Tegner Activity Scale for ACL Injury and Knee Function

Rates a patient's activity level from 0 to 10: Level 0 (sick leave or disability pension due to knee), Level 5 (recreational sports), Level 6 (recreational football twice/week), up to Level 10 (national or international elite competitive sport). Used before and after ACL reconstruction.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Rates a patient's activity level from 0 to 10: Level 0 (sick leave or disability pension due to knee), Level 5 (recreational sports), Level 6 (recreational football twice/week), up to Level 10 (national or international elite competitive sport). Used before and after ACL reconstruction

Each component has a specific meaning:

  • 0 — The 0 recorded for the scenario being assessed.

Note: Interpret the tegner activity scale result against the thresholds and context described above.

How to Use

Enter the 0 for the scenario you are assessing. Rates a patient's activity level from 0 to 10: Level 0 (sick leave or disability pension due to knee), Level 5 (recreational sports), Level 6 (recreational football twice/week), up to Level 10 (national or international elite competitive sport). Used before and after ACL reconstruction. Use the tegner activity scale result to inform your calculation.

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Frequently Asked Questions