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Visual demonstration of the Seated Leg Extension_Alternate Legs exercise

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Beginner

Difficulty
Beginner
Movement type
Other
Primary muscles
Quadriceps
Equipment
Machine
Exercise guide

Seated Leg Extension_Alternate Legs

4 steps Updated 29/08/2026

Seated Leg Extension_Alternate Legs is a exercise targeting Quadriceps (Quadriceps Femoris) using Leg Extension Machine.

Step by step

How to perform it

  1. Sit on the leg extension machine. Position both feet under the padded lever, with the lever resting just above your ankles.
  2. Grip the handles on the sides of the machine for support. Engage your core and keep your back pressed firmly against the backrest.
  3. Extend your right leg by pushing the padded lever upward, straightening your knee, then slowly lower the lever to the starting position.
  4. Immediately repeat the movement with your left leg. Alternate between right and left legs for the desired number of repetitions.
Seated Leg Extension_Alternate Legs

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