What should you know about groin pain lying down?

Pain may become noticeable when the hip rests in a particular angle, when the legs press together, or after activity earlier in the day. Hip impingement can hurt with bending or turning the hip, while a labral tear may cause deep groin discomfort with catching or clicking. Hip osteoarthritis can bring stiffness after rest and pain with walking. A tender adductor muscle may be more sensitive when the leg moves outward or inward. These patterns are clues, not a diagnosis.

Note whether the pain is deep or close to the skin, whether changing position eases it, and whether you also have swelling, a lump, back pain, numbness, or urinary symptoms.

For a mild, recent problem, avoid the position or activity that clearly provokes it while keeping comfortable movement during the day. Try lying with a pillow between your knees if that reduces hip rotation. Do not force a stretch into sharp pain. A clinician or physiotherapist can examine hip movement, abdominal and thigh muscles, and walking mechanics; sports physiotherapy may be useful when activity or training is involved.

Arrange a clinical assessment if pain keeps returning, interrupts sleep, limits walking, or does not settle with sensible activity changes. Seek urgent care for sudden severe pain, inability to bear weight, a painful groin swelling, fever, vomiting, testicular pain, or new weakness or numbness. These features need prompt evaluation because the cause may not be a simple muscle irritation.

Could the pain be coming from my hip or an adductor muscle? Which movements should I temporarily avoid? What examination findings would suggest imaging or physiotherapy?