The Validity of a Three-Dimensional Motion Capture System and the Garmin Running Dynamics Pod in Connection with an Assessment of Ground Contact Time While Running in Place
A three-dimensional motion capture system (MoCap) and the Garmin Running Dynamics Pod can be utilised to monitor a variety of dynamic parameters during running. The present investigation was designed to examine the validity of these two systems for determining ground contact times while running in p...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-08-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/23/16/7155 |
| _version_ | 1797583271305936896 |
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| author | Miha Drobnič Nina Verdel Hans-Christer Holmberg Matej Supej |
| author_facet | Miha Drobnič Nina Verdel Hans-Christer Holmberg Matej Supej |
| author_sort | Miha Drobnič |
| collection | DOAJ |
| description | A three-dimensional motion capture system (MoCap) and the Garmin Running Dynamics Pod can be utilised to monitor a variety of dynamic parameters during running. The present investigation was designed to examine the validity of these two systems for determining ground contact times while running in place by comparing the values obtained with those provided by the bilateral force plate (gold standard). Eleven subjects completed three 20-s runs in place at self-selected rates, starting slowly, continuing at an intermediate pace, and finishing rapidly. The ground contact times obtained with both systems differed significantly from the gold standard at all three rates, as well as for all the rates combined (<i>p</i> < 0.001 in all cases), with the smallest mean bias at the fastest step rate for both (11.5 ± 14.4 ms for MoCap and −81.5 ± 18.4 ms for Garmin). This algorithm was developed for the determination of ground contact times during normal running and was adapted here for the assessment of running in place by the MoCap, which could be one explanation for its lack of validity. In conclusion, the wearables developed for monitoring normal running cannot be assumed to be suitable for determining ground contact times while running in place. |
| first_indexed | 2024-03-10T23:35:32Z |
| format | Article |
| id | doaj.art-4ca497195b214ffab97becaed42c5e08 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-10T23:35:32Z |
| publishDate | 2023-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-4ca497195b214ffab97becaed42c5e082023-11-19T02:57:36ZengMDPI AGSensors1424-82202023-08-012316715510.3390/s23167155The Validity of a Three-Dimensional Motion Capture System and the Garmin Running Dynamics Pod in Connection with an Assessment of Ground Contact Time While Running in PlaceMiha Drobnič0Nina Verdel1Hans-Christer Holmberg2Matej Supej3Faculty of Sport, University of Ljubljana, 1000 Ljubljana, SloveniaDepartment of Health Sciences, Mid Sweden University, 83125 Östersund, SwedenDepartment of Health Sciences, Luleå University of Technology, 97187 Luleå, SwedenFaculty of Sport, University of Ljubljana, 1000 Ljubljana, SloveniaA three-dimensional motion capture system (MoCap) and the Garmin Running Dynamics Pod can be utilised to monitor a variety of dynamic parameters during running. The present investigation was designed to examine the validity of these two systems for determining ground contact times while running in place by comparing the values obtained with those provided by the bilateral force plate (gold standard). Eleven subjects completed three 20-s runs in place at self-selected rates, starting slowly, continuing at an intermediate pace, and finishing rapidly. The ground contact times obtained with both systems differed significantly from the gold standard at all three rates, as well as for all the rates combined (<i>p</i> < 0.001 in all cases), with the smallest mean bias at the fastest step rate for both (11.5 ± 14.4 ms for MoCap and −81.5 ± 18.4 ms for Garmin). This algorithm was developed for the determination of ground contact times during normal running and was adapted here for the assessment of running in place by the MoCap, which could be one explanation for its lack of validity. In conclusion, the wearables developed for monitoring normal running cannot be assumed to be suitable for determining ground contact times while running in place.https://www.mdpi.com/1424-8220/23/16/71553D kinematicsaccelerometerforce plateIMUinertial sensorperformance |
| spellingShingle | Miha Drobnič Nina Verdel Hans-Christer Holmberg Matej Supej The Validity of a Three-Dimensional Motion Capture System and the Garmin Running Dynamics Pod in Connection with an Assessment of Ground Contact Time While Running in Place Sensors 3D kinematics accelerometer force plate IMU inertial sensor performance |
| title | The Validity of a Three-Dimensional Motion Capture System and the Garmin Running Dynamics Pod in Connection with an Assessment of Ground Contact Time While Running in Place |
| title_full | The Validity of a Three-Dimensional Motion Capture System and the Garmin Running Dynamics Pod in Connection with an Assessment of Ground Contact Time While Running in Place |
| title_fullStr | The Validity of a Three-Dimensional Motion Capture System and the Garmin Running Dynamics Pod in Connection with an Assessment of Ground Contact Time While Running in Place |
| title_full_unstemmed | The Validity of a Three-Dimensional Motion Capture System and the Garmin Running Dynamics Pod in Connection with an Assessment of Ground Contact Time While Running in Place |
| title_short | The Validity of a Three-Dimensional Motion Capture System and the Garmin Running Dynamics Pod in Connection with an Assessment of Ground Contact Time While Running in Place |
| title_sort | validity of a three dimensional motion capture system and the garmin running dynamics pod in connection with an assessment of ground contact time while running in place |
| topic | 3D kinematics accelerometer force plate IMU inertial sensor performance |
| url | https://www.mdpi.com/1424-8220/23/16/7155 |
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