Visualize his bouncing up and down and pounding his heel into the ground in front of his body.
Ten Study Reviews: Reduce injury potential by increasing stride rate (reduced stride length).
Results:
There was consistent evidence that increased stride rate decreased:
vertical movement
ground impact force
energy absorbed at the hip, knee, and ankle joints
Source: Sports Health
https://pubmed.ncbi.nlm.nih.gov/24790690/