1Ph.D. Student in Surgery, Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
2Department of Clinical Sciences, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
Rupture of the peroneous tertius was diagnosed in a 7-year-old stallion, based on clinical examinations. The stifle joint flexed as the limb was advanced forward without flexing the hock. When the limb was pulled backward, the hock joint extended but the stifle was in the normal position. The recommended treatment included complete stall rest for 6 weeks followed by limited exercise for 2 months. The animal, ultimately, returned back to its normal exercise.