Back Jack and Tire Run Combo Squat Pop Piston Plank Lunge Row Double-Time Wood Chop ‹ prev next › 2 of 6| View All2 Karen Pearson Jack and Tire Run Combo What You'll Need: a pair of 5-pound dumbbells Targets: Shoulders, back, abs, butt, and legs Stand with feet hip-width apart, arms by sides. Do 4 jumping jacks. Karen Pearson Squat Pop Targets: Abs, butt, and legs Stand with feet together, arms by sides. Bend elbows, bringing hands in front of shoulders. Step right foot out to side and lower into a squat, knees bent 90 degrees. Karen Pearson Piston Targets: Arms, abs, butt, and legs Stand with feet hip-width apart, holding a dumbbell in each hand, arms by sides, palms facing in. Lunge back with right leg, bending both knees 90 degrees. Karen Pearson Plank Lunge Row Targets: Shoulders, back, abs, butt, and legs A dumbbell in each hand, get into full push-up position; place dumbbells on the floor so that palms face each other. Lunge left leg forward so that foot lands outside of left hand, knee bent 90 degrees; return to push-up. Karen Pearson Double-Time Wood Chop Targets: Shoulders, arms, abs, obliques, butt, and legs Standing with feet slightly wider than shoulder-width apart, cross dumbbells over each other and hold both with clasped hands in front of hips. (Beginners, use one dumbbell.) Bend elbows to bring weights above right shoulder.