How to Do Standing Leg Curl
Start and end of one clean rep of Standing Leg Curl.
Quick facts
| Primary muscle | Hamstrings |
|---|---|
| Secondary muscles | — |
| Equipment | Machine |
| Category | Strength |
How to perform Standing Leg Curl
- Adjust the machine lever to fit your height and lie with your torso bent at the waist facing forward around 30-45 degrees (since an angled position is more favorable for hamstrings recruitment) with the pad of the lever on the back of your right leg (just a few inches under the calves) and the front of the right leg on top of the machine pad.
- Keeping the torso bent forward, ensure your leg is fully stretched and grab the side handles of the machine. Position your toes straight. This will be your starting position.
- As you exhale, curl your right leg up as far as possible without lifting the upper leg from the pad. Once you hit the fully contracted position, hold it for a second.
- As you inhale, bring the legs back to the initial position. Repeat for the recommended amount of repetitions.
- Perform the same exercise now for the left leg.
Muscles worked
- Hamstrings (primary): bends the knee and extends the hip through hinges and pulls.
Sets & reps by goal
| Goal | Sets × reps | Load | Rest |
|---|---|---|---|
| Strength | 3–5 × 3–5 | Heavy (~85%+) | 2–3 min |
| Hypertrophy | 3–4 × 8–12 | Moderate (~65–75%) | 60–90 s |
| Endurance | 2–3 × 15–20 | Lighter (~50–60%) | 30–45 s |
Pick the row that matches your goal. If you're newer, anchor in the hypertrophy range while you groove the form.
Form tips
- Lead with the hips, keep a soft knee and hold a long, flat back through the hinge.
- Set the seat and pads so the machine's pivot lines up with the joint you're training before your first rep.
- Treat every rep the same — a repeatable setup and bar path is what lets you add weight safely over time.
- Stop a rep or two short of failure on most sets to keep form clean and recover faster.
Common mistakes
- Rounding the lower back to reach lower instead of hinging at the hips.
- Leaving the seat or range on a setting that forces the joint into an awkward angle.
- Chasing weight jumps before the current load feels solid on every rep.
Frequently asked questions
What muscles does Standing Leg Curl work?
Standing Leg Curl is a focused movement that primarily works the hamstrings.
What equipment do I need for Standing Leg Curl?
Standing Leg Curl needs the corresponding weight-stack or plate-loaded machine.
How many sets and reps should I do for Standing Leg Curl?
It depends on your goal: about 3–5 sets of 3–5 heavy reps for strength, 3–4 sets of 8–12 for muscle growth, or 2–3 sets of 15–20 for endurance. Pick the row that matches your goal. If you're newer, anchor in the hypertrophy range while you groove the form.
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