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Why You Should Learn Your Personal Heart-Rate Zones
Popular in Cardio
You'll Never Guess Which Bathroom Product Makes for an Epic Workout
It might seem like bathroom humor, but this toilet paper Tabata workout is no joke.
What Might Happen If You Walk 30 Minutes a Day
Bye, varicose veins
The 4-Minite No-Crunch Tabata Workout for a Cinched Core
Four minutes dedicated to carving your six-pack.
An Open Letter to Runners Who Think They're "Too Slow"
Lace up, get out, and no more negative talk.
Get Loose! The Best IT Band Stretches
A quick fix for when running results in achy knees and severely tight leg muscles.
Torch 200+ Calories in 20 Minutes
Burn and firm all over with this high-intensity cardio-sculpting plan.
Torch 200 Calories in 20 Minutes
Torch 50 percent more calories than the elliptical while toning your entire body.
Burn 500 Calories in 30 Minutes!
Maximize every second of your workout with these 5 fat-frying cardio plans.
20-Minute Home Cardio Workout
Forget the treadmill! This quick routine will send your metabolism soaring.
Killer Kickboxing Workout
8 awesome drills to torch fat and tone every inch of your body.
The 4-Minute Fat-Burning Miracle Workout
And no, we're not exaggerating! See for yourself.
Spin to Slim Workout
This DIY ride combines fat-blasting sprints and thigh-trimming climbs in one 30-minute session.
Sculpt Your Butt From Every Angle With One Quickie Workout
Your glutes will be burning for more.
25-Minute Arc Trainer Workout
Rush to this fat-blasting machine before other gym goers realize how amazing it is!
The Cardio-Core Workout for a Total-Body Burn
Burn fat and chisel your core at the same time.
The Total-Body Tabata Workout You Can Do Anywhere
Full body burn, no gym necessary
The Best Cardio for Your Abs
When it comes to melting off belly fat, is all cardio created equal?
10 Delicious Ways to Eat Tempeh
Meet, tempeh bacon. You're welcome.
How (In)Accurate Are Calorie Counters at the Gym?
Find out which cardio machines dramatically stretch the truth.
Spin Smarter: 9 Ways to Maximize Your Ride
Expert tips to check your form, burn more fat, and stay injury-free during spin class.
So, You Think You Can't Run Far, Huh?
This is an open letter to all you runners who think they can't do long distances.
10 Fat-Blasting Tabata Plans
Take your tabata off the treadmill and torch mega calories in 4 minutes with these moves.
Better-than-the-Treadmill Cardio Blast
Become a lean, mean, climbing machine with this fat-blasting plan.
Burn Fat and Build Muscle with This Quickie Strength HIIT Workout
Crank your metabolism