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. 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 2:

Arm Postures

Model
Input		 Postures From Postures, Activities,
Tools, and Handling Method
A1 Both arms <60°
A2 1 arm raised ≥60°
A3 2 arms raised ≥60°