Napier, C., MacLean, C. L., Maurer, J., Taunton, J. E., Hunt, M. A. Julkaisussa Journal of Orthopaedic & Sports Physical Therapy (2018)
Cheung, R. T. H., Davis, I. S. Julkaisussa Journal of Orthopaedic & Sports Physical Therapy (2011)
Crowell, H. P., Milner, C. E., Hamill, J., Davis, I. S. Julkaisussa Journal of Orthopaedic & Sports Physical Therapy (2010)