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. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: Compr Physiol. 2021 Dec 29;12(1):2877–2947. doi: 10.1002/cphy.c210020

Figure 18. Effect of stimulating muscle afferents during spontaneous fictive locomotion in decerebrate curarized cats.

Figure 18.

The figure shows the effect of stimulating the plantaris (Pl) nerve at group I strength and the sartorius (Srt) nerve at group II strength on the raw ENG bursts of activity during spontaneous fictive locomotion. Stimulation of the Pl nerve during A) mid-flexion reset the rhythm to extension while stimulation during B) late extension prolongs the extensor burst. Stimulation of the Srt nerve during C) early flexion resets the rhythm to extension while stimulation during D) mid- to late extension has no visible effect. LGS, lateral gastrocnemius-soleus; SmAB, semimembranosus-anterior biceps; T, threshold; TA, tibialis anterior. Reproduced and modified from (288).