. Author manuscript; available in PMC: 2021 Nov 3.

Published in final edited form as: Hum Factors. 2014 Jun;56(4):669–683. doi: 10.1177/0018720813509268

TABLE 1:

Trunk Postures

Model Input	Postures From Postures, Activities, Tools, and Handling Method
T1	Neutral (trunk flexed <20°)
T2	Moderate flexion (trunk flexed ≥20° to <45°)
T3	Severe flexion (trunk flexed ≥45°)
T4	Lateral bent/twisted–neutral (trunk flexed <20°)
T5	Lateral bent/twisted–flexed (trunk flexed ≥20°)