Skip to main content

Advertisement

Table 5 Electromyography (sEMG) gait variables

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

  Preactivation Acceptance Middle stance Late stance Swing phase
  Group mean P-value Group mean P-value Group mean P-value Group mean P-value Group mean P-value
Gluteus medius (S) 0.41 ± 0.23 0.312 0.58 ± 0.19 0.115 0.24 ± 0.11 0.818 0.16 ± 0.11 0.198 0.26 ± 0.14 0.262
Gluteus medius (H) 0.34 ± 0.12 0.68 ± 0.07 0.25 ± 0.10 0.11 ± 0.05 0.20 ± 0.09
Gluteus maximus (S) 0.46 ± 0.18 0.593 0.62 ± 0.22 0.473 0.37 ± 0.17 0.288 0.34 ± 0.19 0.502 0.37 ± 0.13 0.433
Gluteus maximus (H) 0.49 ± 0.11 0.66 ± 0.12 0.32 ± 0.13 0.30 ± 0.12 0.33 ± 0.10
Rectus femoris (S) 0.40 ± 0.17 0.092 0.64 ± 0.18 0.884 0.20 ± 0.07 0.819 0.20 ± 0.06 0.309 0.22 ± 0.05 0.204
Rectus femoris (H) 0.51 ± 0.19 0.65 ± 0.10 0.21 ± 0.06 0.25 ± 0.11 0.25 ± 0.08
Biceps femoris (S) 0.51 ± 0.23 0.338 0.38 ± 0.18 0.494 0.20 ± 0.10 0.247 0.14 ± 0.13 0.209 0.33 ± 0.09 0.274
Biceps femoris (H) 0.59 ± 0.21 0.44 ± 0.16 0.15 ± 0.07 0.10 ± 0.04 0.30 ± 0.10
Tensor Fascia latae (S) 0.32 ± 0.16 0.757 0.61 ± 0.15 0.154 0.34 ± 0.17 0.820 0.23 ± 0.16 0.674 0.33 ± 0.16 0.238
Tensor Fascia latae (H) 0.34 ± 0.12   0.68 ± 0.72   0.35 ± 0.12   0.21 ± 0.09   0.26 ± 0.09  
  1. The sEMG data are presented as mean ± one standard deviation (SD) in 13 subjects with external snapping hip (S) and 13 healthy subjects (H) in the following time periods: preactivation (50 ms before heel strike), acceptance (load acceptance and initial single support), middle stance (knee extension and late single support), late stance (opposite foot contact) and swing phase (ipsilateral swing). The sEMG signals are normalized in amplitude to the maximum sEMG signal during gait and expressed as percent-maximum amplitudes.