What orthopedic issue common in small dogs results in sporadic limping or a 'bunny-hopping' gait?

Answer

Luxating patella.

Luxating patella—where the kneecap slips out of its groove—is a common inheritance that can result in sporadic limping or the characteristic 'bunny-hopping' gait when running.

What orthopedic issue common in small dogs results in sporadic limping or a 'bunny-hopping' gait?
problemDogcarebreedYorkipoo