Muscle Nerd

NerdForm Labs LLC

In-app purchases

About this app

Train smarter. Build stronger.
Muscle Nerd is the ultimate training companion for those who want to understand the science behind every movement.

Explore detailed muscle activation for each exercise and discover what truly stimulates growth. Whether you're a beginner, experienced lifter, or coach, Muscle Nerd helps you make informed decisions for better results.

Key Features
• Muscle activation breakdown with precise percentages
• Science-based analysis to guide your training
• Side-by-side comparison between exercises
• Personalized favorites and quick access to key movements
• Clean, modern design for a smooth user experience

Built for those who want more than just reps and sets—Muscle Nerd helps you train with purpose, clarity, and confidence.

What’s new

New exercises added: Dumbbell Incline Y Raise, Barbell Single-Leg Deadlift, Leg Press Calf Raise, Hip Adduction (machine), and Hanging Knee Raise — each with a full muscle activation breakdown.