A Full-Body HIIT Workout You Can Do in Under 15 Minutes From Celebrity Trainer Jeanette Jenkins

For celebrity trainer Jeanette Jenkins, fitness can double as family bonding. On Tuesday, the Los Angeles–based creator of the Hollywood Trainer posted an Instagram video of her and her 14-year-old niece, Lexi Jenkins, smiling as they moved through a high-intensity interval training (HIIT) workout together. “[Lexi] is an incredible athlete so this was an opportunity […]