Hallux Valgus
A: Line drawn through the longitudinal axis of the first metatarsal
B: Line through the longitudinal axis of the first proximal phalanx
Normal < 15°
> 15° = hallux valgus
Metatarsus Primus Varus
A: Longitudinal axis of the first metatarsal
B: Longitudinal axis of the second metatarsal
Normal < 9°
> 9° = Metatarsus Primus Varus
