TEAM USA WARMUP Catch a sneak peek of Team USA getting ready for another day of practice in Linz, Austria. Did you know that time spent on warming up will improve an athlete's level of performance and accelerate the recovery process? How do you warm up??? #USATFCamp #TeamUSA #Linz #Austria #Chicago #Sprints #TrackNation #IAAFWorldChamps #Athletics #100meters #200meters #eliteathletes #TrackAndField