Side Lying Groin Stretch
A beginner isolation movement that trains the adductors.
Force Type
Static
direction of effort
Difficulty
Beginner
training level
Variations
0
equipment swaps
Muscles
2
primary + secondary
The verdict
Side Lying Groin Stretch has 3-step instructions, documented to a similar depth as most of the 13 adductors exercises PlainExercise catalogues.
Ranked against the 13 adductors 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
#742 of 868
Lighter documentation than most
Numbered source steps, ranked across every documented exercise.
Instruction text
#680 of 868
Lighter documentation than most
A separate character-length placement prevents step count from standing in for explanatory detail.
Side Lying Groin 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.
428 677th of 873 higher than 193 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
Side Lying Groin 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 Side Lying Groin Stretch Data Reveals · DOC · STATIC/ISOLATION
Side Lying Groin 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.
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.
Side Lying Groin Stretch catalog footprint
Among 13 exercises whose primary muscle is adductors, Side Lying Groin Stretch ranks #1 by catalogued variation count. The upstream file attaches 2 images to this slug. See the step-count ranking for adductors 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.
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. Side Lying Groin 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 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
- Start off by lying on your right side and bend your right knee in front of you to stabilize the torso.
- Rest your head on your right hand or shoulder. Lift your left leg upward and hold it by the back of the knee (easier) or the foot (harder).
- Pull your left knee in toward your left shoulder and simultaneously press your foot or knee down to the floor. To intensify this stretch, straighten your left leg. Switch sides.
Common mistakes
- Rushing through reps before the pattern is grooved - at this stage, a slow, controlled tempo (2-3s down, 1-2s up) on Side Lying Groin Stretch teaches the nervous system the movement far faster than speed does.
- Cutting the range of motion short - moving the adductors through its full safe range on Side Lying Groin Stretch is what most reliably separates effective reps from wasted ones.
- Using momentum instead of muscle, isolation movements like Side Lying Groin 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 new to resistance training who want to build a foundation in the movement pattern
- People who want to train the Adductors and secondarily hamstrings
- People training at home without equipment
Who this is NOT for
- People hunting equipment swaps, this record has none to offer; browse the peer adductors 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 Side Lying Groin 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 intermediate-level movements that train the same muscle.
See the Progression guide for a full framework on when to advance, and the Compound vs Isolation guide to decide when to prioritize this movement in your program.
Safety notes · BODYONLY · STATIC/ISOLATION · FLOOR
- On STATIC/ISOLATION adductors work, warm up 5–10 minutes before loading Side Lying Groin Stretch; 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 BODYONLY 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.
Curated workout appearances
Side Lying Groin 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 Side Lying Groin Stretch, drawn across all muscles (not the adductors-only related list below). Each metric produces a different neighborhood.
Similar instruction step count
Nearest catalog records by numbered steps.
Similar instruction text length
Nearest catalog records by upstream instruction characters.
Related exercises
Other exercises that target the Adductors.
See all Adductors exercises.
Using the side lying groin stretch
Three ways to put it to work.
- Train the adductors 2–3 times a week with 48+ hours between hard sets; pair this with other adductors movements for balanced development. All adductors 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 adductors 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.