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.
Bella Thorne has had something of a turbulent love life this year. And on Tuesday, after a Monday night Snapchat post hinting at it, she made an announcement on Twitter that added another element to the story. Responding to a Twitter user who asked, 'are you bisexual?' she gave the taciturn reply: 'Yes.' Scroll down for video