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Table 1 Comparison of MTS (spasticity) assessments using IMU

From: A novel sensor-based assessment of lower limb spasticity in children with cerebral palsy

  Existing studies Magnetometer Calibration Clonus Regular PSV Accuracy Reliability Target
MTS assessment using IMU [21] X X X X O unknown Knee joint
(CP n = 20)
[23] X X X X O Elbow joint
(stroke n = 13)
[3] O X X X X unknown Ankle joint
(CP n = 4)
Spasticity assessment using IMU [22] X X X X O Knee joint
(stroke n = 11)
[12] O X X X X O Knee / ankle joints
(CP n = 28)
Proposed system iMTS O O O O O O Knee / ankle joints
(CP n = 28)
  1. The symbol in the Magnetometer column indicates whether it requires a magnetometer (X) or not (O); the symbol for Calibration indicates whether it requires calibration (X) or not (O); the symbol for Clonus indicates whether it considers clonus (X) or not (O); the symbol for Regular PSV indicate if it is achieved (O), incompletely achieved (), and not considered (X); the symbol for Accuracy indicates whether the root mean square error of the joint angle is less than 4 deg. (X) or not (O); and the symbol for Reliability denotes whether both test-retest and inter-rater reliabilities are consistent (ICC > 0.8) (X) or not (O)