This dog is over angulated. Notice how the vertical line in front of the paw is way behind the point of the pelvis, which is easily seen in this picture.
These are photos of three German Shephards. They are a nice illustration of what "trends" can do for a breed. These dogs are all show Champions.
The top photo is a CH from the 1950's. The middle one is a CH from the 70's and the lower a CH from the 90's.
This is a nice illustration of what the "if a little is good, more is better" syndrome.
The gross angulation of these dogs is due to breeding of dogs that have the famous "flying trot" of the GSD.
Beware of what you breed for. More is not always better, whether it be higher tails or more furnishings, more range, more run..more more more. It all has an effect on conformation and you better be prepared for the results, good or bad.
This dog has correct rear angulation.
She is turned just a bit in the picture, but you can see the front of the rear foot is below the point of the "butt bone" which is the back of the pelvis.
It is important that a dog be evaluated when the metatarsals (the part of the leg between the hock and paw) are exactly vertical. So I have tried to find pictures of dogs standing correctly.
This is a poor photo but is the best I could find of a GSP. Notice the vertical line is in front of the back point of the pelvis. This dog's metatarsals are actually not perfectly vertical. If they were, the yellow line would be even further forward.
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