Fitness & Movement

Katie Austin was photographed by James Macari in Montenegro.

Tone and Sculpt With Katie Austin’s Power Express Pilates Arm Workout

Hannah Stocking

5 Things Hannah Stocking Swears by for Her Health and Fitness

Aliya Brooks

This Mobility Expert Shares 5 Ways to Improve Your Quality of Life With Stretching

Katie Austin was photographed by James Macari in the Dominican Republic.

Katie Austin’s 18-Minute Power Booty and Legs Workout Builds Strength and Power

Morgan Tyler

This Yogi Offers Tips for Avoiding Exercise Burnout in the New Year

Katie Austin was photographed by Ben Watts in Portugal

Katie Austin’s 7-Minute Deep Core Workout Is a Quick and Effective Burner

Georgina Cox

Expert Tips to Start a Strength Training Routine As a Beginner

Join Katie Austin for an 8-Minute New Year’s Day Reset Stretch

Ilona Maher

Trainer Reveals Ilona Maher’s ‘Dancing with the Stars’ Workout Routine

Lindsey Vonn

Fans Suspect Lindsey Vonn Is Returning to Professional Skiing

Katie Austin

SI Swimsuit Presents Sweat and Sculpt Live With Katie Austin

Megan Roup

Megan Roup’s 6-Minute Arms Set Is Great for When You’re Short on Time

Kayla Itsines

These 5 Fitness Moves Will Tone Your Lower Abs in No Time, According to Kayla Itsines

Megan Roup

Megan Roup Names the Biggest Mistake People Make When it Comes to Cardio

Ashley Graham

How Motherhood Has Impacted Ashley Graham’s Fitness Routine

Ab workout

This No-Equipment Ab Workout Is Ideal for a Busy Fall Schedule

Katie Austin

This Challenging Fitness Move Targets Core, Triceps and Stability All at Once, According to Katie Austin

Ilona Maher was photographed by Ben Watts in Bellport, New York.

Rugby Star Ilona Maher Shares Silly Take on Her Pre-SI Swimsuit Photo Shoot Fitness Routine

Kayla Itsines

Kayla Itsines Makes Working Out Easier Than Ever With This 6-Move At-Home Routine

Megan Roup

Fitness Instructor Megan Roup Shares Hack for Reducing Stress and Anxiety

Katie Austin

Katie Austin's Balanced Approach to Building Healthy Habits Will Transform Your Fitness Routine

Megan Roup

Megan Roup’s Workout Split Is the Balanced Inspo You Need for Effective Movement

Katie Austin

Katie Austin Swears This One Exercise Move Will Improve Your Balance and Posture

Lindsey Vonn

Lindsey Vonn’s Upper Body Strength Circuit Is Guaranteed to Build and Tone Muscle

Cindy Crawford

Cindy Crawford’s Go-to Workout Is the Perfect Low-Impact Burn

Melissa Wood-Tepperberg was photographed by Yu Tsai in Dominica

Melissa Wood-Tepperberg Reveals Deep Meaning Behind New Pregnancy Workout Series

Katie Austin

Take This Katie Austin Arms and Abs Set on Your Next Vacation