Hack Squat
A back-supported squat on an inclined sled: loads the quads without any balance concerns.
- Sets
- 3
- Reps
- 8-12
- Rest
- 120 s
- Difficulty
- Intermediate
MachineSecondary muscles: Core
Demonstration

Targeted Muscles
How to Perform
- 01Set your back and shoulders against the pads, feet shoulder-width on the platform.
- 02Release the safety handles and squat until your knees pass 90 degrees.
- 03Drive through your heels and come back up under control.
Form Tips
- Feet higher on the platform emphasizes glutes/hamstrings; lower emphasizes quads.
- Do not let your knees cave in; keep them in line with your toes.