Table 3.

Definitions of landmarks

1	Inferiormost point on head–neck border at midline
2	Fovea capitis centre at midline (in Pongo, centre of femoral head)
3	Superiormost point of head
4	Head–neck border at neck midline
5	Neck midpoint between head and greater trochanter
6	Neck–greater trochanter border anterior to trochanteric fossa
7	Superiormost point of greater trochanter, above anterior border of trochanteric fossa
8	Lateralmost point on greater trochanter, between superior and inferior borders
9	Greater trochanter base at level of inferior edge of gluteus minimus attachment
10	Posterosuperior point of lesser trochanter
11	Superoinferior midpoint of intertrochanteric crest
12	Posterosuperior point on intertrochanteric crest
13	Posterior point on trochanteric fossa
14	Deepest point of trochanteric fossa