Classic Physique bodybuilder Mike Sommerfeld smashed two intense workouts on a low-carb diet ahead of the 2025 Arnold Classic.

Discover how this comprehensive 7-day HIIT program maximizes fitness gains through expert-designed workouts and evidence-based recovery strategies.

Place the kettlebell on an exercise mat (and be sure to use one if you have a hard floor surface), then adopt a high plank ...

Day Ultimate HIIT Challenge will boost your metabolism and build strength. Access the full program schedule and workout ...

If you have less than 20 minutes, you have all the time you need to get toned from head to toe with this total body dumbbell workout from the Women’s Health+ Ultimate HIIT Challenge. Today's exercise ...

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“If you are new to strength training, the first objective would be to create a plan around ... one day of high-intensity cardio per week. You can aim to do no more than 30 minutes of high ...

To be honest, I’m not a fan of core training either and find them ... I’ll take you over a week-by-week breakdown of my 30-day plank challenge, so you can learn from my experience and scale the ...

Leah Groth has decades of experience covering all things health, wellness and fitness related. This content references scientific studies and academic research, and is fact-checked to ensure accuracy.

For the full 28-day transformation program including daily workout videos and guided walking podcasts — plus meal plans and inspiration — download the Start TODAY app! If you started the new ...