Figure 2
From: Pharyngeal diameter in various head and neck positions during exercise in sport horses
![Figure 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1746-6148-10-117/MediaObjects/12917_2013_Article_931_Fig2_HTML.jpg)
Withers angle. Horse during suspension phase, showing the WA defined as the angle between the ridge of the nose and the line connecting the neck and the withers.