Bodyweight lunges: 1 minute
Stand up and prepare for another lower body exercise, lunges.
What to do: Stand straight with hands on the hips and feet a comfortable distance apart. Now step off with the left foot and lunge forward until the left knee is above the ankle and the right knee is near but not touching the floor. Pause briefly and push back with the left leg until you are standing. Now step forward with the right foot and repeat, alternating left, right, left.