Resources to train and eat better

Free tools and clear guides on training, muscles and nutrition. No sign-up required.

Workout plans

Ready-made programs by goal and level, to copy to your account.

Calorie needs, macros, BMI, body fat, 1RM, water and calories burned.

What muscles do and which exercises train them.

Free weights, barbells, cables, machines: the exercises you can do with each.

Supersets, drop sets, RPE, 1RM: training terms explained simply.

How to perform them, with photos, muscles worked and variations.

With Atlas Core you log workouts, nutrition and progress, and follow your goals over time. It's free.

Free, forever