[ SHOWGSD-L ] "Prosternum" not Posternum
- From: acara1997@xxxxxxx
- To: Showgsd-l@xxxxxxxxxxxxx
- Date: Sun, 21 Feb 2010 16:51:19 +0000
Mike,
Unfortunately, this is a commonly made mistake with the spelling and
pronunciation of this term. It is the "Prosternum", not the Posternum...
The prosternum is simply the extension of the sternum or the breast bone.
Together with the ribbing, they provide sufficient room for heart, lungs and
muscle attachment. Specifically, a correctly proportioned and placed
prosternum provides for good muscle attachment, which plays a key role in the
movement of fore assembly.
With the prosternum ahead of the shoulder, the muscles act in a forward
direction thus pulling the upper arm to the open position.
Too much prosternum, typically found in conjunction with a breast that is too
wide or over-built, will cause the ulnas to bend outward, making it difficult
to function properly much less, single track.
Too little prosternum typically found with a narrow and under developed chest,
result in the ulnas drawing inward, and the legs drawing out to the French
position. Not to mention, insufficient room for the lungs and correct muscle
attachment and usage.
Therefore, no need to check with the hands as it will be visually apparent.
With best regards,
Randy Darnell
Acara GSD...
Msg: #3 in digest
Date: Sat, 20 Feb 2010 21:51:42 +0000 (UTC)
From: Lindenhill German Shepherds <lindenhillgsd@xxxxxxxxxxx>
Subject: To Posternum or not to Posternum
Ok all of you experts out there, how many of your dogs have a posternum
extending beyond the shoulders?
Of those, how many are 1-2 inches?
How many of you judges actually check this with your hands?
And lastly what does it all mean?
regards
M
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