Parameter	Score
Modified Lysholm limp (5 points)	None = 5. Slightly or periodically = 3. Severe or constant = 0.
Support (5 points)	None = 5. Limp = 2. Weight-bearing impossible = 0.
Locking (15 points)	No locking or crepitation sensation = 15. “Catching” sensation but no locking sensation = 10. Occasional locking = 6. Frequently = 2. Locked joint on examination = 0.
Instability (25 points)	Has never presented buckling = 25. Rarely during sports activities or other exertion = 20. Frequently during sports activities or other exertion = 15. Occasionally in daily living activities = 10. Frequently in daily living activities = 5. With every step = 0.
Pain (25 points)	None = 25. Inconstant and slight during severe exertion = 20. Marked during severe exertion = 15. Marked on or after walking 2 km or more = 10. Marked on or after walking less than 2 km = 5. Constant = 0.
Joint effusion/swelling (10 points)	None = 10. On severe exertion = 6. On slight exertion = 2. Constant = 0.
Stair climbing (10 points)	No problem = 10. Slightly impaired = 6. Step by step (one stair at a time) = 2. Impossible = 0.
Squatting (5 points)	No problem = 5. Slightly impaired = 4. Up to 90° = 2. Impossible = 0.
Total score is out of 100 (100 being the highest possible score):
Excellent: 91-100
Good: 84-90
Fair: 65-83
Poor: ≤64