Collin Classification (Massive Rotator Cuff Tear)
Classifies a massive rotator cuff tear into Collin types A to E from which of five cuff components are torn.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Supraspinatus
- Yes
- Superior subscapularis
- No
- Inferior subscapularis
- No
- Infraspinatus
- Yes
- Teres minor
- Yes
Result: Collin type E: massive tear of the supraspinatus, infraspinatus and teres minor.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Supraspinatus
- Superior subscapularis
- Inferior subscapularis
- Infraspinatus
- Teres minor
How this is calculated
Citation
Collin P, Matsumura N, Ladermann A, Denard PJ, Walch G. Relationship between massive chronic rotator cuff tear pattern and loss of active shoulder range of motion. J Shoulder Elbow Surg. 2014;23(8):1195-1202. Read the sources: Collin 2014 ↗, Ladermann 2016 ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.