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Atlas · Thigh

Adductor longus

Adductor longus contributes to bringing the thigh toward the midline. Familiar groin or inner-thigh pain during a squeeze, side step or change of direction can support an adductor-related presentation when examination findings agree. Hip, pubic, inguinal and pelvic causes must also be considered.

Adductor longus
Body region
Thigh
Trigger points
3
documented in this muscle
Common symptoms
3
patterns cataloged
Contributors
3
Factors to assess

Muscle overview

Symptoms and first steps

Practical first steps

  • Reduce sharp cutting, forceful kicking or a very wide stance while keeping comfortable movement.
  • Begin adductor loading at a manageable lever length and effort.
  • Avoid aggressive stretching into groin pain or pressure over the femoral pulse.

When to seek assessment

  • Sudden severe groin or testicular pain, a painful irreducible groin bulge, fever or inability to bear weight needs urgent medical assessment.
  • A pop with substantial bruising, weakness or difficulty walking needs injury assessment before return to sport.
  • Persistent pelvic, urinary, bowel or genital symptoms require appropriate medical evaluation alongside any muscle treatment.

Locate the proximal longus tendon and require familiar adductor pain on resistance before using the adductor-related label. Direct pubic-symphysis tenderness is a separate regional finding.

Examination, palpation and treatment evidence

Illustrated overview

Adductor Longus · Trigger points and referred pain 1

Representative source regions. The illustrated markers and pain pattern are not individual assignments to the numbered trigger points.

Open full-size image

Trigger points

1. TrP1

Location. Upper inner thigh

Trigger point map
Adductor longus — Trigger point mapOpen full-size image

Shared muscle diagram; it may show several trigger points.

Referred pain map
Adductor longus — Referred pain mapOpen full-size image

Shared muscle diagram; it may show several trigger points.

Pain referral. Upper inner thigh, groin

Pain Pattern

  • Upper inner thigh
  • Groin
  • Pubic area

What This Pain Feels Like

Upper inner-thigh or proximal groin discomfort may occur during a squeeze or side step. This location calls for comparison of adductor tenderness with pubic, inguinal and hip findings.

What Patients Report

  • Groin pain
  • Inner thigh ache
  • Pain with running

What Makes It Worse

  • Running
  • Cutting movements
  • Leg abduction
  • Kicking
Browse related exercises (2)

Symptoms patients report

Groin or medial-thigh loading pain A squeeze, side step, kick or wide stance may reproduce the familiar pain. Record whether it is at the pubic attachment, thigh belly or deep hip.

Pain with change of direction Acceleration and cutting may be more provocative than straight-line walking. A sudden injury with bruising differs from gradually increasing training-related pain.

Reduced tolerance of a wide stance Hip abduction may stretch sensitive adductor tissues, but deep groin pain or marked joint restriction warrants a hip examination.

Contributors to assess

Rapid increase in lateral or kicking load Review cutting drills, skating, kicking volume and new wide-stance strength work, including recovery between sessions.

Previous groin injury and reduced strength Pain can persist when daily tasks recover before sport-specific capacity. Reassess adductor strength and the actual sporting action.

Coexisting regional pain Pubic, inguinal and hip-related presentations can coexist with adductor tenderness; one tender site need not explain every symptom.

For clinicians and supervised training

Clinical reference

Adductor-related groin pain is a regional clinical category. A squeeze test cannot identify one adductor belly, and a muscle referral drawing cannot explain genital, urinary or unexplained pelvic symptoms.

Anatomy and palpation

Anatomical relationships

Adductor longus runs from the anterior pubic body near the symphysis to the middle femoral linea aspera. Its relatively superficial proximal tendon and triangular belly lie in the upper medial thigh. It adducts the hip and contributes to flexion; adductor brevis is a separate deeper muscle.[1]

  • Pubic body near the symphysis is the proximal attachment region.
  • The proximal tendon becomes easier to identify with a light adductor squeeze.
  • The superficial medial-thigh belly fans distally toward the femoral shaft.

Nearby structures. Pectineus and the femoral triangle are lateral/proximal; gracilis is medial and brevis lies deep. Obturator nerve branches and deep femoral vessels are not targets for forceful palpation.

Palpation

Patient position. Supine with the hip slightly flexed and abducted, knee supported and thigh relaxed. Explain the groin-area examination, obtain specific consent and use appropriate draping.

Find the landmarks

  • Pubic body near the symphysis is the proximal attachment region.
  • The proximal tendon becomes easier to identify with a light adductor squeeze.
  • The superficial medial-thigh belly fans distally toward the femoral shaft.

