Evost Series Knee Up yashizweho kugirango itoze urwego rwibanze nu mubiri wo hasi, hamwe nudupapuro twikiganza twikiganza hamwe nu ntoki kugirango dushyigikire neza kandi duhamye, hamwe na paje yuzuye-ihuza inyuma irashobora gufasha kurushaho gushimangira intangiriro. Ibindi byongeweho ibirenge hamwe nintoki bitanga inkunga yo gutoza dip.