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Table 5 Pearson's correlation coefficients between all pair wise combinations of the kinematic variables

From: Kinematics of fast cervical rotations in persons with chronic neck pain: a cross-sectional and reliability study

  ROM NPA AD-ratio SID CM
Peak Speed .64** .00 .48** -.54** -.25**
ROM   -.32** .26** -.43** -.29**
NPA    -.20* .27** .00
AD-ratio     -.37** .08
SID      .01
  1. ROM: Range of movement; NPA: Normalized peak speed amplitude; A/D-ratio: Acceleration-deceleration ratio; SID: Speed index of deviation; CM: Conjunct movements. * p < 0.05, ** p < 0.01.