Get a Fighter's Physique: Workout X
2A ALTERNATING JUMPING LUNGE
Sets: 3 Reps: 6 (each side) Rest: 30 sec.
Step forward with one leg and lower your body until your front thigh is parallel to the floor and your rear knee nearly touches the floor . Explosively jump up as high as you can and switch legs in midair , landing with your opposite leg forward . That's one rep. Use the momentum to immediately begin the next rep.