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Table 3 Kinematic gait variables

From: The gait pattern is not impaired in subjects with external snapping hip: a comparative cross-sectional study

  SESH n = 13 Controls n = 13 Difference (95% CI) P-value
Hip adduction angle1 4.5 ± 2.8 4.0 ± 2.8 −0.1 (−2.6, 1.6) 0.600
Hip abduction angle2 −2.7 ± 3.0 −3.0 ± 2.3 −0.2 (−2.5, 2.0) 0.821
Hip flexion angle 1 30.0 ± 5.8 31.8 ± 4.5 1.7 (−3.6, 7.0) 0.490
Hip extension angle3 −13.5 ± 6.8 −13.1 ± 6.9 0.4 (−5.1, 5.8) 0.892
Hip intern rotation angle4 9.4 ± 6.7 8.4 ± 8.2 −0.9 (−7.9, 6.1) 0.777
Hip extern rotation angle5 0.5 ± 6.9 0.2 ± 5.7 −0.3 (−7.1, 6.6) 0.937
Hip extern rotation angle6 1.7 ± 8.4 3.1 ± 6.4 1.4 (−5.9, 8.8) 0.684
Knee flexion angle7 14.8 ± 4.6 14.0 ± 4.8 −0.8 (−5.6, 3.9) 0.708
Knee rotation (ROM)8 12.0 ± 4.1 12.7 ± 4.1 0.7 (−3.5, 4.8) 0.731
Static knee valgus9 3.0 ± 2.6 3.7 ± 1.5 0.7 (−1.0, 2.4) 0.410
Dynamic knee valgus (ROM)8 6.4 ± 3.7 5.8 ± 3.2 −0.6 (−3.7, 2.5) 0.667
Dynamic knee valgus2 2.9 ± 3.0 3.6 ± 1.7 0.7 (−0.8, 2.3) 0.447
Plantar flexion angle1 12.8 ± 1.7 12.5 ± 2.8 −0.3 (−2.0, 1.4) 0.695
Dorsal flexion angle5 −5.8 ± 1.8 −6.2 ± 2.5 −0.4 (−2.1, 1.2) 0.568
Dorsal flexion angle6 −14.9 ± 5.8 −17.4 ± 3.9 −2.6 (−6.1, 1.0) 0.138
Foot progression external rotation5 −11.1 ± 9.3 −11.5 ± 4.4 −0.4 (−6.1, 5.3) 0.884
Pelvis lateral tilt1 5.6 ± 1.6 5.7 ± 2.4 0.2 (−1.4, 1.8) 0.834
Pelvis medial tilt1 −5.7 ± 2.2 −5.1 ± 2.0 0.7 (−1.0, 2.3) 0.414
Pelvis anterior tilt1 10.5 ± 4.5 11.7 ± 4.7 1.2 (2.9, 5.3) 0.529
Pelvis posterior tilt1 (+)7.7 ± 4.4 (+)9.5 ± 4.8 1.8 (−2.1, 5.8) 0.336
Pelvis internal rotation1 5.9 ± 2.5 4.9 ± 2.0 −1.1 (−3.1, 1.0) 0.280
Pelvis external rotation1 −4.1 ± 3.1 −2.9 ± 2.9 1.1 (−1.2, 3.4) 0.316
  1. Kinematic data are presented in degrees as mean ± one standard deviation (SD). The difference between the patients with external snapping hip (SESH) and healthy subjects (controls) are reported as 95% CI (95% confidence interval).
  2. 1: Maximum during stance; 2: Touch down (0% stance); 3: Minimum during stance; 4: Maximum in 50% stance; 5: Minimum during 0-10% stance; 6: Minimum during 50-100% stance; 7: Maximum in 50% stance; 8: ROM (Range Of Motion) = Difference between maximum and minimum during stance; 9: Maximum in a static standing position (+) Positive: no posterior tilt occurs from the neutral position.