Table 3.

Soleus MTU length, length changes and velocity as well as muscle fascicle length, fascicle shortening distance and fascicle velocity averaged over the phase of MTU lengthening, MTU shortening and over the entire stance phase during running before and after the training intervention (mean ± s.d., effect size g, n = 13).

	MTU lengthening			MTU shortening			stance phase
	pre	post	g	pre	post	g	pre	post	g
MTU length (mm)	325 ± 20	325 ± 21	0.02	323 ± 20	323 ± 21	0.02	324 ± 20	324 ± 21	0.02
MTU length changes (mm)	18.4 ± 2.0	18.2 ± 3.2	0.04	−33.9 ± 9.3	−32.5 ± 5.6	0.19	−16.4 ± 9.0	−14.8 ± 5.6	0.30
MTU velocity (mm s−1)	97 ± 15	98 ± 22	0.07	−259 ± 52	−244 ± 33	0.36	−173 ± 29	−164 ± 21	0.30
fascicle length (mm)	39.2 ± 4.4	39.0 ± 5.1	0.03	34.5 ± 4.3	33.1 ± 4.5	0.23	37.2 ± 4.3	36.5 ± 4.8	0.12
fascicle shortening (mm)	−5.21 ± 2.68	−6.75 ± 3.08	0.45	−6.49 ± 2.02	−4.98 ± 1.23a	0.72	−11.05 ± 3.32	−11.53 ± 3.47	0.12
fascicle velocity (mm s−1)	−21.2 ± 16.7	−33.4 ± 17.5	0.52	−49.1 ± 16.7	−35.8 ± 10.1a	0.71	−33.0 ± 10.8	−34.6 ± 11.0	0.10

^aSignificant difference to pre (p < 0.05).