The 5% angle is an average number, not a "gold standard". It gives you an idea of what is generally found. Using specific, preset angles, toe lengths, heel heights without taking into account what is actually happening with the individual you are assessing is one of the ways people get into trouble with trims, esp. on feet that aren't healthy.
As Dr. Kellon said, it is the actual correct alignment of the bony column that tells you what is right for that particular individual
Lavinia and George Too
Nappi, George and Dante Over the Bridge
Jan 05, RI
ECIR Support Team