Snyder SLAP Lesion Classification

Classifies a SLAP lesion of the shoulder into Snyder types I to IV from two arthroscopic findings: the state of the superior labrum and whether the biceps tendon is involved.

Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.

Example

Superior labrum
Bucket-handle tear of the superior labrum
Biceps tendon
Tear extends into the biceps tendon root

Result: Snyder type IV SLAP lesion: a displaced bucket-handle labral tear that extends into the biceps tendon root.

The tool opens with these values already filled in. Replace them with your own.

What you enter

  • Superior labrum
  • Biceps tendon
How this is calculated

Citation

Snyder SJ, Karzel RP, Del Pizzo W, Ferkel RD, Friedman MJ. SLAP lesions of the shoulder. Arthroscopy. 1990;6(4):274-279. Type definitions and reliability: Hahn AK et al. Orthop J Sports Med. 2023;11(11):23259671231204851. Read the sources: Snyder 1990 ↗, Hahn 2023 ↗

A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.

Browse all tools

Built by Clay Good. Source on GitHub.