I don't say this to infer that athletes shouldn't care about getting strong, or that getting strong doesn't help speed, because it certainly can, but what I am saying is that the relentless pursuit of maximal strength at the expense of relevant sport skills is counter productive. (blog.trainheroic.com)
Isometrics are one of the most convenient and effective methods that you can use for maximal strength training. (ashotofadrenaline.net)
Also, since back strength is not a limiting factor during the performance of the hip thrust, which is very common for other glute building exercises, it allows for maximal loading of the glutes and therefore greater strength and size gains. (fitnessandpower.com)