You are hereHome / Training / Build Muscle Built for Battle Workout Get in warrior shape with our one-kettlebell MMA conditioning circuit by by Nick Tumminello, C.S.C.S. | Photos by Scott McDermmott 7 FIGHTER PUSHUP REPS: As many as you can for 25 seconds (alternating sides) Perform a pushup and then twist to your left side and raise your right knee to meet your left elbow. On the next rep, raise your left knee to your right elbow. PagesPREV…56789NEXT Want more Men's Fitness? Sign Up for our newsletters now.