How to do the Standing Cable Leg Extension
- Strap one ankle to a mid-height pulley and stand facing away.
- Let the cable bend your knee, thigh pointing straight down.
- Straighten the knee against the cable until the leg is nearly straight.
- Bend the knee back under control, then switch legs after all reps.
Full technique — 8 steps
- Attach an ankle strap to a mid-height pulley and fasten it around one ankle.
- Stand facing away from the machine and step forward until the cable is taut.
- Let the cable pull your heel back until the knee is bent about 90 degrees.
- Stand tall on the other leg with the working thigh pointing straight down and your hips level.
- Straighten the working knee against the cable until the leg is nearly straight.
- Squeeze the quadriceps at the top without kicking the weight up or snapping the knee straight.
- Bend the knee back to about 90 degrees under control, keeping the thigh pointing down.
- Finish all reps on one side, then switch legs and match the same range.
Common mistakes
- Kicking the weight upward
- Snapping the knee straight
- Swinging the thigh forward
- Leaning the torso forward
- Using different range per side
Form cues
- Thigh points straight down
- Move only at the knee
- Stay tall through torso
- Squeeze the top
- Keep hips square
Substitutes by equipment
Same muscles, same movement — pick the version you have the gear for.
No equipment
Machine
- Single Leg Extension Easier
Where to start and where to go next
Same muscles, same movement. Too hard for now — step down; once it gets easy — step up.
- Easier Leg Extension
- This exercise Standing Cable Leg Extension
Too hard for now? Start with the Leg Extension.
Quick answers
What muscles does the Standing Cable Leg Extension work?
Primary: Quads 9/10. Also works: Hip flexors 4/10, Glutes 3/10.
When should I do the Standing Cable Leg Extension in a workout?
Finisher. Goes last, once the heavy work is done. ≈ 8 min with rest.
How many sets and reps of the Standing Cable Leg Extension?
Strength: 3 sets of 8–10 reps, rest 1 min 15 s, 2–3 reps in reserve. Muscle growth: 3–4 sets of 10–15 reps, rest 1 min, 2–3 reps in reserve. Endurance: 2–3 sets of 15–20 reps, rest 45 s, 3–4 reps in reserve.
What can I do instead of the Standing Cable Leg Extension?
No equipment: Bodyweight Single Leg Extension. Machine: Single Leg Extension.
What is an easier version of the Standing Cable Leg Extension?
Leg Extension (Beginner).