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Open AccessLetter

Validity of a New 3-D Motion Analysis Tool for the Assessment of Knee, Hip and Spine Joint Angles during the Single Leg Squat

1
Physiotherapy Utrecht Oost, Bloemstraat 65D, 3581 WD Utrecht, The Netherlands
2
Amsterdam Collaboration on Health and Safety in Sports, Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
3
Knowledge Centre of Sports and Physical Activity, 6717 LZ Ede(GLD) Horapark 4, The Netherlands
4
Dutch Center for Allied Health Care (NPi), Berkenweg 7, 3818 LA Amersfoort, The Netherlands
5
Avans+, Heerbaan 14-40, 4817 NL Breda, The Netherlands
6
Physiotherapy Dukenburg Nijmegen, Aldenhof 70-03, 6537 DZ Nijmegen, The Netherlands
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(16), 4539; https://doi.org/10.3390/s20164539
Received: 8 July 2020 / Revised: 7 August 2020 / Accepted: 8 August 2020 / Published: 13 August 2020
Aim: Study concurrent validity of a new sensor-based 3D motion capture (MoCap) tool to register knee, hip and spine joint angles during the single leg squat. Design: Cross-sectional. Setting: University laboratory. Participants: Forty-four physically active (Tegner ≥ 5) subjects (age 22.8 (±3.3)) Main outcome measures: Sagittal and frontal plane trunk, hip and knee angles at peak knee flexion. The sensor-based system consisted of 4 active (triaxial accelerometric, gyroscopic and geomagnetic) sensors wirelessly connected with an iPad. A conventional passive tracking 3D MoCap (OptiTrack) system served as gold standard. Results: All sagittal plane measurement correlations observed were very strong for the knee and hip (r = 0.929–0.988, p < 0.001). For sagittal plane spine assessment, the correlations were moderate (r = 0.708–0.728, p < 0.001). Frontal plane measurement correlations were moderate in size for the hip (ρ = 0.646–0.818, p < 0.001) and spine (ρ = 0.613–0.827, p < 0.001). Conclusions: The 3-D MoCap tool has good to excellent criterion validity for sagittal and frontal plane angles occurring in the knee, hip and spine during the single leg squat. This allows bringing this type of easily accessible MoCap technology outside laboratory settings. View Full-Text
Keywords: validity; 3-D motion analysis; single leg squat; motion capture; clinical validity; 3-D motion analysis; single leg squat; motion capture; clinical
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MDPI and ACS Style

Tak, I.; Wiertz, W.-P.; Barendrecht, M.; Langhout, R. Validity of a New 3-D Motion Analysis Tool for the Assessment of Knee, Hip and Spine Joint Angles during the Single Leg Squat. Sensors 2020, 20, 4539. https://doi.org/10.3390/s20164539

AMA Style

Tak I, Wiertz W-P, Barendrecht M, Langhout R. Validity of a New 3-D Motion Analysis Tool for the Assessment of Knee, Hip and Spine Joint Angles during the Single Leg Squat. Sensors. 2020; 20(16):4539. https://doi.org/10.3390/s20164539

Chicago/Turabian Style

Tak, Igor; Wiertz, Willem-Paul; Barendrecht, Maarten; Langhout, Rob. 2020. "Validity of a New 3-D Motion Analysis Tool for the Assessment of Knee, Hip and Spine Joint Angles during the Single Leg Squat" Sensors 20, no. 16: 4539. https://doi.org/10.3390/s20164539

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