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Related Experiment Video

Updated: Feb 12, 2026

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Ultrasound-guided coracohumeral ligament release.

K Yukata1, T Goto2, T Sakai2

  • 1Department of Orthopedics, Tokushima University Hospital, 3-18-15 Kuramoto, 770-8503 Tokushima, Japan; Department of Orthopedic Surgery, Hamawaki Orthopaedic Hospital, 4-6-6 Otemachi Naka-ku, 730-0051 Hiroshima, Japan; Department of Orthopedic Surgery, Ogori Daiichi General Hospital, 862-3 Ogori-Shimogo, 754-0002 Yamaguchi, Japan.

Orthopaedics & Traumatology, Surgery & Research : OTSR
|March 24, 2018
PubMed
Summary

Ultrasound-guided release of the thickened coracohumeral ligament effectively improved shoulder external rotation in patients with adhesive capsulitis. This minimally invasive surgery offers a reliable solution for persistent limited motion.

Keywords:
Adhesive capsulitisCoracohumeral ligamentFrozen shoulderReleaseUltrasound

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Area of Science:

  • Orthopedic Surgery
  • Musculoskeletal Imaging
  • Sports Medicine

Background:

  • Adhesive capsulitis (AC) frequently leads to long-term shoulder motion limitations, affecting approximately 50% of patients.
  • Limited external and internal shoulder rotation are common persistent issues in AC patients.

Purpose of the Study:

  • To describe the surgical technique for ultrasound-guided release of the thickened coracohumeral (CH) ligament in AC patients.
  • To evaluate the short-term clinical outcomes of this minimally invasive procedure.

Main Methods:

  • Ultrasound-guided release of the thickened CH ligament was performed in 9 shoulders across 8 patients with AC.
  • Clinical outcomes, including passive external rotation, VAS, and ASES scores, were assessed preoperatively and at 3- and 6-month follow-ups.

Main Results:

  • Passive external rotation significantly increased from 18° preoperatively to 47° immediately post-procedure.
  • VAS and ASES scores improved at 3 months and were maintained in most patients at 6 months.
  • No adverse events related to the surgery were reported during the 6-month follow-up period.

Conclusions:

  • Ultrasound-guided CH ligament release is a safe and effective minimally invasive surgical option for persistent limited external rotation in adhesive capsulitis.
  • This technique provides reliable improvement in shoulder range of motion and functional scores.