Drag the orange foot-strike marker to change overstride | hover or tap a joint to inspect

Running Injury Prevention Lab

Scenarios

Live readouts

Weekly overuse risk (illustrative)

Knee (patellofemoral)

Shin (tibial stress)

Stance-phase loading

Controls

Spring-mass running model (half-sine ground force, Alexander 1992), two-link leg geometry for knee moment, patellofemoral force = quadriceps force x 2sin(flexion/2), tibial beam stress, Miner-style damage vs. repair. Educational estimates only, not medical advice.