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Three-dimensional assessment of squats and drop jumps using the Microsoft Xbox One Kinect: Reliability and validity
Journal article   Open access   Peer reviewed

Three-dimensional assessment of squats and drop jumps using the Microsoft Xbox One Kinect: Reliability and validity

Benjamin Mentiplay, Ksaniel Hasanki, Luke G Perraton, Yong-Hao Pua, Paula Charlton and Ross Clark
Journal of Sports Sciences, Vol.36(19), pp.2202-2209
2018
DOI: https://doi.org/10.1080/02640414.2018.1445439
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Three-dimensional assessment of squats and drop jumps using the Microsoft Xbox One Kinect - Reliability and validity876.19 kBDownloadView
Accepted Version Open Access
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https://doi.org/10.1080/02640414.2018.1445439View
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Abstract

lower extremity knee injuries video games rehabilitation
The Microsoft Xbox One Kinectâ„¢ (Kinect V2) contains a depth camera that can be used to manually identify anatomical landmark positions in three-dimensions independent of the standard skeletal tracking, and therefore has potential for low-cost, time-efficient three-dimensional movement analysis (3DMA). This study examined inter-session reliability and concurrent validity of the Kinect V2 for the assessment of coronal and sagittal plane kinematics for the trunk, hip and knee during single leg squats (SLS) and drop vertical jumps (DVJ). Thirty young, healthy participants (age = 23±5yrs, male/female = 15/15) performed a SLS and DVJ protocol that was recorded concurrently by the Kinect V2 and 3DMA during two sessions, one week apart. The Kinect V2 demonstrated good to excellent reliability for all SLS and DVJ variables (ICC ≥0.73). Concurrent validity ranged from poor to excellent (ICC = 0.02 to 0.98) during the SLS task, although trunk, hip and knee flexion and two-dimensional measures of knee abduction and frontal plane projection angle all demonstrated good to excellent validity (ICC ≥0.80). Concurrent validity for the DVJ task was typically worse, with only two variables exceeding ICC = 0.75 (trunk and hip flexion). These findings indicate that the Kinect V2 may have potential for large-scale screening for ACL injury risk, however future prospective research is required.

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