Exploring the Viability of Encouraging Person-Adaptive Exercise During a 2-Week Microcycle: A Mixed-Method Study of Flexible Nonlinear Periodization. - Strohacker, Kelley; Ibrahim, Adam H.; Beaumont, Cory T.; John, Jannika M.; Blanton, Jedediah; Coe, Dawn P. (Journal of Sport & Exercise Psychology, 2026)