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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

â–³

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

â–³

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)