Knee HSS score
I. Pain (30 points)
HSS score: left side ( ), right side ( )
No pain at any time30
No pain during walking15
No pain at rest15
Mild pain during walking10
Mild pain at rest10
Moderate pain during walking5
Moderate pain at rest5
Severe pain during walking0
Severe pain at rest0
Second, function (22 points)
Walking and standing without restriction22 Walking 2500 to 5000 meters and standing for more than half an hour10
Walking in the house without support 5
Walking 500～2500m and standing up to half an hour8
Walking in the house, needing a support 2
Walk less than 500 meters4
Able to walk up stairs5
Cannot walk 0
Able to go up stairs, but need support 2
III. Mobility (18 points)
8 degrees = 1 point, maximum 18 points
IV. Muscle strength (10 points)
Excellent: completely able to fight against resistance 10
Moderate: able to drive joint movement 4
Good: partially against resistance 8
Poor: can not drive the joint activity 0
V. Flexion deformity (10 points)
Six, stability (10 points)
No deformity 10
Normal 10 Less than 5 degrees 8
Mild instability 0 ~ 5 degrees 85 ~ 10 degrees 5
Moderate instability 5 to 15 degrees 5 greater than 10 degrees 0
Severe instability greater than 15 degrees 0
VII. Minus points items
One-handed cane – 1
Extension lag 5 degrees-2
Every 5 degrees of valgus-1
Single cane – 2
Extension lag of 10 degrees-3
Inversion every 5 degrees-1
Double crutches-3
Extension lag of 15 degrees – 5