Table 3.

Symptoms of arthritic knee; lameness and pain scores^#.

Lameness	Pain	Functional disability
1 (normal)	1 (no pain)	1 (normal)
2 (intermittent)	2 (mild pain)	2 (slightly stiff)
3 (persistent)	3 (severe pain)	3 (stiff)
4 (non-weight bearing)	4 (severe pain)	4 (very stiff, unwilling to walk)
5 (ambulatory only with assistance)	5 (severe pain)	5 (need assistance to walk)

^#Adapted from Black et al. [6].