substitute for tgu

Hey strong folks! my name's Norbert and I'm glad to be here! I've practiced combat systems and "fitness" (calisthenics, Indian maces, kettlebells and regular weights) since I'm 14 years old (I'm 48 now). I suffered several injuries because of my full-contact sparring/contests, but never, ever...

I have recently been diagnosed with repetitive foot strain. The issue is from my toes to the balls of my feet. I need to limit my walking but also I am unable to put any weight on to the top of my foot so doing things like lunging is out of the question. I've been trying to do S&S Mon to Fri...