Effective Self Defence in General Chat Posted August 1, 2021 It's about conditioning. Not years doing grades. You take what's necessary. In case of standard karate, I'd back a decent boxer, due to the actual contact and conditioning. Having said that some Shaolin monks did serious conditioning to rival any marines program. Practically boxing and judo would go well together but conditioning is always a plus. Many martial arts are more sport orientated but do increase fitness.