want to shuffle around in your old age, taking small steps like the Thai champion of my acquaintance.
Abbreviated Iron Leg training? Have someone roll a broom handle down your inclined leg (centre, and both sides of the shin) with increasing pressure over the course of a month. Next stage is to get your shin rapped up and down with a stick after a fortnight. Dit Da Jau may help with bruising.
Bag work comes next, but with stones and soil inside.