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Table 4 Motor pattern parameters for the measures from a healthy infant

From: Infant trunk posture and arm movement assessment using pressure mattress, inertial and magnetic measurement units (IMUs)

Root mean square acceleration [ m/s2]

2.9

Root mean square jerk [ m/s3]

39.9

Normalized mean absolute jerk [ m/s3]

20.5

SAL mean (standard deviation)

-3.3 (1.0)

Normalized workspace surface area [%]

40.1

Normalized workspace volume [%]

53.0

Travelled path P [cm]

2397

Average speed S [ c m/s]

8.3