User blog comment:Trulyrandom/Lets add some science to our articles/@comment-2253300-20120915104153/@comment-3258762-20120915185451

Truly, Orks have the same fighting skills as humans naturally have. As in: Punch, Kick, Claw at the eyes, Hurt. Make them Hurt.

Difference is: An ork is stronger and faster. Speed comes from musculature. Musculature results in strength.