From: Objective classification of different head and neck positions and their influence on the radiographic pharyngeal diameter in sport horses
Head and neck position
Pharyngeal diameter [mm]
Ground angle at rest [°]
Withers angle at rest [°]
Flexed
28.47 ± 9.6
89.8 ± 6.11
90.3 ± 4.99
Neutral
51.26 ± 8.88
72.31 ± 6.73
109.54 ± 6.19
Extended
57.57 ± 8.92
50.87 ± 7.33
127.98 ± 9.38