First Look: Dr. Muscle X New Features & Improvements
Train faster, track smarter, lift anywhere
Train faster, track smarter, lift anywhere
Built by an exercise scientist, updated 50+ times per year—from progressive overload to daily undulating periodization, here's what makes Dr. Muscle the smartest trainer you'll ever have
Meet Dr. Muscle X: The Future of AI Personal Training. Early Preview Now Open.
Power meets simplicity. Innovation meets iron. Right on your wrist.
No hype, no gimmick—just science-backed workouts that grow with you using AI
An honest look at MacroFactor and results from 9 users of the app: is it worth it in 2025?
When you open Dr. Muscle for the first time, you'll now get a message from Dr. Carl Juneau welcoming you inside app chat. You'll also get another message the second time you open the app. Full release notes (v1293) – Added: Welcome chat upon account creation – Added:
How can we control the COVID-19 pandemic cost-effectively? I worked with Tomas Pueyo’s group around the clock to answer that question. We found that some interventions are way more cost-effective than others (e.g. for H1N1 influenza, contact tracing was estimated to be 4,363 times more cost-effective than
When you open Dr. Muscle, you'll see a new Learn tab at the bottom. Tap it to learn about your reps, your program, and your recent progression. Full release notes (v1283) – Added: Learn tab with custom coaching tips – Added: 17 new exercises (many bodyweight) – Improved: Home page layout
Now, when you create your account, you'll see fewer questions, less text, and demo workouts after your account is created. Full release notes (v1271) * Added: Share a free month * Improved: Faster account creation with less text * Improved: Demo workouts after account creation * Fixed: Custom sets now override pyramid
No dumbbells? No problem! In Settings, you can now toggle off dumbbells to swap out all dumbbell exercises from your workouts automatically. Full release notes (v1264) * Added: toggle off dumbbells to swap out all dumbbell exercises * Improved: exercise videos in fullscreen * Improved: design of action buttons (green is now blue)
We're making Dr. Muscle easier to use. Now, as you finish the last set of an exercise, you'll see a popup with an option to finish that exercise as well, speeding up your workouts. Full release notes (v1257) * Added: "All sets done—finish exercise?"
We're making Dr. Muscle even more flexible! You can now customize sets at the workout level to create Heavy, Low, Medium days (and other popular routines). Full release notes (v1250) * Added: Customize sets at the workout level * Added: Recommended weekly workouts to reminders * Improved: New user onboarding (demo
Update: Since translating The Hammer and the Dance, I have joined Tomas Pueyo’s volunteer team. We have published 3 more articles on Medium (one, two, three) and we’re publishing a scientific study of Cost-effective Interventions to Suppress the Covid-19 Pandemic. Tomas Pueyo, the author of Coronavirus: Why You
Bands are cheap, lightweight, and portable. Unlike dumbbells, you can do pushing and pulling exercise with them. You can also train your legs pretty hard with bands (normally, you'd need a bar and plates for that). Have a look: Bands Exercises to Build Muscle at Home Build muscle
Bands are great to work out at home. So we're excited to release new bands programs! "Buffed w/ bands" levels 1 and 2 are now available inside Dr. Muscle, with videos for all exercises. Full release notes (v1234) * Added: Bands programs level 1 and 2 (Workouts