Katy Loren

With a simple resistance band and the power of pulse reps, you can do this anywhere, anytime lower-body-sculpting workout.

At home, the gym or the park, you can define and improve your biceps and triceps fast with this 20-minute routine.

Fix what’s ailing your progress with a head-to-toe routine centered around this one piece of equipment.

This lower-body routine borrows the best tips and tricks of the world’s top bodybuilders for fast-track results — without the extreme muscle growth.

Sculpt your biceps and triceps in just 20 minutes with this superset workout.

Burn fat and power up your cardio fitness fast with this Tabata-style high-intensity interval training workout.

Summer’s here — who wants to be cooped up inside? These five innovative solutions allow you to fit a great workout into less time.

Shape your shoulders, back, chest and arms more effectively with this simple training trick.

Count down to a better shoulder-sculpting routine with this three-step approach.

‘Pull’ out all the stops with these fitness-boosting variations on the popular sled trainer.

These five rowing machine cardio workouts will help you work your way to a leaner, fitter body fast.

Develop better pecs from every angle with this easy and effective training technique.

Take the “routine” out of your training with these five expert tips.

With this easy tweak in your exercise sequence, you can push your muscles to the max — and rebuild your back top to bottom.

Don’t laugh — this standard bodyweight exercise may just be the best all-around move you can do in the gym. Here’s how to perform each rep to perfection and sculpt a beautiful back in the process.

Upgrade your lower-body training program with this simple, yet innovative, quick fix.

Looking to give your tired old leg routine the kick-start it needs? This explosive routine — borrowed from the realm of martial arts — will do just that, literally and figuratively.

Simplify your shoulder training with this four-step approach to stronger, better-defined delts.

Hit your body hard from head to toe — and knock out your training rut! — with this MMA- and boxing-inspired strength-, power- and endurance-building workout.

Put some perk back in your pecs — and teach the guys a thing or two in the process — with this simple, five-move press-and-flye routine.

Is your back routine not delivering the results you deserve? Turn it around with these six fundamental moves.

Punch out your weak points and build power and quickness throughout your chest, shoulders, back and arms with this MMA- and boxing-inspired workout.

This hard-hitting session will increase your endurance and agility while delivering some new muscle and definition to your back, shoulders and arms.

Simplify your workouts, supercharge your results! This fundamental, cut-no-corners routine is a fast-track ticket to better triceps and biceps.

Seek out your “ultimate fitness” level and build legs that can go the distance with this martial arts–inspired routine.

Streamline your leg routine and speed up your progress toward better, stronger and shapelier glutes, quads and hamstrings.

Are your workouts too cluttered? Wipe the slate clean with a simple, no-frills, straightforward abdominal routine designed for results that are anything but basic.

Cap off your upper body with this high-intensity, dual-circuit shoulder slam.

Build a championship-caliber core with this high-impact four-move routine.

It’s the hardcore glute exercise that everyone should have at the ready in their training arsenal. Here’s how to best use the barbell hip thrust to shape a perfectly proportional booty.

Too busy to train? Get the results of an hourlong workout in half the time with this back-shaping routine.

Too busy to train? Get the results of an hourlong workout in half the time with this ultra-efficient abdominal and lower-back routine.

Too busy to train? Get the results of an hourlong workout in half the time with this ultra-efficient leg routine.

Too busy to train? Get the results of an hour-long workout in just half the time with this ultra-efficient chest, biceps and triceps routine.

The standard bench press can be a game-changer for women seeking a stronger, firmer and proportioned upper body. Here’s everything you need to know to get the most out of every rep.

Too busy to train? Get the results of an hourlong workout in just half the time with this ultra-efficient shoulder routine.

HIIT your body from head to toe in 40 minutes with this minimal-equipment, maximum-results workout.

The ultimate finisher to any workout, drop sets can be just the thing you need to ramp up your results. Here’s how to do them right — plus six killer drop-set combos for your legs, back, chest and arms.

In a hurry? You can hit your body from head to toe with nothing more than a medicine ball with this simple seven-move workout.

Don’t let a busy gym crowd out your workout goals! Here’s a lower-body routine that allows you to maximize your results when space is at a minimum.

Two’s company! Double up on your results and have some fun in the process with this partner-assisted core routine.

‘Ego lifting’ might be all in your head, but it can do a number on your body. Here are the warning signs to be wary of.

Borrow these ballet-inspired moves (no machines required!) to shape and define your calves to perfection.

It may not be easy, but it sure is effective — learn how to get the most out of an ab wheel, then dig into these two beginner and intermediate workouts.

No barbell, no problem! Here’s how you can get an efficient and intensive full-body workout with just a weight plate.

Level up your legs faster with this five-move kettlebell workout.

Combine the power of high-intensity interval training with four essential exercises for a functional, fully adjustable, fabulous leg-shaping workout.

Don’t settle for lackluster results — this lower-body routine will rev up your quads, hamstrings and glutes by adding horsepower to everyday exercises.

Just five simple moves stand between you and the rear view you want everyone to notice.

Looking to push your limits and switch up your cardio workout? This fat-burning circuit will leave you breathless (in a good way).

Grab a medicine ball, exercise band and stability ball and get to work with this five-step core circuit.

Chasing chest and arm perfection? This at-home workout is your answer.

Add some pizzazz to your typical leg-day routine with this 30-minute circuit.

Learn how to build the delts of your dreams without relying on a barbell.

“On the road” doesn’t have to mean “off the wagon.” The following three fat-burning workouts can be done anywhere, anytime, with little to no equipment.

These two circuits work the rectus abdominis, obliques and transverse abdominis for a 360-degree core.

Strengthen, sculpt and burn all at once with this ab-and-cardio combo workout.

These two workouts will get you great arms.

This four-exercise workout targets the key areas of your upper back for outstanding results.

Superset your way to super shoulders.

The Oxygen Challenge 7 is here. Team up, dig in and kick 2021's butt.

These two workouts will get you great arms.

Try these five fat-torching finishing moves to kick your workouts up to the next level.

Elevate your training routine with these six outdoor/indoor incline cardio workouts.

Use these tips to perfect your rear view.

A flawless body begins with the ultimate workout. These 10 expert tips can help you optimize your training from start to finish.

Oxygen put five common, long-held beliefs about exercise to the test and came up with some solid answers to these oft-asked questions.

Stuck in a rut with the same old weight-training exercises? Try these seven alternative moves to re-energize your stale routine.

Amp up your intensity and accelerate your muscle-building, fat-burning results with these three training techniques!