Ginny MacColl, 73, got fit in her 60s and now competes in American Ninja Warrior. She started by aiming to do one pull-up, which took her a year of strength training to achieve. MacColl set ...

American Ninja Warrior's Akbar Gbaja-Biamila and Matt Iseman help out with a dance tutorial on 'Dancing With Myself.' ET has an exclusive first look at the new season of the high-energy ...