
balance board
QuadsBody weight

Step 1: Stand facing away from a suspension trainer with your feet shoulder-width apart.
Step 2: Extend one leg forward and place the top of your foot in the foot cradle of the suspension trainer.
Step 3: Bend your standing leg and lower your body down into a lunge position, keeping your chest up and your knee in line with your toes.
Step 4: Push through your heel to return to the starting position.
Step 5: Repeat for the desired number of repetitions, then switch legs.