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Non-inferiority tests. a Total arm displacement. The δ was set equal to 10% of HEP mean. b Time spent (in minutes) with Reach Distance greater than or equal to 70% of arm length. c Time spent (in minutes) with Hand Elevation within 40% of arm length with respect to the shoulder. The δ was set equal to 10% of full training time (45 min) for b and c. VERGE not inferior to HEP or AWVR for any of these measures
