This week on Muscle & Fitness Podcast Reps, Muscle & Fitness Executive Editor Zack Zeigler (@zraz) and celebrity trainer Don Saladino (@donsaladino) and sit down with Dr. Pat Davidson (@dr.patdavidson)—an exercise physiologist, author, and strength and conditioning coach—to discuss his background, movement variability, and his upcoming seminars in Boston on June 8 and 9, 2019.