Assertion: stirrup's leg | /r/AtLocation | the most rearward position
Facets:
Source sentences:
text: Interference with the horse's shoulder blades as it extends the forelegs, folds the legs over fences, or when the leading leg in canter or gallop is in the most rearward position (the top of the shoulder blade can move a full one and a half inches backwards from the standing position during canter and gallop).