Sim body breaks, brain relearns: tendon transfer and leg loss recovery in MyoSuite 3.0
MaziyarPanahi · x · 2026-11-14
An experiment series on MyoSuite 3.0 (open source, Apache 2.0) testing damage and motor relearning:
- Halving a simulated body's leg strength made it fall in 0.66 s; continued training with MyoSuite's own trainer on the modified body restored walking for the full 10 s / 11.3 m.
- The hand version simulates a real tendon transfer—rerouting the index finger's extensor tendon to the thumb, the classic fix for thumb tendon rupture. After surgery, 8 of 9 hand signs broke; 7 recovered with practice.
- Relearning one sign took 1.87M training steps, while training a fresh policy from scratch needed 37M steps.
Related event: Simulated Body Relearns to Walk After Leg Strength Halved(3 posts)→
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