It would be interesting if for foot-pedal driven vehicles, steering fumbles became harder to correct for. I’m thinking bikes specifically and realize this would be wonk as heck to implement, but it would be neat. There is nothing I fear more than the sudden need to turn during a downhill bike run at 40kmph.
leg/torso pain works quite nicely too. What did you mean by explode? Is that what engines do when pushed too far (literal or figurative)? I could see the foot pedal part taking damage and potentially breaking, to reflect damaging the chain/sprocket likely attached to them. Just no boom XD