Stand in the hack squat machine with your feet shoulder-width apart.
2. Position your shoulders under the shoulder pad and keep your upper and lowerback in contact with the back pad at all times.
3. Slowly lower your body by bending your knees and stop after your thighs are parallel to the platform.
4. Hold this position for a moment and return to the starting position.
Working muscle/muscles:
![](https://ajpfitness.com/wp-content/uploads/2024/04/Quads.png)
![](https://ajpfitness.com/wp-content/uploads/2024/04/Glutes.png)