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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Exp Brain Res. 2014 Aug 6;232(11):3645–3658. doi: 10.1007/s00221-014-4048-0

Figure 3.

Figure 3

EMG traces for a subset of muscles, extensor carpi ulnaris (ECUL), flexor carpi ulnaris (FCUL), biceps (BICP), triceps long head (LGTR), posterior deltoid (PDEL), and latissimus dorsi (LATD) for a representative subject (Subject #2) with TDWELL = 2 s. Averages across repetitive trials are presented; the shaded areas represent standard errors computed across trials. Muscle activations for each subject were normalized according to the averaged activity of the respective muscle during Position-holding trials (see Methods for details). The vertical dashed lines mark the start and the end of the perturbation force application.