Mine MA are:
2 years of free-style wrestling. Got my best rewards there. Unfortunately, I quit at the age of 6 years. So remember nothing from it. (I hope my brain/body) does
.
1 month of sambo
5 years of karate (shito ryu). Unfortunately my consiousness was basically turned-off at the moment. So to my mind I got virtually NOTHING from it. Shame on me!
6 months of russian hand-to-hand combat (Kadochnikov style).
2 years of boxing. This was interesting at first, with very fast progress within first 2-4 months. And then VERY little progress for the rest 1.5 years.