Today, athletes use more structured interval training workouts and HIT (High-Intensity Training) to build speed and endurance. 1  This variation of interval training and speed work can be a simple or sophisticated routine, but the basics are still the same as the original fartlek training.
Annabella Avery Bella Thorne (born October 8, 1997) is an American actress and singer.
As the Inquisitr previously reported, Bella is becoming a bit of a scream queen with her roles in the new Amityville horror movie and the MTV Scream series based on the popular scary film franchise. According to Splash News, Thorne also recently wrapped filming on a Lifetime movie titled Perfect High.