Weighted lunge – hold 5 – 10 kg dumbbells at the sides of body
Walking lunge – maintain a slow forward momentum in a stepping/lunging action
Alternating lunge – start from parallel standing position and alternate a step forward lunge
Twisting lunge – rotate the upper body 90 degrees as you lunge (in the front leg side direction)
Plyo-lunge – not for the old or infirm! as per the standard lunge but push up and off the ground with speed to jump into air, turn 180 degrees in the air and land into a lunge position in the opposite direction – alternate