Cardio
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The Low Impact HIIT Workout
Get all the benefits of a high-intensity workout with this five-move, dumbbell-based routine.
The Low Impact HIIT Workout
Get all the benefits of a high-intensity workout with this five-move, dumbbell-based routine.
The Skater Jump
This lateral move builds lower-body strength — and boosts cardio at the same time.
The Active Metabolic Assessment: The Most Accurate Test For Cardio Training
Use this guide to determine your anaerobic threshold and learn how to train in your heart-rate zones.
9 Ways to Make the Most of an Indoor Cycle Class
A little guidance from a cycle expert can help you feel more comfortable and confident in the studio at Life Time.
The Jump-Rope HIIT Workout
High-intensity intervals transform jumping rope from child’s play to a fat-burning, coordination-building workout.
How to Use a Rowing Machine
Fine-tune your form and sequencing to maximize the rewards of indoor rowing. Explore two creative workouts to enhance power and strength.
The 6-Minute Sweat Workout (Video)
Learn the moves for this high-intensity power-training routine designed to boost strength and agility in no time flat.
The 6-Minute Sweat Workout
Work your body head to toe with this minimalist strength-and-conditioning blast, which includes lateral jumps, side-to-side squats, and burpees.
The Stepmill Workout
This workout mixes low-impact stair-stepping with high-intensity interval training.
How to Do a HIIT Workout
Get more results in less time with high-intensity interval training.
Train Like an Olympian: The Low-Intensity Secret Behind Marit Bjørgen’s Success
Norwegian cross-country skier Marit Bjørgen has won eight Olympic gold medals. Here’s how she trains.
Shadowboxing Cardio Workout
Jab! Cross! Hook! Learn how to throw these punches — and combine them for a high-intensity workout.
Build Strength, Cardio, and Endurance With This Hill-Run Workout
This high-intensity workout takes hill repeats to the next level.
The Power-Cycling Workout
Forget pedaling without a plan. This strength-building, fat-burning workout reimagines the indoor-cycling routine.
The Workout: The Cardio Challenge
This HIIT routine reimagines the treadmill jog, burning fat and building endurance in a quick workout.
New Tabata Routines
A personal trainer offers several suggestions to spice up your Tabata workout — plus, a four-move Tabata workout.
Travel-Friendly Kettlebell Workouts
Our fitness editor shares four easy-to-adapt kettlebell circuits that kept her sweaty through the holiday weekend.