Megan Roup, who's been the trainer to Dakota Johnson, Miranda Kerr, Molly Sims, Elsa Hosk and Whitney Port, has developed a series of exercises that can be done in under 10 minutes. (Photo: Courtesy ...

This cardio session may be short, but it'll still challenge your body in the moment. Using dance-inspired movements, fitness instructor Rachel McClusky leads you through a family-friendly routine ...

Dancer and choreographer Kaleila Jordan will have you sweating in this quick and festive 10-minute dance session, combining holiday-themed hip-hop moves with high-intensity interval training.

WHEN THINGS GET busy, exercise is typically the first thing erased from my to-do list. And I’m certainly not the only one—“lack of time” is one of the most commonly cited barriers to exercise, ...