The 42-year-old, who is shirtless in the clip, posted the video on Instagram with the caption: "Training for my next Film. Bastille Day. Grinding."
As the clip begins Idris asks the cameraman "how many have I got to do? Ten?" before kneeling down to do a several press-ups using a plate-loaded weight.
Idris is in training for his latest silver-screen role
Bastille Day sees Idris star alongside Games of Thrones star Richard Madden and Canadian actress Charlotte Le Bon.
Idris Elba's short film directorial debut inspired by the 1970s
The film is being directed by James Watkins, the man behind The Woman in Black and Eden Lakes.
Training for my next Film. Bastille Day. Grinding.
Hackney-born Idris became a father for the second time in April of this year.
The Luther actor, who already has an 11-year-old daughter with his ex-wife Dormowa Sherman, welcomed a son named Winston with his partner Naiyana Garth.