Hack Squat Machine
The Hack Squat Machine primarily works the Rectus Femoris, Vastus Lateralis, Vastus Medialis, with secondary activation of the Gluteus Maximus and stabilizer support from the Rectus Abdominis, Transverse Abdominis. It is a machine compound exercise at intermediate difficulty.
Squat with your back against a pad that slides along angled rails.
| Equipment | Machine |
|---|---|
| Difficulty | Intermediate |
| Type | Compound |
| Movement | Squat |
| Force | Push |
| Laterality | Bilateral |
| Primary | Rectus Femoris, Vastus Lateralis, Vastus Medialis |
| Secondary | Gluteus Maximus |
Muscles Worked
Front
Back
Primary
Secondary
Stabilizer
Primary Muscles
- Primary Muscle Rectus Femoris (quadriceps)
- Primary Muscle Vastus Lateralis (quadriceps)
- Primary Muscle Vastus Medialis (quadriceps)
Secondary Muscles
- Secondary Muscle Gluteus Maximus (glutes)
Stabilizer Muscles
- Stabilizer Muscle Rectus Abdominis (core)
- Stabilizer Muscle Transverse Abdominis (core)
Instructions
- Preparation: Adjust machine seat and pads to fit body. Sit or position body in machine. Execution: Bend at hips and knees, lowering body until thighs are parallel to floor. Drive through feet to return to standing position. Repeat. Comments: Maintain control throughout movement to fully engage the Rectus Femoris, Vastus Lateralis, Vastus Medialis.
Alternative Exercises
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