Leg Extension
Learn how to do Leg Extension with proper form. Watch the 4K video, see which muscles are worked, and follow step-by-step instructions.
Leg Extension is a Machine exercise that primarily targets the Quadriceps. It has a MET value of 3.5, meaning a 70kg person burns approximately 123 calories in a 30-minute session..
How to Do Leg Extension
An isolation machine movement that targets the quadriceps with precision. Ideal for hypertrophy, warm-ups, or finishing leg workouts.
💡 Instructions:
• Sit down and adjust the backrest so your knees align with the machine's pivot.
• Place your shins behind the padded lever.
• Grip the handles, brace your core.
• Extend your legs fully while squeezing your quads.
• Control the movement back to the starting position — don’t let the weight drop.
⚠️ Common mistakes:
• Lifting the hips off the seat.
• Using momentum to swing the weight up.
• Going too heavy and losing range of motion.
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Start Free TrialMuscles Worked by Leg Extension
Equipment
- Machine
Calories Burned Doing Leg Extension
Calorie Calculator
MET 3.5Calories = MET × weight (kg) × time (hours)
Quick Facts: Leg Extension
- Type
- Machine exercise
- Primary muscle
- Quadriceps
- Secondary muscles
- None
- MET value
- 3.5
- Calories (30 min, 70kg)
- ≈ 123 cal
- Video quality
- 4K with male and female demonstrations
FAQ: Leg Extension
What muscles does Leg Extension work?
Leg Extension primarily targets the Quadriceps.
How do you do Leg Extension correctly?
An isolation machine movement that targets the quadriceps with precision. Ideal for hypertrophy, warm-ups, or finishing leg workouts. 💡 Instructions: •...
Is Leg Extension good for beginners?
Leg Extension has a MET value of 3.5, indicating a moderate intensity exercise appropriate for most fitness levels.
What equipment do you need for Leg Extension?
Leg Extension requires: Machine.
What are the benefits of Leg Extension?
Leg Extension strengthens the Quadriceps.
What exercises are similar to Leg Extension?
Similar exercises to Leg Extension include Alternating Single-Arm Dumbbell Thruster, Barbell Alternating Lunges, Barbell Bulgarian Split Squat, Barbell Front Squat.
Is Leg Extension better than Alternating Single-Arm Dumbbell Thruster?
Both Leg Extension and Alternating Single-Arm Dumbbell Thruster target the Quadriceps. Choose based on your available equipment and training goals.
Alternative Exercises
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