Hamstrings beginner isolation machine

Standing Leg Curl

A beginner isolation movement that trains the hamstrings with a machine.

Force Type

Pull

isolation

Difficulty

Beginner

isolation

Variations

0

equipment swaps

Muscles

1

primary + secondary

The verdict

Standing Leg Curl has 5-step instructions, among the most thoroughly documented of the 79 hamstrings exercises PlainExercise catalogues.

Ranked against the 79 hamstrings exercises PlainExercise currently catalogues, not the full exercise-science literature.

Catalog lens

Two ways this record sits in the source corpus

These are placement measures for the documented record, not a score for exercise quality, safety, or suitability.

Instruction steps

#341 of 868

5 numbered source steps; the longest instruction list ranks #1.

Instruction text

#207 of 868

A separate character-length placement prevents step count from standing in for explanatory detail.

How PlainExercise computes exercise placement

Hamstrings

Standing Leg Curl is a beginner isolation movement that trains the Hamstrings. It requires a machine. There are 0 known variations and 8 peer exercises that target the same primary muscle.

  • 1 of 9 exercises targeting the Hamstrings
  • Level: beginner

PlainExercise cross-links 0 variations and 8 peer exercises sharing the same primary muscle.

What the Standing Leg Curl Data Reveals · DEEP · PULL/ISOLATION

Standing Leg Curl opens on mechanic class: ISOLATION pull work for hamstrings with 0 catalogued assistants, joint involvement separates this page from isolation peers.

Among 873 exercises, 5 steps sit in the upper third (≥ 5). Longer step lists usually mean finer setup cues, not a harder movement by themselves.

Standing Leg Curl is classified as a beginner-level isolation movement with a pull force profile, primarily training the Hamstrings. The canonical form requires a machine in the strength category. Within the hamstrings cohort, 9 catalogued movements share the primary target; no alternate-equipment variations are catalogued yet.

Context matters: taxonomy (level, mechanic, force, musculature, equipment) does not account for individual biomechanics, joint history, or recovery. Common-mistake framing below is derived from classification fields, not case-specific coaching. Not medical or personal-training advice. Consult a physician or certified trainer before starting, especially with injuries, cardiovascular conditions, recent surgery, or pregnancy.

Exercise profile

Profile attributes for Standing Leg Curl
Attribute Value
Difficultybeginner
Mechanicisolation
Forcepull
Equipmentmachine
Categorystrength
Primary muscleHamstrings
Secondary muscles0
Variations available0

Source: Free Exercise DB (CC0); profile derived per exercise record.

Standing Leg Curl catalog footprint

Among 79 exercises whose primary muscle is hamstrings, Standing Leg Curl ranks #29 by catalogued variation count (0 listed heres). The upstream file attaches 2 images to this slug. See the step-count ranking for hamstrings for peer documentation depth.

Muscles worked

According to the Free Exercise DB classification, Standing Leg Curl trains the hamstrings as the prime mover and no catalogued secondary muscles. The source classifies muscles as primary or secondary, it does not measure activation, so we show involvement, not percentages.

Prime mover Hamstrings
Level: beginner Mechanic: isolation Force: pull

Source: Free Exercise DB primary/secondary muscle classification. Involvement, not measured activation, actual recruitment varies by load and form.

Intensity context

For reference, here is where common activities sit on the MET intensity scale. Standing Leg Curl does not have a measured MET in the source data, its intensity depends on the load and effort you use. Estimate calories for any activity with the calorie calculator.

MET Intensity Zones, Exercise Intensity Chart Horizontal bar chart showing how six common exercises map to four MET intensity zones: Light (1-3 MET), Moderate (3-6 MET), Vigorous (6-9 MET), and Very Vigorous (9+ MET). Walking at 3.5 MET falls in Moderate; Jump Rope at 12.3 MET reaches Very Vigorous. Light Moderate Vigorous Very Vigorous 0 3 6 9 12 15 MET (Metabolic Equivalent of Task) Walking 3.5 Cycling 6.8 Jogging 7 Swimming 9.8 Jump Rope 12.3 Light (0-3 MET) Moderate (3-6 MET) Vigorous (6-9 MET) Very Vigorous (9-+ MET)

MET values from the Compendium of Physical Activities (Ainsworth et al., 2011). A general reference scale, not a rating of this specific movement.

