Join fitness trainer Katie Austin for a 15-minute no-equipment cardio and core workout, alongside class members Nikita Chaudhry and Paulyn Baens. In this routine, you'll power through creative, ...

Depending on your fitness level, you can use this to get started or give yourself an easy day. This workout gets the heart pumping and works the entire core system (from hips to shoulders), which is ...

Working a combination of cardio and the core system of muscles can complement a leg day focusing on muscle stamina. If you are looking for a routine that can help you with the demands of rucking or ...