Reference Guide
Muscle Anatomy
Know the muscles you are training. Select any muscle group below the diagram to learn what it does, what exercises target it, and why it matters for your training.
Understand the body before you train it
Most people train without knowing what muscles they are working. They follow programmes, copy others, and hope for results. Understanding the basics — what each muscle does and why it matters — changes everything. Train with purpose, not just effort.
Click the image to enlarge · Anatomical illustration created using AI image generation for educational purposes. Coaching notes based on 30+ years of personal training experience and BSc Sports & Exercise Science. References: Gray's Anatomy (41st ed.), Tortora & Derrickson (15th ed.), NSCA Essentials of Strength Training & Conditioning (4th ed.).
Select a muscle group above to see full details
A note on anatomy: Understanding which muscles do what — and why — is the difference between training intelligently and just going through the motions. Every exercise on this site is selected because it targets specific muscles in a way that is safe, progressive, and grounded in exercise science. Use this page alongside the Exercise Library to understand not just what to do, but why.