Table 1.

Normative values for hip range of motion according to standards published by the American Academy of Orthopaedic Surgeons^a

Motion	Value, deg, Mean ± SDb
Flexion	128.4 ± 6.7
Extension	17.0 ± 3.9
Abduction	33.0 ± 4.8
Adduction	13.8 ± 6.3
Internal rotation	42.1 ± 9.6
External rotation	43.9 ± 8.4

^aSupine position is used for flexion, abduction, adduction, internal rotation, and external rotation. Prone position is used for extension.

^bAs variation from the neutral, midline position.