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Home › Body Atlas › Fascia & Spaces › Hip Anterior Recess
Fascia or Space Pelvis & Hip

Hip Anterior Recess

recessus anterior articulationis coxae

The anterior recess of the hip joint is the redundant anterior capsular fold that accommodates hip extension without capsular tightening. In hip flexion the recess becomes taut, and in extension the redundant fold is taken up. The anterior recess is bordered medially by the iliofemoral ligament and laterally by the pubofemoral ligament. It communicates with the iliopsoas bursa in approximately 10-15% of individuals.

Anatomical Data

Boundaries & Contents

LocationFront of the hip joint, along the anterior surface of the femoral neck beneath the iliopsoas
Boundaries
  • Anterior femoral neck (deep)
  • Anterior capsule and iliofemoral ligament (superficial)
  • Iliopsoas muscle and tendon (in front of the capsule)
  • Zona orbicularis (circular capsular fibres around the neck)
Contents
  • Synovial fluid
  • Synovial folds
Biomechanics

Function & Actions

Collects joint fluid in front of the femoral neck. It is the standard place to detect hip effusion on ultrasound and the usual target for guided hip aspiration and injection.

Clinical Relevance

Clinical Notes

The anterior hip capsule and its recess are the primary targets for hip joint aspiration and intra-articular injection using the anterior approach, performed under ultrasound guidance with the needle directed to the anterior femoral head-neck junction where the capsule is most accessible. Anterior hip capsule distension from effusion is visualised on ultrasound as anterior capsule bulging. Femoroacetabular impingement involves the anterior recess capsule, which becomes fibrotic and contributes to the reduced range of motion. Anterior hip arthroscopy portals access this recess for synovectomy and labral repair.

Pathology

Common Injuries & Conditions

Hip Effusion and Anterior Capsule Distension

Hip joint effusion from infection, trauma, inflammatory arthritis, or FAI produces anterior capsule bulging visible on ultrasound, diagnosed by aspiration for cell count and culture; the anterior recess is the preferred site for ultrasound-guided aspiration and cortisone injection.

Anterior Capsule Fibrosis in FAI

Chronic anterior hip impingement in cam or pincer FAI leads to anterior capsule scarring and loss of the anterior recess redundancy, reducing hip extension and internal rotation; arthroscopic capsulotomy releases the fibrotic anterior capsule to restore motion.

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