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Related Experiment Video

Updated: May 29, 2026

Arthroscopic Management of Massive Irreparable Rotator Cuff Tears: Whole Rotator Cable Reconstruction Using Proximal Biceps Tendon Autograft

Arthroscopic Management of Massive Irreparable Rotator Cuff Tears: Whole Rotator Cable Reconstruction Using Proximal Biceps Tendon Autograft

Published on: June 6, 2025

Changes in tendon length with increasing rotator cuff tear size.

Kyung Cheon Kim¹, Hyun Dae Shin, Bo Kun Kim

¹Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon 301-040, South Korea. kckim@cnu.ac.kr

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA

|September 20, 2011

Summary

Rotator cuff tendon length shortens as tear size increases. This study found a significant decrease in tendon length with larger tears, particularly in the medial-to-lateral dimension, impacting surgical repair.

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Area of Science:

Orthopedic Surgery
Musculoskeletal Research
Biomedical Engineering

Background:

Rotator cuff tears are common injuries affecting shoulder function.
Arthroscopic rotator cuff repair aims to restore tendon integrity and shoulder biomechanics.
Understanding the relationship between tear size and tendon dimensions is crucial for successful surgical outcomes.

Purpose of the Study:

To investigate the correlation between rotator cuff tear dimensions and tendon length after arthroscopic repair.
To determine how increasing tear size affects tendon length in patients undergoing rotator cuff surgery.

Main Methods:

Prospective evaluation of 100 patients with U-shaped or crescent-shaped full-thickness rotator cuff tears.
Measurement of tear dimensions (anterior-to-posterior and medial-to-lateral) using arthroscopy and MRI.
Estimation of tendon length from the distal end to the musculotendinous junction post-repair.

Main Results:

Average tendon length was 17.0 mm in patients with full-thickness tears.
Tendon length significantly decreased with increasing tear size in both anterior-to-posterior (r = -0.328, P = 0.001) and medial-to-lateral dimensions (r = -0.681, P < 0.001).
Significant differences in tendon length were observed among groups categorized by tear dimensions (P = 0.008 and P < 0.001).

Conclusions:

Rotator cuff tendon length diminishes with larger tear sizes, especially in the medial-to-lateral dimension.
Surgical techniques that involve excessive medial suturing for complete footprint coverage may lead to increased tension and medial cuff tears.
Accurate assessment of tear dimensions is vital for optimizing rotator cuff repair outcomes and preventing iatrogenic injuries.