A two segment hopping model using a single muscle based on Positive force feedback in bouncing gaits?.
Geyer H, Seyfarth A, Blickhan R. Positive force feedback in bouncing gaits? Proc Biol Sci. 2003 Oct 22;270(1529):2173-83. doi: 10.1098/rspb.2003.2454. PMID: 14561282; PMCID: PMC1691493.
