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Originally Posted by schatzie Hi. Due to Schatzie's recent surgery for Legges Perthes I also read up on Lux. Patella. It occurs when the patella,, or knceecap slips out of place. When the knee (patella) is out of position it usually can't return to its normal position until the quad muscle relaxes, which causes the leg to straighten at the knee. (bunny hop's for a bit until the patella pops back into place.
There are 4 grades, grade 1 being minor and grade 4 most severe with the patella always out of position and cannot be replaced manually. Also, the dog will never put weight on it and requires surgery.
Hereditary or enviornment (jumping) is the cause for Lux. Patella's.
Grade 1 = the dog may occasionaly skip, patella can be shifted back into place.
Grade 2 = the dog often holds the affected leg up when running or walking. When the leg is manipulated it has a grinding feeling. The patella usually slides back into position by itself.
Grade 3 = the patella is permanently out of position. Even when the patella is placed back into position it wont stay long.
Grade 4 = permanent patella out of position. The dog may look bowed in appearence and this could be in one or both legs. It is usually present by 4-6 months of age. Although symptoms may go unnoticed for years.
This is not all the info but I hope this helps in your understanding of it.
Also, affected dogs should not be breed. |
Thanks for all of the info. I was wondering if it hurts them. It doesn't appear to....?????