Pini yakasarudzwa midziyo yekunyanya kushanda kunze triceps brachii tsandanyama uye yekubatsira kushanda kunze serratus anterior tsandanyama. Mudzidzisi aikwanisa kuburitsa tsandanyama yekumusoro ruoko uye hunde nekusunda zvibatiso zveruoko zvinosimudzira pamativi maviri panguva imwechete mushure mekusarudza huremu hwakakodzera.