High-Intensity Interval Training
Their trainer shares the squad's favorit...
HIIT? Yoga? Strength Training? Find out...
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Tackle fitness problems head on with expert tips on how to turn an exercise you can't stand into one you love.
Science discovers why Kenyans are so fast. And yes, you can learn the superpower too!
Killing yourself at the gym? Use your time right and 60 seconds might be enough to improve your endurance and fitness.
Get more bang for your exercise buck by learning how to do strength training intervals.
The biggest trend in fitness may be setting you up for a plateau.
The Instagram sensation's high intensity circuits for arms and abs provide a sweat-inducing workout plus major results—fast.
Steal these top moves from exhale spa's Core Fusion class that will get your heart pumping and leave you soaked in sweat.
Boost your metabolism and start shedding fat—stat with this fast-paced, heart-pounding routine.
Tone your butt and thighs while blasting fat with this fast-paced plyometrics routine.
Get a tighter tummy fast with this 2-in-1 combo of high-intensity interval training and waist-whittling exercises.