Crossfit training changes brain-derived neurotrophic factor and irisin levels at rest, after wingate and progressive tests, and improves aerobic capacity and body composition of young physically active men and women. Murawska-Cialowicz E, Wojna J, Zuwala-Jagiello J J Physiol Pharmacol. 2015 Dec; 66(6):811-21. PMID: 26769830. Abstract CommentRecommendBookmarkWatch