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Table 5 Mean (standard deviation) of the error of the tilt angle (Īø) and the anterior-posterior angular range (Ī”ĪøAP) compared to the reference system (Ref.) in degrees

From: Postural transitions detection and characterization in healthy and patient populations using a single waist sensor

Location

L5

ASIS

RH

TR

Ref.

L5

TR

Īø

-0.3 (2.1)

-6.7 (10.7)

-4.8 (6.9)

-1.6 (3.3)

Ī”ĪøAP

-1.0 (3.2)

-6.1 (9.0)

1.2 (11.8)

-1.5 (3.0)

  1. For sensors around the belt, the reference was the L5 sensor