12 Heavy Metal Workout Songs

Nothing says serious training like the heavy guitar riffs and high-pitched screams of the metal classics. Lift heavy weights and rock out to this list of the greats.1Metallica, "Creeping Death"Via Blackened Recordings2Nine Inch Nails, "March of the Pigs"Via Interscope Records3Megadeth, "Holy Wars... The Punishment Due"Via Capitol Records4Alice in Chains, "Man in the Box"
Via Sony BMG Music Entertainment Inc.5Judas Priest, "Painkiller"Via Sony Music Entertainment Ltd.6Iron Maiden, "Run to the Hil