A guy from T-nation, also spoke of how there are many hip-hyper extension exercises (such as your hip thrusts) that have far more gluteal activation than squats (which are hip extension and not hip-hyper extension.). However, even HE, who eventually reached impressive numbers in weighted hip thrusts, never reported that he ran a fast sprint time. He did suggest a sprinter should include wieghted hip thrusts.
But for me, I don’t think even they contribute much in the way of speed.
I’m still not interpreting correctly, your point on degenerative effect on tedons.
Are you saying that weight training strengthens the tendons TOO much compared to the muscles? Are you saying that weight training takes some of the elastic properties away from the tendons? Are you saying that it is not good for a sprinter to get their tendons really strong (if it interfere’s negatively with muscle power outputt?, during a sprint.) Or was your orthapedist suggesting something else?
At the momment, I don’t really see where strong tendons (particularly the achilles) would be a problem?
And if it IS a problem… Was you saying that weight training (reps) makes that problem worse, or decreases the problem. Or that only isometric resisted holds help to eradicate the problem?