Arthroscopy-Assisted Combined Lower Trapezius Tendon Transfer and Superior Capsule Reconstruction Using Single Allogenic Achilles Tendon for Massive Irreparable Posterosuperior Rotator Cuff Tears.

Hwang, Jung-Taek; Yang, Hong Seuk; Seo, Su-Jung · Arthrosc Tech · 2026

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Abstract

Massive irreparable posterosuperior rotator cuff tears in relatively younger, active patients pose a significant clinical challenge. Superior capsular reconstruction (SCR) restores superior stability as a static stabilizer, whereas lower trapezius tendon transfer reestablishes external rotation and transverse plane balance as a dynamic stabilizer. We describe a simplified arthroscopy-assisted technique combining lower trapezius tendon transfer and superior capsular reconstruction using a single allogenic Achilles tendon graft to achieve simultaneous restoration of static and dynamic stabilizers, and external rotation strength of the shoulder.