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Muscle guide

Hip adductors: inner-thigh and groin pain

Adductor longus, brevis and magnus, gracilis and pectineus — with a clinical approach to squeezing, side-stepping and groin symptoms.

At a glance

  • A painful squeeze does not isolate an individual adductor.
  • Adductor-related groin pain is a clinical category; hip, inguinal, pubic and other causes can coexist.
  • Acute injury, persistent athletic groin pain and pelvic or abdominal symptoms need different assessment pathways.

Anatomy and image context

The adductors occupy the medial thigh and contribute to bringing the leg toward the midline. Longus runs from the pubis to the femur; brevis lies deeper, while magnus forms a broad deeper layer with an extension role in its hamstring portion. Gracilis crosses the knee and pectineus lies more proximally. The groin also contains important vessels, nerves and non-muscular structures. [1][2]

Illustrated overview

Gracilis

Essential Anatomy 5

Illustrated overview

Figure 02 · Trigger regions

Gracilis. Two unnumbered classic gracilis belly examples. Representative source regions; not numbered point assignments.

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About this illustration

Essential Anatomy 5 capture; colors and separate annotations edited without redrawing anatomy. Regional examples, not numbered point assignments.

  • Travell and Simons, Myofascial Pain and Dysfunction: The Trigger Point Manual, Volume 2, The Lower Extremities, first edition
  • Fig. 15.3; p. 293; 311

What the examination can tell you

These are clinician-led observations. The interpretation and its limits belong together.

History and a consented regional examination
Assessment
Clarify whether pain began with a kick, change of direction or a gradual training increase. Ask about hip catching, coughing, abdominal or pelvic symptoms. Explain the examination, use appropriate draping and obtain consent before groin palpation.
What it adds
The history determines which regions need assessment and prevents a muscle-only explanation.
Limit
Tenderness near the pubis does not exclude hernia, bone, hip or organ-related disease. [2]
Tenderness plus resisted adduction
Assessment
A clinician compares familiar adductor-region tenderness with pain during a graded leg-squeeze or resisted adduction effort. Record the precise symptom location, not just whether the test hurts.
What it adds
Together, these findings can fit the Doha adductor-related category in an athlete.
Limit
The category does not identify one muscle, prove a trigger point or exclude another coexisting groin-pain category. [2]
Function and adjacent regions
Assessment
Assess a tolerated side step and hip movement; compare force when an acute major injury is not suspected. Include the hip, inguinal or pubic examination when the history warrants it.
What it adds
The combined findings help choose the loading task and determine whether referral is needed.
Limit
A squeeze performed at one angle is not a complete groin assessment. [2][3]

Other causes to consider

Acute adductor injury

A sudden kicking or cutting injury, focal pain, bruising and reduced force.

Next step: Assess severity before aggressive stretching, maximal testing or return to sport. [2]

Other athletic groin-pain categories

Inguinal symptoms with coughing or abdominal effort, pubic tenderness, hip-related restriction or iliopsoas-region findings.

Next step: Use the relevant examination; more than one clinical category may be present. [2]

Bone, abdominal, pelvic or urological cause

Severe weight-bearing pain, a groin lump, systemic symptoms or symptoms unrelated to muscular loading.

Next step: Arrange medical assessment rather than using a trigger-point map to explain the complaint. [2]

A practical management pathway

  1. Reduce the provoking demand temporarily

    Adjust hard cutting, wide lunges or forceful kicks while keeping a tolerable amount of ordinary activity. Strong end-range stretching is not required to begin recovery.

    Progression: Restore easy movement before repeatedly testing the most provocative sporting action. [3]

  2. Build adduction strength and coordination

    For an assessed loading problem, a gentle supported squeeze or short-lever adduction task can be a practical starting point. Progress resistance and coordination as tolerated.

    Progression: Long-lever and Copenhagen variations belong later when the person has sufficient capacity; no single starting dose suits every injury. [3]

  3. Return to the direction and speed required

    Connect strength work to side steps, controlled direction changes and eventually sport-specific speed. A field athlete and someone limited by walking need different progressions.

    Progression: Track familiar pain and function after each increase. Persistent symptoms require reassessment of the diagnosis and load plan. [3][2]

What to track

  • Compare the same adduction task and pain location.
  • Record side-step or cutting exposure separately from stretching range.
  • Revisit hip, inguinal and other symptoms when the pattern changes.

When to seek assessment

  • Prompt medical assessment: inability to bear weight, a major acute injury or progressively worsening unexplained groin pain.
  • Urgent assessment: sudden severe testicular or abdominal pain, a painful groin lump, fever or systemic illness.

Evidence and limits

The exercise trial supports active rehabilitation in a selected group with long-standing athletic adductor-related pain. It does not establish that a tender adductor causes pelvic-organ symptoms or that treating one point resolves every groin complaint.

Sources

  1. University of Washington Muscle Atlas: Adductor Longus

    University anatomical reference. Used for muscle attachments and actions, not to validate trigger-point locations or treatment efficacy. No source illustration is reproduced here.

  2. Weir et al. Doha Agreement on Terminology and Definitions in Groin Pain in Athletes (2015)

    Clinical consensus. Clinical categories can coexist. Adductor-related groin pain requires adductor tenderness and familiar pain on resisted adduction; it is not a trigger-point diagnosis.

  3. Hölmich et al. Active Physical Training for Long-standing Adductor-related Groin Pain (1999)

    Randomized trial. Active strength and coordination training outperformed the comparison physiotherapy program in 68 athletes. Findings concern a selected athletic groin-pain population, not individual tender points.