Concerning strength progressions, I personally realize that starting with much more “hip dominant” hinging exercises can load the distal hamstring tendons perfectly without the need of causing an excessive amount of soreness. The progression I use double leg glute bridges, to one-leg glute bridges, to elevated single leg glute bridges, https://trentonwsoua.ltfblog.com/33544066/everything-about-wrist-injuries-in-gymnasts