Instructions:

1. Stand in front of the smith machine with your feet shoulder-width apart.
2. Place one foot behind you on a bench or step, with your toes pointing forward.
3. Hold onto the smith machine bar for stability.
4. Bend your front knee and lower your body down into a lunge position, keeping your back straight.
5. Pause for a moment at the bottom, then push through your front heel to return to the starting position.
6. Repeat for the desired number of repetitions, then switch legs.