Hamstrings stretching

World's Greatest Stretch

An intermediate strength movement that trains the hamstrings.

Force Type

Static

direction of effort

Difficulty

Intermediate

training level

Variations

0

equipment swaps

Muscles

4

primary + secondary

The verdict

World's Greatest Stretch has 3-step instructions, documented to a similar depth as most 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

#771 of 868

Lighter documentation than most

Numbered source steps, ranked across every documented exercise.

Instruction text

#261 of 868

More thorough than most

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

How PlainExercise computes exercise placement

World's Greatest Stretch vs every catalogued exercise by instruction-text length

Where this record's instruction-character count sits among all 873 Free Exercise DB exercises with instructions, not a rating of the movement itself.

797 260th of 873 higher than 612 of 873 exercises

All exercises, banded by instruction-text character count

Each bar is a band; taller bars hold more exercises. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source Free Exercise DB · 2026-07-10

World's Greatest Stretch is documented from the Free Exercise DB (CC0) extract, last ingested July 2026. Classification, muscle roles and instruction text are source facts; the placement and cohort measures on this page are computed by PlainExercise and are not a rating of the movement.

What the World's Greatest Stretch Data Reveals · DEEP · STATIC/PATTERN

World's Greatest Stretch stands out on force direction, the first filter on this record.

A short step list is a thin upstream record, so taxonomy badges carry most of the page identity.

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 #19 of 79 by instruction-character length (1.28× the cohort average).

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

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.

World's Greatest Stretch catalog footprint

Among 79 exercises whose primary muscle is hamstrings, World's Greatest Stretch ranks #29 by catalogued variation count. The upstream file attaches 2 images to this slug. See the step-count ranking for hamstrings for peer documentation depth.

Muscles worked

The Free Exercise DB classifies each muscle as primary or secondary. It does not measure activation, so we show involvement, not percentages.

Prime mover Hamstrings
Also worked (3)
calves glutes quadriceps

Source: Free Exercise DB primary/secondary muscle classification. Actual recruitment varies by load and form.

Intensity context

For reference, here is where common activities sit on the MET intensity scale. World's Greatest Stretch 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. This is a three-part stretch. Begin by lunging forward, with your front foot flat on the ground and on the toes of your back foot. With your knees bent, squat down until your knee is almost touching the ground. Keep your torso erect, and hold this position for 10-20 seconds.
  2. Now, place the arm on the same side as your front leg on the ground, with the elbow next to the foot. Your other hand should be placed on the ground, parallel to your lead leg, to help support you during this portion of the stretch.
  3. After 10-20 seconds, place your hands on either side of your front foot. Raise the toes of the front foot off of the ground, and straighten your leg. You may need to reposition your rear leg to do so. Hold for 10-20 seconds, and then repeat the entire sequence for the other side.

Common mistakes

  • Rushing through reps, controlled tempo (2-3s down, 1-2s up) is what drives muscle tension on World's Greatest Stretch, not raw speed.
  • Cutting the range of motion short - moving the hamstrings through its full safe range on World's Greatest Stretch is what most reliably separates effective reps from wasted ones.
  • Using momentum instead of muscle, isolation movements like World's Greatest Stretch reward strict form. If you're swinging the weight, it's too heavy.
  • Loading before grooving the pattern, practice the movement with light resistance until the path feels automatic, then add load.
  • Breathing out of sync with the lift, brace and inhale during the lowering phase, exhale on the exertion.

Who this is for

  • People with 6+ months of consistent training who can perform basic compound lifts with good form
  • People who want to train the Hamstrings and secondarily calves, glutes
  • People training at home without equipment

Who this is NOT for

  • People hunting equipment swaps, this record has none to offer; browse the 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 World's Greatest Stretch 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 expert-level movements that train the same muscle.

Safety notes · BODYONLY · STATIC/PATTERN · MID

  • Intermediate STATIC/PATTERN: warm up mobility matching hamstrings before World's Greatest Stretch.
  • Sharp or joint pain is a stop signal. Muscle soreness during sets is normal; pain is not.
  • Adjust sets, reps, and rest to recovery; 3 upstream steps are a template, not a prescription.
  • General information only. Consult a physician or certified trainer before starting any new exercise program.

Curated workout appearances

World's Greatest Stretch is not currently featured in one of the 186 curated workout routines on this site.

Nationwide exercises with similar documentation depth

Two Free Exercise DB peer sets for World's Greatest Stretch, 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 world's greatest stretch

Three ways 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)