Standing Cable Leg Extension

Standing Cable Leg Extension isolates the quadriceps through controlled knee extension.

Primary muscle

Upper Legs

Primary musclesQuadriceps

Secondary musclesHip flexors, Tibialis anterior

Equipment

Strength Machine

How to perform Standing Cable Leg Extension

Follow the sequence in order, paying attention to the starting position, movement path, and finish described in each step.

Fasten an ankle strap to a low cable, stand facing away from the stack, and use light hand support for balance.
Lift the strapped thigh slightly in front of the body with the knee bent and keep both hips level.
Hold the thigh still and straighten the working knee against the cable without leaning backward.
Pause with the quadriceps contracted without snapping the knee into lockout.
Bend the knee slowly, complete the set, and repeat with the other leg.

Hold the thigh still so only the knee straightens against the cable.

Use support and reduce resistance if the torso moves to finish the extension.

Finish smoothly without forcing lockout.

Bend the knee slowly and keep the pelvis level on the return.

Thigh moving with the shin: Hold the thigh still so only the knee straightens against the cable.
Snapping the knee straight: Finish smoothly without forcing lockout.
Stop when the exercise produces sharp, catching, radiating, or increasing joint pain rather than the expected muscular effort.
Alternative Supported Standing Cable Leg Extension: Hold a stable support or use an easier setup while learning the movement.

Place Standing Cable Leg Extension after compound knee-dominant work so local quadriceps fatigue does not limit the main lifts.

Use one to three times per week and count it with squats, lunges, step-ups, and leg presses.

Goal	Sets	Reps or time	Rest	Effort and execution
Strength accessory	2–4	6–10	75–150 sec	Leave 2–3 controlled reps in reserve
Muscle growth	2–4	8–15	60–120 sec	Usually 1–3 clean reps in reserve

Use Standing Cable Leg Extension after Barbell Back Squats or Leg Press to add direct quadriceps work.
Pair it with Seated Leg Curls when neither exercise is taken to technical failure.

Scale the movement