# A Quadruped That Knows When to Limp

- slug: a-quadruped-that-knows-when-to-limp
- date: 2026-04-07
- category: Robotics

MIT and UPenn researchers built a quadruped that detects a damaged leg from its own motor sensors and switches to a three-legged gait — no vision required. It is a lab demo, not a fire line, but the proprioceptive trick is new.

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