Fig. 1

Macroscopic observation of cartilage specimens after immobilization. a-c Experimental knees; d-f Contralateral knees; g Control knee. White arrows: roughness of the cartilage surface. Black arrows: cartilage defect
Macroscopic observation of cartilage specimens after immobilization. a-c Experimental knees; d-f Contralateral knees; g Control knee. White arrows: roughness of the cartilage surface. Black arrows: cartilage defect