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Analysis of change of direction performance with dominant and non-dominant leg using linear and nonlinear approaches

Lookup NU author(s): Dr Javad SarvestanORCiD


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This study was aimed to analyse the lower limb kinematics during the change of direction (COD) performance with the dominant (DL) and non-dominant (NDL) leg using linear (traditional kinematics) and nonlinear (Self Organising Map-based cluster analysis) approaches. Three 5-0-5 COD performances with the DL and three with the NDL were performed by 23 (aged 21.6 ± 2.3 years) collegiate athletes. No significant difference was observed between the COD duration, and approach speed of DL and NDL. Significantly greater ankle abductions, knee and hip external rotations were identified in COD with DL, compared to NDL (p < .001, d > 0.8). Self Organising Maps portrayed a completely different coordination pattern profile during change of direction performance with the DL and NDL. The cluster analysis illustrated similar inter-individual coordination patterning when participants turned with their DL or NDL. No visible relationship was observed in the cluster analysis of the lower limb joint angles and angular velocities. Outcomes of this study portrayed that coordination patterning (combination of joint angles and the rate of change of angles) could portray the movement patterning differences in different tasks, while a sole investigation on the joint angles or angular velocities may not reveal the underlying mechanisms of movement patterning.

Publication metadata

Author(s): Sarvestan J, Shirzad E, Arshi A, Mousavian F

Publication type: Article

Publication status: Published

Journal: Sports Biomechanics

Year: 2022

Pages: epub ahead of print

Online publication date: 29/09/2022

Acceptance date: 09/08/2022

ISSN (print): 1476-3141

ISSN (electronic): 1752-6116

Publisher: Routledge


DOI: 10.1080/14763141.2022.2112750


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