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Fitness

Greatest HIITS: How the HIIT workout works, and how you can benefit from it
Mar 4, 2026 • 5 min read
Greatest HIITS: How the HIIT workout works, and how you can benefit from it

The HIIT workout is simple. You work hard for a short time, rest briefly, and repeat. A full HIIT workout can be as short as 10 to 30 minutes, which is why it’s popular with people who want results without long workouts.

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Latest News

Struggling to Grow Muscle? Hit Your Mattress First, Not the Gym!
Mar 3, 2026 • 4 min read
Struggling to Grow Muscle? Hit Your Mattress First, Not the Gym!
Sleep plays a direct role in how your body repairs and builds muscle tissue. When you train, you create tiny amounts of muscle damage. That’s normal and necessary. Sleep is when your body fixes that damage and adapts by making muscles stronger.
The Beginners’ Guide to Taking Supplements For Muscle Growth
Mar 2, 2026 • 6 min read
The Beginners’ Guide to Taking Supplements For Muscle Growth
If you’ve just started lifting weights, supplements can feel overwhelming. Walk into any store and you’ll see pills, and promises everywhere. Supplements aren’t about shortcuts. They’re about filling gaps when training and nutrition are already in place.
7 Hamstring Stretches to Improve Mobility (Beginner-Friendly)
Feb 25, 2026 • 9 min read
7 Hamstring Stretches to Improve Mobility (Beginner-Friendly)
Long hours of sitting, uneven training routines, or getting back into movement after time off can all leave the hamstrings short, cranky, and resistant to stretching. But you don’t need intense flexibility work to make progress.
15-Minute Walking At-Home Routine (Follow-Along Workout)
Feb 23, 2026 • 3 min read
15-Minute Walking At-Home Routine (Follow-Along Workout)
Low-impact, joint-friendly, and perfect for improving balance, energy, and heart health at home.
Beginner HIIT Workout (Lower-Body Routine)
Feb 21, 2026 • 3 min read
Beginner HIIT Workout (Lower-Body Routine)
Build lower-body strength without high impact or overwhelm.
Can't Do a Proper Push-Up? You're Not Weak, You Just Need These Technique Tips
Feb 20, 2026 • 5 min read
Can't Do a Proper Push-Up? You're Not Weak, You Just Need These Technique Tips
Master proper push-up form with beginner-friendly progressions. Learn incline, knee, traditional, and advanced dead stop variations to build real strength.
our #1 app for building strength

our #1 app for building strength

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Sports Supplements

The Beginners’ Guide to Taking Supplements For Muscle Growth
The Beginners’ Guide to Taking Supplements For Muscle Growth
Mar 2, 2026 • 6 min read
How to Use Protein Powder for Weight Loss (The Right Way!)
How to Use Protein Powder for Weight Loss (The Right Way!)
Feb 24, 2026 • 6 min read
What Is Creatine Loading, and Does It Actually Work? A Trainer Weighs In
What Is Creatine Loading, and Does It Actually Work? A Trainer Weighs In
Oct 23, 2025 • 3 min read
Why chocolate milk works for recovery, according to a dietitian
Why chocolate milk works for recovery, according to a dietitian
Oct 17, 2025 • 4 min read
9 Pre-Workouts With No Beta-Alanine & No Itch (2023) 
9 Pre-Workouts With No Beta-Alanine & No Itch (2023) 
Jun 16, 2023 • 5 min read
Can You Mix Creatine With Protein Powder?
Can You Mix Creatine With Protein Powder?
May 30, 2023 • 5 min read
Is Propel Water Good for You?
Is Propel Water Good for You?
May 22, 2023 • 6 min read
Why Does Pre-Workout Make You Itch? (& How to Stop It) 
Why Does Pre-Workout Make You Itch? (& How to Stop It) 
Feb 14, 2023 • 5 min read

Fitness Basics

Can't Do a Proper Push-Up? You're Not Weak, You Just Need These Technique Tips
Can't Do a Proper Push-Up? You're Not Weak, You Just Need These Technique Tips
Feb 20, 2026 • 5 min read
How to Start Strength Training: A Beginner’s Guide to Getting Stronger
How to Start Strength Training: A Beginner’s Guide to Getting Stronger
Jan 23, 2026 • 30 min read
Can Pilates Boost Your Immune System? Here's What the Expert Says
Can Pilates Boost Your Immune System? Here's What the Expert Says
Dec 26, 2025 • 4 min read
Just 5 Min a Day: New Study Shows Tiny Workouts Build Strength and Boost Mental Health 
Just 5 Min a Day: New Study Shows Tiny Workouts Build Strength and Boost Mental Health 
Nov 6, 2025 • 4 min read
4 Warning Signs You're Overtraining, According to a Personal Trainer
4 Warning Signs You're Overtraining, According to a Personal Trainer
Oct 24, 2025 • 4 min read
Lower Back Pain After a Workout? 7 Common Causes & Fixes
Lower Back Pain After a Workout? 7 Common Causes & Fixes
Oct 17, 2025 • 9 min read
How to Build Muscle Over 60: A Guide to Stronger Aging
How to Build Muscle Over 60: A Guide to Stronger Aging
Oct 16, 2025 • 15 min read
The Forgotten Muscles: Why Training Only “Show Muscles” Holds You Back
The Forgotten Muscles: Why Training Only “Show Muscles” Holds You Back
Oct 8, 2025 • 4 min read
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our #1 Yoga app

