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. Author manuscript; available in PMC: 2014 Jul 30.
Published in final edited form as: J Neurosci. 2011 Apr 13;31(15):5579–5588. doi: 10.1523/JNEUROSCI.6641-10.2011

Figure 8.

Figure 8

Methoxamine injection increases spinal excitability but has no effect on extra forces in an adult decerebrate cat. A, Forces produced by left triceps surae muscles evoked by stimulating the left LGS nerve during top hat stimulations (Stim, 1 ms pulse widths) before and after injecting methoxamine at neutral and long muscle lengths. B, Force generated by the left triceps surae muscles with stimulation of the right tibial (Tib) nerve (40 Hz for 2 s, 0.2 ms pulse width) before and after injecting methoxamine. C, Ramp-and-hold stretch of the left triceps surae (TS) muscles (ramp: 5 mm in 0.25 s) before and after injecting methoxamine. The EMG of the soleus (Sol) muscle with stimulation of the right tibial nerve (B) and with stretch of triceps surae muscles (C) is shown below the force traces for trials before and after methoxamine injection.