Lower Body - Part 3

Minute 6: Lunge Step-Ups (toning, pictured)
Hold a five- to eight-pound dumbbell in each hand, and place left foot on a step or low bench. Take a big step back with right leg (at least three feet behind you) as you bend left knee to a 90-degree angle, as shown. Straighten left leg as you bring right leg forward, and touch step with right foot. Repeat. After 30 seconds, switch legs.

 Minute 7: High Knee Lifts (cardio)
Jog in place, bringing each knee up until thigh is parallel with the floor.