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Table 2 Identified linear system dynamics, \(G_{\text {sys}}^{-1}(s)\), from half-amplitude and half-frequency (H.H.) and full-amplitude and full-frequency (F.F.) trials for joint angle (J.A.) and fascicle length (F.L.) estimations

From: Pressure based MRI-compatible muscle fascicle length and joint angle estimation

Type a2 a1 a0 b1 b0
H.H.J.A. (single) 165.5 ± 29.8 1823 ± 1587 1836 ± 1807 9.7 ± 8.5 8.5 ± 8.3
F.F.J.A. (single) 140.2 ± 56.6 5115 ± 5049 682.2 ± 578.0 11.6 ± 10.2 8.6 ± 5.6
F.F.J.A. (differential) 143.9 ± 53.5 7189 ± 2359 145.5 ± 87.7 26.1 ± 8.7 1.3 ± 0.8
H.H.F.L. (single) -47.7 ± 19.6 -202.4 ± 178.6 -183.5 ± 161.4 2.5 ± 2.0 1.8 ± 1.5
F.F.F.L. (single) -12.0 ± 4.8 -736.1 ± 537.3 -791.7 ± 756.1 14.0 ± 7.9 21.7 ± 12.9
F.F.F.L. (differential) -12.1 ± 5.5 -1083 ± 536 -8833 ± 5796 27.3 ± 5.1 141.6 ± 105.3
  1. Data are reported as mean ± 1 S.E.M.