Characteristics of participants.
traumatic
Laterality: RH = right-handed: LH = left-handed: A side = amputated sideLevel of TRA = transradial amputation: S = short (upper 1/3): M = medium (middle 1/3)L = long (lower 1/3)Time since A = time since amputationEtiology: T = traumatic: C = congenitalWrist rotation: M = motorized: NM = non-motorizedGreifer wrist setting: RD = radial deviation: UD = ulnar deviationAxon-Hook wrist setting: F = flexion: NP = neutral positionGroup (after randomization): G-A = Greifer then Axon-Hook: A-G = Axon-Hook then Greifer