Examination sequence

  1. Identify the proximal tendon during a light squeeze, with explicit consent for this near-groin contact.
  2. Relax the leg and follow the superficial belly distally using broad pressure; compare focal tendon tenderness with belly tenderness.
  3. Record familiar pain and examine pubic or inguinal symptoms separately rather than extending deep pressure into those areas.

Document the findings

  • Document the exact tender region and whether gentle palpation and resisted adduction reproduce the same recognizable symptom.
  • The ability to identify a superficial tendon does not prove that a deeper neighboring belly is the pain source.

Limits and precautions

  • Do not apply forceful pressure over the femoral triangle or attempt deep self-palpation into the pelvis.
  • Defer vigorous examination when an acute tear, hernia, infection or other urgent cause is suspected.
[1][2]

Examination and tests

2

Resisted adduction with familiar-pain mapping[2]

Assess the clinical adductor-related groin-pain pattern and establish a repeatable loading baseline.

Position
Supine with hips and knees supported, commonly knees bent; place a ball, cushion or clinician resistance between the knees.
Technique
Ask for a gradual submaximal squeeze. Record where pain occurs, effort or measured force and whether this is the usual complaint. Repeat at a consistent position for follow-up; a clinician may compare a longer-lever position if tolerated.
Positive finding
Familiar adductor-region pain with resisted adduction, together with tenderness in that region.
Interpretation
The combination supports an adductor-related classification in the appropriate history. Pain elsewhere during the squeeze does not meet the same criterion.
Limitations
The test loads several adductors and cannot select longus, brevis or magnus. Pain-limited force is not a direct measure of structural injury.

Passive hip motion and controlled adductor length tolerance[2][1]

Separate a medial-thigh stretch response from deep hip pain or a joint-motion restriction.

Position
Supine with the pelvis level and the tested leg supported by a clinician.
Technique
Compare comfortable flexion and rotation first. Move the supported thigh into abduction slowly, initially with the knee bent and then straighter if appropriate. Record the first familiar pain, its location and the available range; do not force end range.
Positive finding
Familiar medial-thigh pain with abduction, or deep groin pain/restriction during hip flexion and rotation.
Interpretation
An abduction response can guide a tolerable loading range. Deep joint-like pain or restricted rotation should prompt hip assessment rather than stronger adductor stretching.
Limitations
Neither stretch pain nor a flexion/rotation provocation test independently diagnoses a tear, impingement or a trigger point.

Distinguishing other causes

Acute adductor strain or proximal tendon injury[2]

Findings that matter. A clear sprint/cut/kick event, focal pain, bruising and loss of strength suggest an acute lesion.

Next step. Assess injury extent and walking ability; seek imaging or sports-medicine input when major tearing or avulsion is suspected.

Hip-related groin pain[2]

Findings that matter. Deep groin pain with restricted hip rotation, painful flexion, catching or a joint-related pattern.

Next step. Perform a regional hip examination and choose investigation from the clinical picture; a positive squeeze does not exclude hip disease.

Inguinal-related or pubic-related pain[2]

Findings that matter. Pain centered on the inguinal canal with cough/abdominal resistance, or tenderness directly at the pubic symphysis and adjacent bone.

Next step. Examine those regions separately; a palpable hernia or significant bone-load pain changes management.

Urological, gynecological or other pelvic disease[5]

Findings that matter. Urinary, genital, bowel, menstrual or systemic symptoms are not explained by an adductor referral pattern.

Next step. Coordinate medical assessment without requiring a failed course of self-treatment first.

Treatment selection and progression

Exercise and rehabilitation

Adductor longus and regional adductor strengthening[3]

Consider when. An assessed adductor-related presentation with acute major injury excluded.

Start with a comfortable bent-knee squeeze. Add a side-lying short-lever adduction or standing band adduction without twisting the pelvis; later progress toward longer-lever and sport-specific loading.

Dose and review
Illustrative entry point: 4–5 comfortable short isometric holds or 1–2 sets of 6–10 controlled repetitions, followed by a next-day check. Adjust effort and frequency clinically.
Progression
Move from short-lever loading toward greater resistance and longer levers; add lateral lunges and sport-specific actions as tolerance improves.
Stop or reassess
Stop for sharp new pain, bruising or deteriorating walking; reduce the next exposure if baseline function remains worse.
Evidence and limits
A randomized trial supports active strength/coordination training for longstanding athletic adductor-related groin pain. It did not test a single adductor muscle or this illustrative starting dose.

Exercise and rehabilitation

Restore lateral movement and kicking capacity[3][2]

Consider when. Walking and initial strengthening are tolerable but sport movements remain limited.

Build straight-line walking/jogging first. Add controlled side steps and shallow lateral lunges, then planned changes of direction. Restore kicking power and unpredictable cutting separately.

