Barnes, C., Clark, C. C., Duncan, M. J., Summers, H., & Stratton, G. (2019). Physical activity, motor competence and movement and gait quality: A principal component analysis. Human Movement Science, 68, p. 102523. doi:10.1016/j.humov.2019.102523

Barnes, Claire, Cain C.T Clark, Michael J. Duncan, Huw Summers, and Gareth Stratton. "Physical Activity, Motor Competence and Movement and Gait Quality: A Principal Component Analysis." Human Movement Science 68 (2019): 102523.

Barnes, Claire, et al. "Physical Activity, Motor Competence and Movement and Gait Quality: A Principal Component Analysis." Human Movement Science 68 (2019): 102523.