Waller, M. ., Robinson, T. ., Holman, D. ., & Gersick, M. . (2016). The Effects of Repeated Push Sled Sprints on Blood Lactate, Heart Rate Recovery and Sprint Times. Journal of Sports Research, 3(1), 1–9. https://doi.org/10.18488/journal.90/2016.3.1/90.1.1.9