OxygenMag

Whether you want to develop explosive power or just want to have an awesome rear view, these two moves can (ass)ist.

Use the oft-forgotten Arnold press to work all three delt heads in a single set.

Here are nine common mistakes even savvy fit women make. Plus, our best solutions to maximize your time in the gym.

Got the workout blahs? Cover model and certified trainer Jennifer Nicole Lee can change that. Check out this playlist she created exclusively for Oxygen that includes a compilation of her favorite songs that get her moving and keep her motivated.

Think treadmills are reserved for long, uninspiring runs? Think again!

Are you ready to take 2019 by storm? Rev up your workout routine with this HIIT cardio circuit from certified trainer, nutritionist and bikini competitor Katie Corio.

Get a firm and functional core in just three weeks with supersets.

Coach Katie Corio shares one of her favorite exercises from Phase 1 of the Healthy New You training and nutrition program.

Coach Katie Corio shares one of her favorite upper-body circuits from Phase 2 of the Healthy New You training and nutrition program.

Coach Katie Corio shares one of her favorite lower-body workouts from Phase 3 of the Healthy New You training and nutrition program.

Coach Katie Corio offers up one of her favorite pre-workout nutrition tips from her Healthy New You training and nutrition program.

Personal trainer and nutritionist Katie Corio explains how to make fitness and nutrition new year's resolutions stick.

Stick to your fitness and health resolutions this year with certified trainer and licensed nutritionist Katie Corio!

This interval workout has you racing against the clock, improving endurance, building muscle and boosting your metabolism.

A plate and an empty space is all you need to get a heart-pounding total-body workout.

Sometimes it’s tricky to divine which foods are fads and which are fab. Here are five fab finds for 2019 curated by certified trainer and nutritionist Alexa Uhurek.

When it comes to exercise, will extreme temperatures give you an edge?

Learn all about November/December 2018 cover girl and coach of Oxygen’s Healthy New You online course Katie Corio — and get her latest playlist!

Need some fresh holiday gift ideas for the fitness and nutrition fanatics in your life? We've got you covered. Cheers to spreading joy, health and vitality this season!

Reach your full potential — in your workouts and in life — with this go-hard playlist from AFCC3 coaches Hannah Eden and Paulo Barreto.

Hannah Eden and Paulo Barreto offer a taste of the heat they're bringing to America's Fittest Couple Challenge 3 with this free workout.

Identifying what drives you can help you stick to your exercise regimen. It may also help you choose a workout supplement (and supplement flavor!) that will help you reach your potential in the gym and fuel your recovery postworkout.

This pre-workout energy product from Novaforme will help improve your workouts, results and health.

You have questions, and we have answers — here’s what you need to know about AFCC3!

Two-time Olympic gold medalist and five-time world champion rower Susan Francia shares sleep’s significant impact on her athletic conditioning and performance.

Regular physical activity is crucial for women facing menopause. Consider what physical activity can do for you — and how to apply fitness tips for menopause to your daily routine.

Set sail for an epic trip centered around your active, healthy lifestyle.

You work. You travel. You’re busy. Fortunately, the only equipment you need for a solid workout is TSA-friendly and weighs less than a pound: a resistance band.

This five-song playlist from #OC4 coach Jen Widerstrom is guaranteed to keep energy levels high during your next workout.

Get an inside look at celebrity coach Karina Smirnoff's Oxygen Challenge program.

Get an inside look at celebrity coach Jen Widerstrom's Oxygen Challenge program.

This simple recipe from OC4 coach Jen Widerstrom features a savory, satisfying, meaty mix of mushrooms and lean beef. Omit the cheese, if you’re dairy-free.

OC4 Coach Karina Smirnoff shares two of her favorite easy seafood recipes that provide the protein you need to fuel healthy muscle growth without extra calories and fat.

Move your body and focus your mind with this danceable playlist.

Hear why becoming part of the Oxygen Challenge team really appealed to coach Jen Widerstrom.

Learn about the modalities of movement coach Jen Widerstrom is incorporating into her program week after week.

If you don't put the right fuel in your body, your body won't respond properly to your training efforts.

Hear why coach Jen Widerstrom believes it's important to challenge yourself and push beyond your comfort zones.

Hear how coach Jen Widerstrom will give you her all, but how she expects the same in return.

Coach Karina Smirnoff shares how she takes yoga moves from her own practice and implements them into her dance workouts.

Coach Karina Smirnoff has created a dance routine that will kick your butt and boost your cardio.

Get to know TV personality, transformational expert and our newest Oxygen Challenge coach, Jen Widerstrom.

Get to know coach Karina Smirnoff and hear an overview on her OC4 program.

Working out is not punishment — hear how coach Jen Widerstrom strives to keep workouts fun and engaging.

Hear how coach Karina Smirnoff keeps her three-part series engaging and interesting to eliminate boredom.

Learn how coach Karina Smirnoff integrates powerful krav maga moves into her dance workouts.

From a volume-based approach to her sexy strength program, learn more about coach Jen Widerstrom's OC4 program.

Ready to build strength, confidence and the kick-ass body you’ve always wanted? Join two of television’s hottest trainers for The Oxygen Challenge 4, starting July 16, 2018.

Don’t show up for a summer fitness festival out of shape and unprepared. We’ve gathered intervals from the industry’s top professionals to get you ready!