Hattrup-Johnson Grade (Hallux Rigidus)
Hattrup-Johnson Grade (Hallux Rigidus) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
Hattrup-Johnson Grade (Hallux Rigidus) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Hattrup-Johnson Grade (Hallux Rigidus) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Hattrup SJ, Johnson KA. Subjective results of hallux rigidus following treatment with cheilectomy. Clin Orthop Relat Res. 1988;(226):182-191. Read the source ↗
Worked example: Hattrup-Johnson grade II: moderate hallux rigidus with dorsal, medial, and lateral osteophytes and joint-space narrowing.
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