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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: J Physiol. 2020 Apr 26;598(11):2153–2167. doi: 10.1113/JP279377

Figure 3.

Figure 3.

Shoulder abduction reduces hand opening ability in individuals with stroke. (A) The ACT-3D system with the attached forearm-hand orthosis equipped with a TactArray sensor mat to measure grasping pressure. (B) An example of grasping pressure measured by the TactArray sensor mat. (C) An example from one individual of grasping pressure over time for attempted hand opening on the table (solid Blue) and attempted hand opening while lifting against 50% max shoulder abduction (broken Red) depicted as the percentage of max grasping pressure. (D) Group averages with individual data overlaid of normalized grasping pressure for opening on the table vs. opening while lifting against 50% max shoulder abduction. Error bars depict SD. * p < 0.05.