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Exercises

Greatest HIITS: How the HIIT workout works, and how you can benefit from it
Greatest HIITS: How the HIIT workout works, and how you can benefit from it
Mar 4, 2026 • 5 min read
7 Hamstring Stretches to Improve Mobility (Beginner-Friendly)
7 Hamstring Stretches to Improve Mobility (Beginner-Friendly)
Feb 25, 2026 • 9 min read
How to Warm Up Before Walking: 5 Simple Movements
How to Warm Up Before Walking: 5 Simple Movements
Oct 22, 2025 • 4 min read
Best Stretching Exercises for Walkers to Relieve Soreness
Best Stretching Exercises for Walkers to Relieve Soreness
Oct 22, 2025 • 7 min read
Walking with Weights is the Smartest Fitness Hack. Here's Why
Walking with Weights is the Smartest Fitness Hack. Here's Why
Oct 15, 2025 • 5 min read
What Muscles Does Bicep Curl Work?
What Muscles Does Bicep Curl Work?
Dec 10, 2024 • 11 min read
Pregnancy Fitness: Safe and Effective Exercises for Each Trimester
Pregnancy Fitness: Safe and Effective Exercises for Each Trimester
Nov 29, 2024 • 7 min read
What Muscles Do Dips Work Most? Chest Dips, Tricep Dips & Variations
What Muscles Do Dips Work Most? Chest Dips, Tricep Dips & Variations
Feb 13, 2024 • 8 min read

Activities

Struggling to Grow Muscle? Hit Your Mattress First, Not the Gym!
Struggling to Grow Muscle? Hit Your Mattress First, Not the Gym!
Mar 3, 2026 • 4 min read
15-Minute Walking At-Home Routine (Follow-Along Workout)
15-Minute Walking At-Home Routine (Follow-Along Workout)
Feb 23, 2026 • 3 min read
Longevity 101: Habits That Keep Your Body and Brain Younger
Longevity 101: Habits That Keep Your Body and Brain Younger
Feb 14, 2026 • 11 min read
Walking or Running: What's The Right Pick for Weight Loss & Health?
Walking or Running: What's The Right Pick for Weight Loss & Health?
Nov 15, 2025 • 10 min read
Can’t Sleep? A 10-Minute Walk Before Bed Might Be the Secret
Can’t Sleep? A 10-Minute Walk Before Bed Might Be the Secret
Nov 12, 2025 • 6 min read
Walking After Eating: Does It Really Help Digestion?
Walking After Eating: Does It Really Help Digestion?
Nov 11, 2025 • 6 min read
What 20 Minutes of Walking Really Does for You
What 20 Minutes of Walking Really Does for You
Nov 11, 2025 • 6 min read
What Really Happens When You Walk 1 Hour Daily
What Really Happens When You Walk 1 Hour Daily
Nov 11, 2025 • 7 min read
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our #1 app for walking workouts

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Workouts

Beginner HIIT Workout (Lower-Body Routine)
Beginner HIIT Workout (Lower-Body Routine)
Feb 21, 2026 • 3 min read
10 Exercises to Beat Aging: Smart Moves to Stay Strong, Mobile, and Confident After 50
10 Exercises to Beat Aging: Smart Moves to Stay Strong, Mobile, and Confident After 50
Feb 15, 2026 • 4 min read
How to Build a V-Taper: Complete Guide to a V-Shape Body
How to Build a V-Taper: Complete Guide to a V-Shape Body
Jan 27, 2026 • 22 min read
10-Minute HIIT Workout To Instantly Lift Your Energy
10-Minute HIIT Workout To Instantly Lift Your Energy
Jan 24, 2026 • 4 min read
Military Calisthenics For Women: Give This 20-Min Session A Try
Military Calisthenics For Women: Give This 20-Min Session A Try
Jan 22, 2026 • 5 min read
Got 15 Minutes? Full-Body Calisthenics For Those Days You’re Low on Time
Got 15 Minutes? Full-Body Calisthenics For Those Days You’re Low on Time
Jan 4, 2026 • 9 min read
A Beginner’s Guide to Military Calisthenics
A Beginner’s Guide to Military Calisthenics
Jan 3, 2026 • 12 min read
7 Minute Chair Workout for Seniors (Easy, Low-Impact Routine)
7 Minute Chair Workout for Seniors (Easy, Low-Impact Routine)
Dec 22, 2025 • 4 min read

Our Experts

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Deborah Luciano
Deborah Luciano

Wellness Professional, NASM Certified Personal Trainer & Nutrition Coach, RYT 200 Yoga Instructor
Miles Stevens
Miles Stevens

MS in Exercise & Nutrition Science, Certified Strength & Conditioning Specialist
Melissa Mitri
Melissa Mitri

MS, Registered Dietitian, Former President of CT Academy of Nutrition & Dietetics
Dr. Shelley Meyer
Dr. Shelley Meyer

DO, RDN, IFMCP | Functional Medicine Physician | Family Physician | Registered Dietitian/Nutritionist | YouTube Creator @DrShelleyMeyer
Kris Gethin
Kris Gethin

Professional Natural Bodybuilder, Transformation Trainer, IRONMAN triathlete, Co-founder of the Kris Gethin Gyms franchise
Heather Black
Heather Black

Personal Trainer, Precision Nutrition Coach, and Health & Wellness Director of a chain of fitness centers
Sarah Jackson Damuth
Sarah Jackson Damuth

MS, Registered Dietitian Nutritionist, Certified LEAP Therapist
Jonathan Valdez
Jonathan Valdez

Registered Dietitian Nutritionist, Certified Personal Trainer, Certified Dietitian/Nutritionist in NYC, Certified Diabetes Care and Education Specialist