Figure 1
From: Pharyngeal diameter in various head and neck positions during exercise in sport horses

Ground angle. Horse during suspension phase, showing the GA defined as the angle between the ridge of the nose and a horizontal plane in the image.
From: Pharyngeal diameter in various head and neck positions during exercise in sport horses
Ground angle. Horse during suspension phase, showing the GA defined as the angle between the ridge of the nose and a horizontal plane in the image.