I didn’t see this posted before, but if it was, I apologize for the duplication:
This article, “THE PROGRESS ACHIEVED BY JUDOKAS AFTER STRENGTH TRAINING WITH A JUDO-SPECIFIC MACHINE” does validate the theory that specific load-bearing exercises neurologically “carry over” to martial-arts movements. It’s located here: http://www.jssm.org/combat/1/17/v5combat-17.pdf