Table 1.

Currently Available Hip Range-of-Motion Data

Authors (Year)	Population	No.	Range of Motion (Mean ± SD), °
			Internal Rotation	External Rotation
Nyland et al13 (2004)	Female, active	18	43.3 ± 11	Not applicable
Sigward et al8 (2008)	Female, soccer	39	42.7 ± 9.9	38.9 ± 8.6
Chiaia et al14 (2009)	Female, soccer	26	32.5 ± 7.7	24.5 ± 6.3
Howard et al6 (2011)	Male and female, active	45	29 ± 11	35 ± 7
Tainaka et al15 (2014)	Male and female, active	123	50.2 ± 7.2a	56.3 ± 6.8a
Young et al16 (2014)	Female, tennis	125	38 ± 41	23 ± 24
Fan et al10 (2014)	Male, healthy	16	35.1 ± 4.7	41.9 ± 6.6
	Female, healthy	16	42.7 ± 10.3	41.1 ± 6.4
Moreno-Pérez et al19 (2015)	Male, tennis	81	30.0 ± 9.6	50.6 ± 8.0
	Female, tennis	28	35.6 ± 8.2	49.3 ± 6.8

^aMeasured supine.