Why does it take 24 hours for muscles to start hurting after a workout? Why not straight away? We explain delayed onset muscle soreness (DOMS) like I'm 5. And while we're at it, what are muscle knots? How do I get them and get rid of them?

... We explain like i'm five!

Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: 400stars, peaceoutscout, crispturtle & chaveza94

To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook:

https://www.twitter.com/eli5ThePodcast/

or send us an e-mail:

ELI5ThePodcast@gmail.com