Transverse Strains in Muscle Fascicles during Voluntary Contraction: A 2D Frequency Decomposition of B-Mode Ultrasound Images

Table 2

Fourier coefficients for the lateral gastrocnemius.

Parameter		LG
		−13.06 ± 0.20°	7.93 ± 0.19°	−1.4 ± 2.1°
	7.59 ± 1.05 N m	21.30 ± 1.91 N m	252.7 ± 3.4°
	1.00 ± 0.00	0.19 ± 0.02	36.2 ± 5.4°
	1.00 ± 0.00	0.015 ± 0.001	209.3 ± 7.0°
	9.23 ± 0.57°	2.54 ± 0.34°	219.7 ± 5.4°
	11.40 ± 0.49°	1.62 ± 0.27°	216.6 ± 4.8°
	1.00 ± 0.00	0.027 ± 0.003	262.1 ± 16.4°
	148.62 ± 4.17	7.22 ± 0.96	33.4 ± 5.5°

Values are shown as mean ± SEM () and are for the first harmonic of the Fourier series.