How a Small Team Revolutionized Gym Training with the World’s First AI Form Feedback
Turning personal struggles into the world’s first AI form feedback for gym training.
Flex Editorial Team•
General Fitness
How to Barbell Row: Form, Benefits & Tips
Learn how to barbell row with proper form, avoid common mistakes, and build a stronger back. Follow this step-by-step guide for maximum results.
Flex Editorial Team•
Bent-Over Barbell Row vs. Other Row Variations: Which Builds a Stronger Back?
Bent-over barbell row vs. other variations: Discover which builds the strongest back, boosts hypertrophy, or safeguards your spine.
Flex Editorial Team•
Stop Believing These 10 Gym Myths (According to Science)
A lot of what we hear about exercise isn't backed by science. It's based on outdated beliefs, old gym legends, or just plain misunderstanding.
Flex Editorial Team•
Body Fat Percentage Calculator: What It Is and How To Use It
While weight serves as the headline, body fat percentage is the supporting cast that reveals how lean and muscular you are compared to how much body fat you carry. That’s how a body far calculator can help.
Flex Editorial Team•
TDEE Calculator Explained: Find Out Your Energy Needs
Knowing your Total Daily Energy Expenditure (TDEE) is the first step in tailoring your nutrition and exercise plans.
Flex Editorial Team•
Heart Rate Zones: Master Your Workouts with Precision
Ready to take your workouts to the next level? Our Heart Rate Zones Calculator helps you find the perfect intensity for your fitness goals, whether you're aiming for fat loss, endurance, or peak performance. Start optimizing your training and get the most out of every session!
Victor Rossine•
Squat Performance as a Health Metric Across Age Groups
Learn how squat performance changes with age and what it says about your strength, mobility, and long-term health.
Flex Editorial Team•
What Muscles Do Deadlifts Work? A Complete Guide
What muscles do deadlifts actually work? The short answer is many, and in this article, we will learn about every single one of them.
Flex Editorial Team•