Marx Activity Rating Scale
Marx Activity Rating Scale - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the Marx Activity Rating Scale → Runs in your browser. No signup, no tracking.
What this is
Marx Activity Rating Scale is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Marx Activity Rating Scale - 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
Marx RG, Stump TJ, Jones EC, Wickiewicz TL, Warren RF. Development and evaluation of an activity rating scale for disorders of the knee. Am J Sports Med. 2001;29(2):213-218. Read the source ↗
Worked example: Marx activity rating 12 of 16 — higher = more knee demand.
Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.