4 karate warmup exercises anyone can do 1. Plank “One of the best exercises in the world is a plank because it’s so simple and so effective,” says Ash of the classic core-strengthening move.

Please bow at the waist for this 10th degree black belt and shihan - meaning expert - in Isshin-ryu karate. His pedigree is as broad as his shoulders and as tall as his lean 6-foot-2 inch frame.