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. 2020 Aug 24;20(17):4775. doi: 10.3390/s20174775

Figure 6.

Figure 6

Explanation of the signal comparison experiment. (a) One sensor unit was attached to the biceps brachii. (b) Situation 1, elbow flexion and extension with the hand in a fist and relaxed. (c) Elbow flexion and extension with the hand relaxed. (d) Hand relaxes and is then made into a fist.