YA say you like the keys at frame 1 and you want them to be the same at frame 24 for a cycle go to frame one then middle mouse drag over to frame 24 and then key all the postions or hit s key if you have a character set.
I am enough of an artist to draw freely upon my imagination, knowledge is limited, imagination encircles the world. (Albert Einstein)
https://www.artstation.com/kurtb