exert russian
напря́чься
to strain oneself, to exert oneself
to tense (up), to be tense, to tighten
прикла́дывать
to exert, put, add
to apply
возде́йствовать
influence
To exert an action an influence
напряга́ться
to strain oneself, to exert oneself
to tense (up), to be tense, to tighten
надрыва́ться
tear slightly, overstrain oneself, exert oneself to the utmost
потруди́ться
to labor, labour
to exert effort
прилага́ть
exert, apply
ту́житься
exert oneself, make an effort