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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