How well future pros sprint, jump and lift weights at the NFL Scouting Combine may tell us only a little bit about their career success.
Research suggests most North American college and professional hockey players don't specialize as youngsters.
New research suggests that despite being tired, athletes can still sprint at top speed near the end of a long match.
Trainers have used Lasix for decades to reduce bleeding and improve performance in North American racehorses.
Researchers took a detailed look at 17 years of training records for Norway's Marit Bjørgen.