Luoto, S, M Hupli, H Alaranta, and H. Hurri. “Isokinetic Performance Capacity of Trunk Muscles. Part II: Coefficient of Variation in Isokinetic Measurement in Maximal Effort and in Submaximal Effort”. Journal of Rehabilitation Medicine 28, no. 4 (December 1, 1996): 207–210. Accessed May 22, 2026. https://medicaljournalssweden.se/jrm/article/view/41854.