"Outlaw" by Manowar
"Jesus Built My Hotrod" by Ministry
"After the Flesh" by My Life with the Thrill Kill Kult
"A Drug Against War" by KMFDM
"Buck Dich" by Rammstein
"Kill All the White People" by Type O Negative
...and many more! (I just can't remember them all right off the top of my head.)
This is the sort of stuff I used to crank back in Ye Olden Tymes of martial arts training (circa 1997-98).
Circle Jerks, Ministry, Bad Religion, Suicidal, Pantera, Superjoint Ritual, and old school metal like Belladona Anthrax and Burton Metallica and Slayer. All good "pump you up" type music.
It wouldn't hurt to throw in some Eye of the Tiger or "Your the best around" from the Karate Kid soundtrack.