Ikipe yapakiye inyana yicaye inyana yagenewe gutoza imitsi yinyana (Soleus na Gastrocnemius).
Gutezimbere imitsi yinyana cyangwa imbaraga za siporo hamwe nibikoresho bihamye kandi byoroshye ibikoresho bya siporo. Isahani nshya yuzuye inyana yicaye irasa ni staek kandi nziza hamwe nikadiri yashizweho yagenewe gukoresha urwego rwuzuye rwubucuruzi. Inyana kuzamura ifunze hamwe nisahani yuburemere bwibirori kugirango wongere byoroshye mugihe upakurura cyangwa gupakurura amasahani. Iyi mashini nayo igaragaramo ibibero bifatika kubikorwa byiza cyane kandi bihuza abakoresha ubwinshi.
Ibiranga:
Gufunga ahantu heza urakoze kubitara byoroshye kandi byiza
Kwibanda cyane ku mitsi ya Soleus aho kuba imitsi ya gastrocnemius (ikora ahantu h'inyana) kubera umwanya wicaye
Byiza cyane hamwe nimisoro iremereye nimikorere myiza
Ibiganza byoroshye byashyizwe ahagaragara kugirango ukore imyitozo yoroshye
Amahembe yuburemere yemerera kwikorera no gupakurura amasahani ya olempike