Morphological limbs defects are the most frequent in horses. The aim of this study was to establish prevalence, associated effects and genetic parameters hock knee Pura Raza Española horses, using two different approaches. In Approach_1, analysed were closed, open, convergent divergent studied buck, calf, bench knock. Defects classified into 3 levels: 0 no defect, 1 slight defect 2 serious defe...