Exact(2)
Fig. 1 Timing of RH and LH placement during CatWalk runs with a graphical depiction of stance parameters.
Timing of RH and LH placement during CatWalk runs with a graphical depiction of the stance parameters are shown in Fig. 1.
Similar(58)
Based on inspection of the correlation matrix and KMO statistics for individual variables, seven variables were removed including cadence, all stance time parameters, percentage double support, and single support time.
Stance and stride parameters were calculated from four paw centroid trajectories (≥10 strides per run) for each animal.
The RH/LH ratios of the dynamic parameters (stance phase duration, swing phase duration and speed, and duty cycle) were significantly changed at 48 h after CFA inoculation i.e. stance phase duration, swing speed, and duty cycle decreased, whereas swing phase duration increased (p < 0.01; Figure 5).
Gait analysis measures focus on key sagittal plane parameters during stance.
This parameter, the stance linearity index, is calculated by computing the average difference between an actual stance trace and a smoothed version of the trace.
Knee flexion range during stance was a useful parameter to discriminate between knee OA patients and age-matched controls with high sensitivity (0.783) and specificity (0.914), and was a much better predictor than knee flexion during swing [ 21].
To detect the temporal gait parameters, such as stance time and swing time, contact-based footswitches can be used.
In addition, some parameters, such as stance linearity and footprint alignment, show striking differences in flies walking slower and faster than these speeds.
This is the first study where changes in dynamic parameters such as stance phase duration, swing phase duration, duty cycle and swing speed quantified by the CatWalk system have been reported in a mouse model of arthritis.
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