Pain subsides with rest from such activities
Pain is typically worse with movements of the wrist than movements of the thumb Pain worsens with activities that involve repetitive forceful wrist flexion and extension Pain is proximal to the wrist, within 4-8cm to Lister’s tubercle of the radius Patient will often present with gradual development and worsening of pain in the distal radial forearm. Extensor Carpi Ulnaris (ECU)įigure 2 – Anatomy of Intersection Syndromeįigure 3 – Surface Anatomy of Intersection Syndromeįigure 4 – Illustration of Intersection area of pain Extensor Carpi Radialis Longus and Brevis (ECRL & ECRB) 3. Abductor Pollicis Longus (APL) and Extensor Pollicis Brevis (EPB) 2. Prolonged activities that involve repetitive wrist extension and flexion increases the risk of this injury.įigure 1 – Extensor Compartments of Wrist Often found in rowers, weight lifters, and skiers.
This condition is easily confused with and misdiagnosed with de Quervain’s tenosynovitis! Intersection syndrome is a chronic, overuse injury in the distal radial forearm where the tendons of the 1 st extensor compartment and the 2 nd extensor compartment cross over, resulting in bursitis or tenosynovitis of either or both tendon sheaths. Intersection Syndrome (Also known as crossover syndrome Oarsman’s wrist)
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