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Table 5 Spearman correlation coefficient ( r ) and significance ( p ) between kinematic variables and EMG intensity during stretch reflex (N = 9 subjects)

From: Elbow spasticity during passive stretch-reflex: clinical evaluation using a wearable sensor system

Kinematic metrics Muscle EMG metrics
  Extension test Flexion test
 Discrete   Δ antE Δ agoE Δ antE Δ agoE
Δω r 0.683 0.000 0.583 0.217
p 0.021 0.500 0.050 0.288
Δα r 0.783 −0.100 0.333 0.033
  p 0.006 0.399 0.190 0.467
Density   ϵant E ϵago E ϵant E ϵago E
ϵω r 0.767 0.283 0.867 0.467
  p 0.008 0.230 0.001 0.103
ϵα r 0.667 0.233 0.800 0.367
  p 0.025 0.273 0.005 0.166
  1. Bold values significant at p ≤ .05.
  2. † antE = biceps-bracii EMG intensity; agoE = triceps-bracii EMG intensity.
  3. ‡ antE = triceps-bracii EMG intensity; agoE = biceps-bracii EMG intensity.