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Cable Seated Leg Extension

Step by step instructions, muscle activation and variants for the Cable Seated Leg Extension.

MediumQuadriceps

About this exercise

A cable-based variation of the leg extension performed while seated, using an ankle attachment connected to the low pulley to isolate the quadriceps through knee extension. The cable provides a consistent tension curve throughout the movement.

How to Perform

  • Attach ankle straps to the low pulley cable and fasten them to your ankles
  • Sit on a bench or box facing away from the cable machine with your knees bent at approximately 90 degrees
  • Hold the bench for stability and keep your back upright
  • Extend both legs simultaneously until they are nearly straight, contracting the quadriceps at the top
  • Pause briefly at full extension, squeezing the quads
  • Slowly lower your legs back to the starting position under control
  • Repeat for the desired number of repetitions

Muscle Activation

Primary
Quadriceps

About the Cable Seated Leg Extension

The Cable Seated Leg Extension is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.