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. 2017 Jan 9;7(2):191–196. doi: 10.1016/j.jshs.2017.01.003

Fig. 1.

Fig. 1

Overview of study design. Participants completed a pre-training muscle biopsy trial involving a single bout of HIIE, 20 days of HIIT comprised of morning (a.m.) and afternoon (p.m.) sessions, and a post-training muscle biopsy trial involving the same bout of HIIE as pre-training. Bx = muscle biopsy; HIIE = high-intensity interval exercise; HIIT = high-intensity interval training; Wpeak = peak power output.