A 34-year-old woman who underwent release of her first dorsa...

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A 23-year-old national team rower reports pain over the radial dorsum of the forearm that is made worse with flexion and extension of the wrist during competition. His primary physician initially diagnosed de Quervain's tenosynovitis, and a subsequent corticosteroid injection into the first dorsal compartment at the wrist provided no relief. The patient continues to report pain and audible crepitus that is noted 5 cm proximal to the wrist joint, on the radial aspect. What structures are involved in the continued pathology?

A collegiate rower complains of dorsal wrist pain for 6 weeks refractory to NSAIDs and bracing. Maximal tenderness is palpated on the dorsoradial forearm approximately 5 cm proximal to the wrist. Pain is exacerbated with resisted wrist extension. Radiographs are unremarkable. A steroid injection should be directed into the compartment containing which of the following structures?

A 27-year-old female presents to your office with pain in her left wrist, which has worsened since the birth of her child. She notes the pain is located over the radial aspect of the wrist and is sharp in nature; the Finkelstein test is positive. You prescribe a brace and give her a corticosteroid injection, without significant improvement. Therefore, surgical intervention is recommended. What is the most likely reason for persistent pain after the indicated procedure?

A 27-year-old female presents to your office with pain in her left wrist, which has worsened since the birth of her child. She notes the pain is located over the radial aspect of the wrist and is sharp in nature; the Finkelstein test is positive. You prescribe a brace and give her a corticosteroid injection, without significant improvement. Therefore, surgical intervention is recommended. What is the most likely reason for persistent pain after the indicated procedure?

A 23-year-old professional rower presents with pain over the radial wrist when pronating and supinating his forearm. He denies any recent history of trauma and reports that the pain has been worsening over the past few months. On physical examination, there is crepitus over the distal forearm with wrist and thumb extension. Which of the following matches the correct extensor tendon compartment with the structures most likely affected in this pathology?