From: Comparison of properties determined using electromechanical assessment (Arthro-BST™) with macroscopic and histological properties in symptomatic human articular cartilage of the hip
Grade
Property
1
Superficial lesions, fissures and cracks, soft indentation
2
Defects that extend to less than 50% in depth
3
Defects that extend to more than 50% in depth
4
Complete loss of cartilage thickness, bone only