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Table 2 Clinical scoring system for assessing dogs with osteoarthritis

From: A randomized, double-blind, prospective, placebo-controlled study of the efficacy of a diet supplemented with curcuminoids extract, hydrolyzed collagen and green tea extract in owner’s dogs with osteoarthritis

Criterion Grade Clinical evaluation
Lameness 1 Walk normally
  2 Slightly lame when walking
  3 Moderately lame when walking
  4 Severely lame when walking
  5 Reluctant to rise and will not walk more than five paces
Pain at palpation 1 None
  2 Mild signs; dog turns head in recognition
  3 Moderate signs; dog pulls limb away
  4 Severe signs; dog vocalizes or becomes aggressive
  5 Dog will not allow palpation
Joint mobility 1 Full range of motion
  2 Mild limitation (10 20%) in range of motion; no crepitus
  3 Mild limitation (10 20%) in range of motion; crepitus
  4 Moderate limitation (20 50%) in range of motion; ± crepitus
  5 Severe limitation (>50%) in range of motion; ± crepitus