How to do it

  1. 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.
  2. 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.
  3. 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.
  4. As you inhale, bring the legs back to the initial position. Repeat for the recommended amount of repetitions.
  5. Perform the same exercise now for the left leg.

Standing Leg Curl Documentation Depth

Standing Leg Curl carries 5-step instructions (856 characters of Free Exercise DB text) - enough upstream detail to compare documentation depth inside the hamstrings cohort, not just the taxonomy badges above. Across 79 catalogued hamstrings movements, the average instruction record is 621 characters and 3.9 steps; 41 of those (51.9%) clear the same ≥500-character rich bar used here. This page ranks #14 of 79 by instruction-character length (1.38× the cohort average).

Among the 67 exercises that also use a machine, average instruction length is 786 characters; 25 of those peers are longer than this record. Equipment-matched peers are the honest comparison when you are choosing a substitute implement for the same pattern.

Other well-documented hamstrings movements (same ≥500-character bar):

Common mistakes

  • Rushing through reps before the pattern is grooved - at this stage, a slow, controlled tempo (2-3s down, 1-2s up) on Standing Leg Curl teaches the nervous system the movement far faster than speed does.
  • Cutting the range of motion short - moving the hamstrings through its full safe range on Standing Leg Curl is what most reliably separates effective reps from wasted ones.
  • Using momentum instead of muscle, isolation movements like Standing Leg Curl reward strict form. If you're swinging the weight, it's too heavy.
  • Shrugging the shoulders up toward the ears on pull movements, keep shoulder blades down and back to load the correct muscles.
  • Breathing out of sync with the lift on Standing Leg Curl - brace and inhale during the lowering phase, exhale on the exertion, especially important with a machine where control matters most.

Who this is for

  • People new to resistance training who want to build a foundation in the movement pattern
  • People who want to train the Hamstrings
  • People who have access to a machine

Who this is NOT for

  • People hunting equipment swaps, PlainExercise lists 0 catalogued variations for Standing Leg Curl; browse 8 peer hamstrings exercises for alternate patterns instead.
  • Anyone with acute pain in the joints or muscles involved, pain is a stop signal, not a soreness signal
  • People with unresolved injuries in the loaded joints, seek clearance from a physical therapist first
  • Anyone with a recent surgery, cardiovascular limitation, or pregnancy complication without physician clearance

Progression path

Once Standing Leg Curl feels comfortable with your current load, progress by (a) adding reps until you can complete 12+ per set, (b) increasing resistance by 2.5-5%, (c) moving to harder variations such as single-limb or longer lever versions, and eventually (d) stepping up to intermediate-level movements that train the same muscle.

Safety notes · MACHINE · PULL/ISOLATION · FLOOR

  • On PULL/ISOLATION hamstrings work, warm up 5–10 minutes before loading Standing Leg Curl; keep first sets light until the path feels automatic.
  • Sharp or joint pain is a stop signal. Muscle soreness during sets is normal; pain is not.
  • Beginners on MACHINE gear: cut volume before cutting form, drop a set rather than rush reps.
  • General information only. Consult a physician or certified trainer before starting any new exercise program.

Nationwide exercises with similar documentation depth

Two Free Exercise DB peer sets for Standing Leg Curl, drawn across all muscles (not the hamstrings-only related list below). Each metric produces a different neighborhood.

Other exercises that target the Hamstrings.

See all Hamstrings exercises.

Using the standing leg curl

A beginner isolation movement for the hamstrings - here's how to put it to work.

  • Train the hamstrings 2–3 times a week with 48+ hours between hard sets; pair this with other hamstrings movements for balanced development. All hamstrings exercises
  • Match the load and rep range to your goal, strength, size, or endurance each call for a different scheme. Strength vs hypertrophy
  • As an isolation movement, use it to target the hamstrings directly after your compound lifts. Compound vs isolation

Form before load. If a movement causes sharp or joint pain, stop and substitute a safer alternative, this is general information, not medical or training advice.

Source: Free Exercise DB (CC0) open exercise catalogue, 2026.

Exercise composition and corpus terciles computed by PlainExercise from catalogued records; see the methodology page.

Disclaimer: General information only. Consult a physician or certified trainer before starting any new exercise program.

Data as of: July 2026 (last ingest from source)