Leg Extension vs Hack Squat Machine
Maximizing Your Leg Workout Plan
Contents
Hack Squat Machine works multiple joints at once, Leg Extension isolates — difficulty 2 of 5 vs 1. See which fits your Leg day.
Customize Your Leg Workout: Explore the Benefits of Leg Extension and Hack Squat Machine for Better Comparison.
Planfit Users' Choice about Leg Extension vs Hack Squat Machine : Which is Better?
Based on randomly selected data from 1 million completed workouts, Planfit users log Leg Extension more often — 49,848 sessions compared to 5,717 for Hack Squat Machine.
Popularity is not the whole answer. Leg Extension and Hack Squat Machine differ in the muscles they load, the equipment they need, and how hard they are to learn — the comparison below covers each.
How Leg Extension and Hack Squat Machine Differ
| What differs | Leg Extension | Hack Squat Machine |
|---|---|---|
| Muscles worked | quads | quads, hamstrings, and glutes |
| Machine type | pin-loaded | plate-loaded |
| Difficulty | 1 of 5 | 2 of 5 |
| Sessions logged by Planfit users | 49,848 sessions | 5,717 sessions |
How to Leg Extension
Leg Extension muscles worked: Leg
Form
- 1. Please lift until your knees are fully extended.
- 2. Please contract from the front of your thigh close to your knee up to the upper thigh near the hip joint.
- 3. Slowly lower down until the angle of your knees is 90 degrees while resisting the weight.
Coach's Comment
- 1. Please do not give any momentum as it may injure your knees.
- 2. Please be careful not to fully bend or straighten your knees.
- 3. Please be careful not to let your hips and back separate.
If you want to know a detailed guide to Leg Extension, alternative exercises, and its benefits, check it out here. Check out the Leg Extension Guide page of our blog!
How to Hack Squat Machine
Hack Squat Machine muscles worked: Leg
Form
- 1. Tighten your abdomen and keep your waist straight, then bend at the hip joint to lower your hips down.
- 2. Lower yourself until your knees naturally bend and your thighs are vertical to your body.
- 3. Push strongly through the center of your feet to rise up.
- 4. As your hips rise, straighten your knees and hip joints in sequence, and return to the starting position.
Coach's Comment
- 1. Please be careful not to lean your upper body excessively forward.
- 2. Keep your chest up and engage your core to avoid bending your waist.
- 3. Don't excessively bend your waist while trying to keep it straight.
- 4. Please do not push your hips too far back.
- 5. Make sure your feet do not come off the ground.
- 6. When standing up, please ensure your knees do not come together.
If you want to know a detailed guide to Hack Squat Machine, alternative exercises, and its benefits, check it out here. Check out the Hack Squat Machine Guide page of our blog!
Frequently Asked Questions
Which is better for Leg, Leg Extension or Hack Squat Machine?
Planfit users log Leg Extension more often — 49,848 sessions against 5,717 for Hack Squat Machine. Both train Leg, so pick the one that matches the equipment you have and the muscles you want to load.
Do Leg Extension and Hack Squat Machine work the same muscles?
Not quite. Leg Extension loads quads, and Hack Squat Machine loads quads, hamstrings, and glutes.
What equipment do Leg Extension and Hack Squat Machine need?
Leg Extension needs a machine, and Hack Squat Machine needs a machine.
Which is easier to start with?
Leg Extension is the easier place to start. Move to Hack Squat Machine once your form holds up.
Get free AI personalized workout plan
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