Sibling 1 | Sibling 2 | Controls (n=72) | |||
---|---|---|---|---|---|
Involved | Uninvolved | Involved | Uninvolved | Uninvolved | |
Knee abduction, degrees: | |||||
Initial contact | 1.5 | −3.4 | −0.8 | 1.8 | 0.7 (3.2) |
Peak | −4.3 | −11.3 | −7.7 | −2.1 | −4.6 (5.6) |
ROM | 5.8 | 7.9 | 6.9 | 3.9 | 5.3 |
Knee flexion, degrees: | |||||
Initial contact | −15.0 | −25.4 | −27.4 | −24.7 | −24.5 (6.1) |
Peak | −67.5 | −69.9 | −74.0 | −74.2 | −79.9 (10.2) |
ROM | 52.5 | 44.5 | 46.6 | 49.5 | 55.4 |
Control values (mean (SD)) were taken from 72 female soccer and basketball players from the same team as the sisters. Negative (−) values indicate knee abduction (valgus) and flexion angular knee motion. ROM, range of motion.