Fig. 5 Fig. 6 Fig. 7
Underrun heels area often considered to be “low” or as “having no heel”. Here the heel is underrun but so long that it is causing an incorrect, broken-forward hoof pastern axis (Fig. 6). After trimming, the heel, while still somewhat forward, is shorter and the hoof pastern axis is much improved (Fig. 7).
Original photo courtesy of Julie Leitl, Victoria, Australia
Behold! A healthy heel that is diverging away from the angle of the toe wall as it grows down from the coronary band. The angle of the toe wall with the ground, 49.4 deg, is more acute than the angle the heel wall makes with the ground, 59.6 deg., thereby diverging correctly.
For more discussion of underrun heels and healthy hoof form, visit http://www.equineoz.com.au/art20.htm