Table 1

Characteristics of participants

Long distance runners (n=28)Soccer players (n=31)Weight lifters (n=29)Shooters (n=29)
*Long distance runners, n = 25; soccer players, n = 25; weight lifters, n = 20 (19 cases documented by magnetic resonance imaging and one hip prosthesis); shooters, n = 25.
Age (years)
Mean (SD)59.7 (4.7)56.5 (5.7)59.3 (5.3)61.0 (4.3)
Range51–6745–6746–6650–68
Height (cm)
Mean (SD)173.0 (4.8)176.9 (5.4)167.0 (6.6)175.2 (6.6)
Range162.0–183.0165.0–187.0154.0–183.0164.0–188.0
Weight (kg)
Mean (SD)75.7 (9.7)84.2 (12.1)80.7 (13.8)81.9 (8.4)
Range60.0–108.068.0–123.057.0–111.071.0–99.0
Body mass index (kg/m2)
Mean (SD)25.3 (2.8)26.9 (3.4)28.8 (3.6)26.7 (2.5)
Range20.9–34.922.0–38.822.5–38.422.9–30.8
Hip osteoarthritis*
No (%)3 (12)3 (12)4 (20)6 (24)
Hip pain
No (%)6 (21)4 (13)2 (7)5 (17)
Hip disability
No (%)2 (7)1 (3)1 (3)1 (3)
Lifetime endurance training (hours)
Median8980153015202480
Range1300–187520–99360–84830–8536
Lifetime team sport training (hours)
Median082401150140
Range0–30723864–185140–48880–5500
Lifetime power training (hours)
Median0094600
Range0–12800–1600284–167520–1092
Years in heavy work
Mean (SD)12.3 (15.4)1.7 (7.2)9.7 (12.6)3.2 (8.3)
Range0.0–47.00.0–40.00.0–43.00.0–38.0
Hypermobility index
Mean (SD)0.7 (0.9)1.0 (1.3)0.8 (0.8)0.9 (1.2)
Range0.0–5.00.0–5.00.0–2.00.0–4.0
Straight leg raising
Mean (SD)85.5 (14.0)84.7 (10.5)88.7 (10.3)80.4 (9.6)
Range63.5–119.060.0–110.071.0–114.056.0–92.5