A

SETUP Standing with feet hip-width apart, hold a dumbbell in each hand, arms hanging at sides, abs contracted.

B

ACTION Step forward with right foot, bending knees so right knee aligns over right ankle and left knee approaches the floor, left heel lifted; keep hips and shoulders square. Straighten legs, push off left foot and take a step forward with left foot into another lunge. Continue alternating lunges (steps) to complete set (each lunge equals 1 rep). Starting weight range: 5- to 15-pound dumbbells. Strengthens buttocks, quadriceps, hamstrings and calves