With regards to power progressions, I personally see that starting with extra “hip dominant” hinging exercise routines can load the distal hamstring tendons nicely without the need of leading to an excessive amount pain. The development I use double leg glute bridges, to one-leg glute bridges, to elevated one leg https://gymnastics-safety-tips58123.blogdal.com/35104659/rumored-buzz-on-child-athlete-safety-gymnastics