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Exercises › Quads › Single-Leg Leg Extension

Single-Leg Leg Extension

Single-Leg Leg Extension is a beginner isolation machine exercise that mainly works your quads.

💪 Quads🏋️ Machine📈 Beginner🔗 Isolation🎯 3 sets of 10-15 reps
Single-Leg Leg Extension: starting position
Starting position
Single-Leg Leg Extension: end position
End position

How to do the single-leg leg extension

  1. Seat yourself in the machine and adjust it so that you are positioned properly. The pad should be against the lower part of the shin but not in contact with the ankle. Adjust the seat so that the pivot point is in line with your knee. Select a weight appropriate for your abilities.
  2. Maintaining good posture, fully extend one leg, pausing at the top of the motion.
  3. Return to the starting position without letting the weight stop, keeping tension on the muscle.
  4. Repeat for the desired number of repetitions.

Muscles worked

Primary: Quads

Sets and reps

Do 3 sets of 10-15 reps with 60-90 seconds of rest, using a weight you can control through the full range. Add reps first, then weight.

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Single-Leg Leg Extension alternatives

Exercises that train the same main muscle, including options with other equipment.

Leg ExtensionMachine · BeginnerCable Hip AdductionCable · BeginnerSquatBarbell · BeginnerGoblet SquatDumbbell · BeginnerBodyweight SquatBodyweight · BeginnerWeighted SquatOther · Intermediate

FAQ

What muscles does the single-leg leg extension work?

It mainly works your quads.

How many sets and reps of single-leg leg extension should I do?

Do 3 sets of 10-15 reps with 60-90 seconds of rest, using a weight you can control through the full range. Add reps first, then weight.

Is the single-leg leg extension good for beginners?

Yes. It is a beginner-friendly movement: start light and focus on the form steps above.

More quads exercises →