Build Muscle

Workout Routines

The Perfect Lower Body Warm-up

Maximize your workout efforts with these pre-training techniques.

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News

Watch the Replay of the 2015 Mr. Olympia Finals!

The replay is only on FLEXonline.com, brought to you by Amazon.com.

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Active Lifestyle

Fitness Entrepreneurs Turn to Crowdfunding

The popular revenue generating approach offers startups a new way to launch their products.

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Abs and Core Exercises

4 Medicine Ball Exercises for Shredded Abs

Hit your abs from all angles with these stomach sculpting moves.

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Build Muscle

Optimum Nutrition Now Available with Amazon Dash Button

World’s Leading protein supplement is now available at the touch of a button.

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News

Andrey Malanichev Breaks World Record with 1,036 Pound Squat

The Russian powerlifter smashes world record for the heaviest unequipped squat.

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News

Weightlifter Pushes the Envelope with 315-Pound Segway Squat

See what happens when this lifting enthusiast tries to pump up his wheels while on wheels.

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Pro Tips

Get the Body You Want: Episode 4 – Leg Press

MHP athletes Yeshaira Robles and Dana Mauro demonstrate key moves to help strengthen and sculpt your legs.

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News

The Rock's Playlist Will Get You Moving

Dwayne Johnson's tunes are made for pumping iron.

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Workout Tips

Russ And Kara Winger's USATF Throwing workouts

Found out how these newlyweds and USA Track and Field athletes prepare for a competition during the on and off season.

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