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Updated: May 24, 2026
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Rat Model of Adhesive Capsulitis of the Shoulder
Published on: September 28, 2018
The rat as a model for biologic rotator cuff treatment interventions
William H Fang1, Yesenia Valle Ramirez2, Grace Kim3
1Department of Orthopaedic Surgery, Valley Hospital Medical Center, Las Vegas, NV, USA.
Journal of Orthopaedic Surgery (Hong Kong)
|May 23, 2026
Summary
The Sprague-Dawley rat model is valuable for studying rotator cuff healing. Research shows timely surgical repair and reduced post-surgical activity improve healing outcomes for supraspinatus tendon injuries.
Area of Science:
- Orthopedics
- Regenerative Medicine
- Biomedical Engineering
Background:
- The rotator cuff is frequently studied using the rat model.
- Sprague-Dawley rats are a consistently utilized animal model in this research.
Purpose of the Study:
- To review and categorize existing studies on the rat rotator cuff model.
- To analyze the effects of interventions on intact tendons, surgical healing, and combined impacts on biological healing response.
Main Methods:
- Systematic review and categorization of published studies on rat rotator cuff models.
- Analysis of findings related to external interventions, surgical conditions, and combined effects.
Main Results:
- Intrinsic and extrinsic factors influence supraspinatus tendon changes.
- Suboptimal tendon-bone healing is common, indicating a need for improved surgical techniques.
- Timely repair of acute tears and reduced post-surgical activity enhance healing.
Conclusions:
- The Sprague-Dawley rat model is effective for investigating rotator cuff healing mechanisms.
- Optimizing surgical repair and post-operative care are crucial for successful rotator cuff healing.
- Further research using this model will enhance understanding of complex rotator cuff biology.