Dose and review
Use short supervised exposures with recovery between demanding sessions; set the starting volume from the current squeeze and movement response.
Progression
Increase speed, range or unpredictability individually and complete the actual sport task before unrestricted return.
Stop or reassess
Stop for a limp, sharp groin pain or loss of control; return to the last tolerable stage.
Evidence and limits
Regional active rehabilitation has trial support; readiness is based on capacity and symptom response rather than a guaranteed calendar date.

Clinician-delivered care

Manual-assisted adductor movement within rehabilitation[4][3][2]

Consider when. Longstanding athletic adductor-related groin pain, with proximal tenderness and familiar pain on resisted adduction for at least two months; major acute injury and competing hip, pubic or inguinal causes have been assessed.

After warming the region, a clinician supports the leg through hip flexion, external rotation and abduction, then returns it toward adduction with soft-tissue contact over the adductors. Use an agreed tolerable range and pressure. Follow with individualized stretching and graded return to running; this treats the regional adductor presentation.

Dose and review
The studied manual sequence used three cycles in one visit and allowed one repeat visit if there was no improvement. Daily warm-up and stretching preceded a return-to-running program after 14 days when pain and discomfort had settled. Adjust the stretch to tolerance and reassess before progression.
Progression
Recheck the same adductor squeeze, sport pain and running task. Build strength and running capacity, then restore kicking or cutting according to the sport.
Stop or reassess
Stop for sharp pain, new bruising, numbness or worsening walking. Reassess a groin bulge, focal pubic pain or deep joint symptoms before repeating local treatment.
Evidence and limits
In 54 athletes, a manual/stretch/running program produced faster return among those who resumed sport: 12.8 versus 17.3 weeks with home exercise and running. Full return proportions were 50% versus 55%, and sport pain and objective outcome did not differ. Follow-up extended to 24 weeks; the trial did not isolate manual treatment or longus, brevis or magnus.

Self-care and activity

Adjust the provoking stance and workload[3][2]

Consider when. Groin symptoms reliably track the amount of lateral, wide-stance or kicking activity.

Temporarily shorten the stance or stride, reduce repeated high-force kicking, and separate hard sessions. Keep easy walking or other comfortable conditioning while working on strength.

Dose and review
Review a small number of comparable sessions and next-day symptoms; complete rest is not a mandatory fixed course.
Progression
Reintroduce the removed task alongside strength gains and use the same movement to measure progress.
Stop or reassess
Arrange reassessment for persistent rest pain, pubic bone pain, a groin bulge or urinary/genital symptoms.
Evidence and limits
This is practical load management within active care. Verified evidence does not justify a routine DN, ESWT or injection course for isolated longus, brevis or magnus tenderness.

Reassessment and follow-up

  • Repeat the squeeze at the same hip/knee angle and effort or measured force.
  • Track side-stepping, kicking or the relevant wide-stance task, including next-day response.
  • Revisit hip, pubic, inguinal and pelvic alternatives if progress is poor or symptoms do not match loading.

Evidence and sources

  1. University of Washington Muscle Atlas: Adductor longus

    2026 · Institutional anatomy reference

    Undated anatomy page, verified September 2026; the year records this review. Supports attachments and actions, not diagnostic accuracy of palpation or a trigger-point map. No atlas illustration reproduced.

  2. Doha agreement meeting on terminology and definitions in groin pain in athletes

    2015 · Clinical consensus

    Defines adductor-related pain by adductor tenderness plus familiar adductor pain on resisted adduction; classifications can coexist and do not isolate individual adductor muscles.

  3. Effectiveness of active physical training as treatment for long-standing adductor-related groin pain in athletes: randomised trial

    1999 · Randomized trial

    68 athletes; active strength/coordination training versus physiotherapy without active training. At four months after treatment, 23 versus 4 returned to sport without groin pain. Regional athletic condition; no individual-muscle or trigger-point efficacy claim.

  4. Manual or exercise therapy for long-standing adductor-related groin pain: a randomised controlled clinical trial

    2011 · Randomized active-comparator trial

    54 athletes with proximal adductor tenderness and familiar pain on resisted adduction for at least two months. Heat, Van den Akker manual treatment, stretching and return to running versus home exercise and return to running. Returners resumed sport at 12.8 versus 17.3 weeks; full return proportions were 50% versus 55%, with no difference in sport pain or objective outcome through 24 weeks. Regional program, not isolated-muscle efficacy.

  5. EAU Guidelines on Chronic Pelvic Pain: Diagnostic Evaluation

    2026 · Clinical guideline

    Current online chapter verified September 2026; coordinated organ, musculoskeletal and neurological assessment, including pelvic-floor contraction/relaxation. Tenderness cannot exclude organ disease.

Associated Trigger Points