WebFigure 2 Extensor carpi ulnaris (ECU) subsheath is on top of the tendon, and the dorsal retinaculum, without any attachment to the ulna, is on top of the ECU subsheath. These anatomical features play an important role in maintaining ECU stability in the osteofibrous groove and ensure that the tendon is closely bound to the ulnar head. WebApr 11, 2015 · The dorsal ECU subsheath has Sharpey fiber connections to the ulnar head at the fovea. 2 The ulnar fibers of the ECU subsheath make up the ulnar-sided wall. The ulnotriquetral and ulnolunate ligaments along the volar wall of the TFCC have been shown to extend distally from the volar margin of the triangular fibrocartilage and the volar …

Extensor carpi ulnaris subluxation Radiology Case Radiopaedia.org

Subluxation or dislocation of the ECU tendon requires an injury to the ECU subsheath. Although repetitive stress likely precedes injuries to the ECU subsheath, most patients who experience subluxation or dislocation of the ECU recall a traumatic event, typically occurring during supination, ulnar deviation, and … See more Severe extensor carpi ulnaris (ECU) tenosynovitis with partial tearing and mild palmar subluxation of the tendon. The ECU subsheath is diffusely torn and irregular. See more Ulnar sided wrist pain is a common clinical complaint and indication for MR imaging.” MR is able to detect and diagnose numerous ulnar sided abnormalities that may account for patient symptoms.” A not uncommon site of … See more Tenosynovitis and tendinosis of the ECU are not uncommon, with these abnormalities being a frequent early finding in patients with rheumatoid arthritis.2 In athletes, … See more The ECU originates as two heads which attach to the lateral epicondyle and the middle third of the posterior ulna. It has a single distal insertion upon the posterior aspect of the base of the fifth metacarpal. The ECU functions to … See more WebNov 22, 2012 · The extensor carpi ulnaris tendon was found to be dislocating during supination and relocating during pronation. The sheath was reconstructed using extensor retinaculum due to attenuation of subsheath. Conclusion. There was no recurrent dislocation of the extensor carpi ulnaris tendon of the patient at his last follow up 12 … chrome ショートカット 削除

《運動傷害小教室》手腕扭到好痛：三角纖維軟骨複合體損傷 …

WebDec 28, 2024 · Reproduction of dorsal-ulnar wrist pain is considered positive for ECU tendinopathy although the test may also be positive for triangular fibrocartilage complex or lunotriquetral pathology 1. Pathology Numerous pathologies can affect the ECU tendon 2: tenosynovitis causes by repetitive wrist flexion/extension, especially in supination WebECU subsheath is part of the TFCC that is most critical to ECU stability ECU lies dorsal during supination and translates ulnar during pronation in pronation, the ECU tendon … WebIntroduction Operative techniques to treat symptomatic extensor carpi ulnaris (ECU) tendon subluxation include direct repair of the subsheath, reattachment of the subsheath using … chrome ショートカット url 設定