This week, Sylvester Stallone's "Rocky" celebrates its 40^th anniversary since it was released in 1976. Finally, people will get to see a fighter who is there for self respect, and not just for the money and the fame.

The boxer gets a chance to win the world heavyweight boxing title. (Spoilers) Although he didn't win against Appolo Creed, he definitely won the people's hearts.

To celebrate the 40^th anniversary of South Philly's favourite boxer, here are a list of things that fans probably don't know:

Use of Steady Cam

First on the list is the steady cam. This is the first movie in history where the steady cam was used, since the maker of the technology, Garrett Brown was the cinematographer of the film, Mashable reported.

Unbelievable Production Facts

Sylvester Stallone himself wrote the screenplay of the movie during a very tough time in his life, and he wrote it in just three days, Irish Examiner reported. The producers of the film took a gamble and funded it with only $1 million, with a shooting schedule of only 28 days. Also its casts were mostly unknown back then, including Sylvester.

Despite the production challenges, it raked in $200 million upon its release, making it that year's highest grossing movie. It also won Academy Awards, including best director, best editing, and best picture, with 20 nominations.

Exercise Scenes

The clapping push up and the one hand push up scene was shot because the film makers ran out of things for Rocky to do for the training montage. They have to insert in the scene, because showing a clip of Rocky running for 20 minutes would look monotonous.

One of the most memorable scenes in the movie was when Rocky was running up the stairs to the Philadelphia Museum of Art. The two scenes were Rocky was having a hard time climbing the stairs earlier in the story and the other won where he triumphantly made it to the top, was all shot in one day.