1
Stand upright with feet hip-width apart, arms at sides or hands on hips, core engaged, neutral spine alignment
2
Begin with bodyweight only; engage core and maintain an upright torso throughout the movement
3
Lower body by flexing hips and knees, descending into a lunge position with front knee tracking over ankle and back knee lowering toward ground
4
Drive through front heel to extend hips and knees, returning to standing position; alternate legs in a continuous running motion