Alongside the guides there are three free calculators: weighted pull-ups and dips, barbell plate loading, and one rep max. No signup, and they run the same code the app runs.
For the complete current product overview, read the THYMOS product facts and FAQ: offline use, structured programs, progression guidance, and supported platforms.
28 Day Calisthenics Challenge
Four weeks at home, no equipment, with a test on day 1 and day 28. Free 15 page PDF.
What Is Calisthenics?
What it is, what it builds, how it compares with weights and how to start.
Calisthenics Workout for Beginners
Five exercises, three sets each, about thirty minutes, no equipment.
Calisthenics Workout Plan: The First 12 Weeks
Three sessions a week, six movement ladders, an illustrated exercise library and a printable log. Free 21 page PDF.
Weighted Calisthenics Program: The First 12 Weeks
Entry standards, Total System Weight, and how to load without wrecking your elbows.
Muscle-Up Progression: Your First Strict Rep
Eight weeks from ten strict pull-ups to over the bar, with a chapter on rings. Free 19 page PDF.
How to Use Hand Grippers for Stronger Pulls
Build crushing grip without beating up your elbows: setup, volume, progressions, and common mistakes.
How to Build Strength With Grease the Groove
Use frequent low-fatigue practice to improve pull-ups, dips, push-ups, and skill strength.
How to Get a Supinated Muscle-Up
A practical path for chin-up strength, transition control, and clean technique.
How to Increase Pull-Up Reps
Three training levers that can move your max reps without turning every session into a test.
How to Choose Calisthenics Equipment
What to buy first, what to skip, and how to avoid clutter while building a useful setup.