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. Author manuscript; available in PMC: 2010 Oct 16.
Published in final edited form as: J Biomech. 2009 Aug 6;42(14):2231–2237. doi: 10.1016/j.jbiomech.2009.06.038

Table 2.

Effects of Age and Speed on EMG variability and dynamic stability (p-values)

Age Speed Age × Speed
Interstride
Variability		 v. lateralis 0.18 <0.001 0.66
b. femoris 0.003 <0.001 0.74
gastrocnemius 0.407 0.027 0.54
t. anterior <0.001 <0.001 0.71
Local
dynamic
stability		 λ* S 0.002 <0.001 0.76
λ* L 0.98 <0.001 0.99
Orbital
Stability		 0% <0.001 0.17 0.025
25% 0.002 0.19 <0.001
50% <0.001 0.18 0.57
75% 0.008 0.23 0.027