Lower-Body Exercises

Workout Tips

Develop 'GOAT'-like hamstrings with these pro tips from Alex Guerrero

The trainer of Tom Brady shares a few secrets to improve hamstring health and performance.

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Full-Body Exercises

This Challenging TRX Finisher Is the Move You'll Love and Hate — and Need

The one-leg power burpee will blast your legs, chest, and lungs — if you’re up for it.

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Workout Routines

Push to the Next Level with This High-intensity, Lower-Body Workout

Erik Bartell’s half-hour HIIT routine is all about helping you break plateaus.

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Workout Routines

Military Monday: Hit Your Legs, Lungs, and Core in Under an Hour

Infantryman and trainer Chris Kellum introduces his Hybrid Warrior training plan.

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Training

Crush Your Quads with This Ultimate Champions’ Workout

Add some serious thigh shape and size with these IFBB Pro tips.

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Workout Routines

The Ultimate Champion’s Physique: Hamstrings

Leave no stone unturned when training the back of the thighs.

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Workout Routines

Military Monday: We Give You 1,000 Reasons to Love Leg Day

Can you squat, lunge, press, and curl to a thousand? Here's your chance to find out.

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Workout Tips

Back 2 Basics: Learning the Landmine Row

Flex Social Media Director David Baye helps you build your back better.

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Workout Tips

Back 2 Basics: The Deadlift

David Baye explains how this classic lift can help anyone achieve new size and strength.

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Workout Routines

There's 'Zero Excuses' to Skip This Core and Lower-Body Workout

Military athlete Erik Bartell wants to help you redefine what a “dad bod" looks like.

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