Movements directed at other people

толкать/толкнуть Na локтемi to elbow N, to nudge N with one's elbow
Петя нечаянно толкнул локтем девушку. Petya accidently nudged the girl with his elbow.
задевать/задеть Na локтемi to brush N with one's elbow
ударять/ударить Na локтемi to hit N with one's elbow
расталкивать/растолкать Na локтямиi to elbow one's way through N
NB N = толпа "a crowd," очередь "a line," etc.
Она расталкивала всех своими острыми локтями, чтобы подойти поближе. She shoved everybody aside with her sharp elbows trying to get closer.
подталкивать/подтолкнуть [Pf-once] Na локтемi (в бокa);
толкать/толкнуть [Pf-once] Na локтемi (в бокa)
to nudge N with one's elbow (in the ribs)
NB The above two phrases describe a gesture used to draw someone's attention to something.