multiplied by the average width of the foot when walking to calculate distance. The United
States customary units declare that the standardized unit of each human step is naturally calculated from the tip of the
foot that is in front of the end of the previous leg. The size of the footsteps alone was on average 78 cm or it was
assumed that a human step was 0,78 m long [7]. So, the formula for determining distance was as follows on Equation
3.

(3)
So, the distance traveled for jogging was 51 x 0.78 = 39.78 m
3.4 Determining Calorie Burning Results
Besides displaying distance, the application also displayed the results of calories burning. The following is a
formula for calculating calorie burn symbolized by EC or Calorie Training obtained based on Equation 1.

 

 
 



4. Results and Discussion
The application of calorie burning calculation in jogging using a thresholding-based accelerometer sensor was
called the Jogging Calories Burning Calculation (JCBC). The following was the display of the application when a new
user first entered this JCBC application. It could be seen several menus in the application, namely jogging menu, health
info and about us. Each menu has its own function. Before using this menu, the user must first fill in some data, namely
name, age, gender, weight, and height. This data was useful to determine how the results of calories burning done by
users during jogging by clicking on the start button first. After the start button is clicked, it is a sign that jogging has
begun and footsteps start from here. How the application works can be seen in Figure 6 below.
0
0.2
0.4
0.6
0.8
1
1.2
1
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101
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111
116
121
126

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© 2020 The Authors. Published by Universitas Muhammadiyah Malang
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108
Based on Figure 6 above, after the user pressed the start button, the jogging application ran, then on the
smartphone screen, it could be seen the jogging sport time and the number of steps during exercise. When the user
finished doing jogging, the information and the page of the calorie burning results were appeared. Not only information
on burning calories during jogging, the application also provided the information of the time, the total steps and the total
distance taken during jogging.
Figure 6. Application of JCBC
To strengthen the accuracy of the results of calorie burning applications in jogging using this threshold-based
accelerometer sensor, the researchers tested it with several participants. This test compares the amount of calorie
burning in the JCBC application with a manual calculation based on Equation 1. This test can be seen in the following
Table 1.
Table 1. Testing Applications for Manual Calculations
No.
Nama
Gender
Weight
(kg)
Duration
(second)
The Number
Calorie
Burning in
Application
The
Number
Calorie
Burning in
manual
Error
Percentage
1
Participant 1
P
55
219
47,60987
47,60
0,98 %
2
Participant 2
L
65
478
122,80935
122,80
0,93 %
3
Participant 3
L
70
131
36,24595
36,24
0,59 %
4
Participant 4
L
66
90
23,47884
23,47
0,88 %
5
Participant 5
P
62
113
27,69238
27,69
0,23 %
6
Participant 6
L
60
122
28,93352
28,93
0,35 %
7
Participant 7
P
58
143
32,78342
32,78
0,34 %
8
Participant 8
L
49
412
79,79643
79,79
0,64 %
9
Participant 9
L
56
141
31,21026
31,21
0,02 %
10
Participant 10
P
58
323
74,04926
74,04
0,92 %
11
Participant 11
P
63
267
66,48781
66,48
0,78 %
12
Participant 12
P
65
158
40,59389
40,59
0,38 %
13
Participant 13
L
71
214
60,05682
60,05
0,68 %
14
Participant 14
P
62
542
132,82541
132,82
0,54 %
15
Participant 15
P
60
388
92,01808
92,01
0,80 %
Based on testing that has been done 15 times according to Table 1, it can calculate the error value or the
difference in the value of the entire calculation in this system with the Equation 4 as follows.



 


(4)

Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
Cite: Okmayura, F., Jefiza, A., & Ramadhani, W. (2020). The calorie burning calculation system in jogging using a thresholding-based accelerometer
sensor. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control, 5(2).
doi:https://doi.org/10.22219/kinetik.v5i2.1005
109
Based on calculations in Equation 4 above, the overall error value in testing this system is 0.60%, so it can be
concluded that this system 99.40% of applications can be used and is worthy of being used as a tool for athletes when
jogging to find out the calorie burning results during exercise.
5. Conclusion
By using this Jogging Calories Burning Calculation (JCBC) application, researchers hoped that this application
can make it easier for athletes to get their calorie burning information while jogging. From the results of tests that have
been carried out, it was found that the calorie burning results in the application were in accordance with manual
calculations based on body weight and there was no differences, so it could be concluded that this application was
suitable and fit for athletes when jogging to find out the results of burning calories during exercise.
Acknowledgement
The researchers thanked to the Directorate of Research and Community Service, the Directorate General of
Research and Development of the Ministry of Research, Technology and Higher Education, for funding this research in
2019 entitled the calorie burning calculation system in jogging using a thresholding-based accelerometer sensor.
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Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
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