Calisthenics from the Ground Up
Learn to use your own body as a complete gym. Discover how to adjust angles, control leverage, and build functional strength anywhere without specialized equipment.
Like Duolingo, but for Calisthenics from the Ground Up. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
A short one: 11 levels across 2 sections, about 22 minutes end to end, roughly 4 days at five minutes a day. It moves through Make Your Body Solid and Control the Resistance. It starts from scratch.
Free forever · No credit card · iPhone & Android

Key ideas in Calisthenics from the Ground Up
- Elevating your hands on an incline reduces the percentage of your bodyweight you have to push
- Hand elevation allows you to train the full depth of a push-up with a locked plank before moving down to the floor
- Short-range partial reps or knee push-ups often compromise full movement mechanics and core engagement
- Actively gripping and 'screwing' the hands outward into the floor creates external rotation tension
- This torque stabilizes the shoulder joint and engages the upper back muscles
- Allowing hands to remain passive or collapse inward leaves the shoulders unstable under load
- Flaring the elbows straight out in a 'T' shape strains the shoulder joints and diminishes pressing leverage
- Tucking the elbows slightly back into an arrow shape engages both the chest and triceps efficiently
- An arrow profile keeps the shoulders centered in a safe, strong tracking path throughout the push
- Contracting the glutes and quads turns the lower body and core into an unyielding bridge
- A rigid plank prevents the pelvis from dipping and saves the lower back from sagging into hyperextension
- A push-up is a moving plank; total-body tension is required, not just arm effort
- Tucking the tailbone flattens the natural arch of the lower back firmly against the floor
- Allowing the lower back to arch off the floor dumps tension directly into the lumbar spine during holds
- A flat contact with the floor confirms you have set a posterior pelvic tilt before adding bodyweight load
- The hollow body position links the ribs and hips so force transfers cleanly between the arms and legs
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Calisthenics from the Ground Up the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Why is an elevated push-up on a bench so great for learning push-ups?
Get it right to open this lesson and 10 more in the app.
Where Calisthenics from the Ground Up takes you
- 1
Make Your Body Solid
- Dialing In the Bodyweight Push
- Locking the Core Frame
- 2
Control the Resistance
- Building Your First Pull
- Adjusting Leverage and Intensity
2 sections · 4 units · 11 levels. Built to play, not to enroll.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Calisthenics from the Ground Up is taught in the Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Calisthenics from the Ground Up today.
Download Tomo, search Calisthenics from the Ground Up, and play your first lesson in under a minute.