It's not often we bring you a visual breakdown of reconstructive surgery, but this GIF was too interesting to ignore.
The ACL injury is something that is frustratingly common in professional sports. Down the years the likes of Ruud Van Nistelrooy and Alan Shearer struggled with the dreaded ACL.
It's also common in amateur sports, and chances are that the majority of our readers either have suffered or know someone who suffered with this horrible injury, so this clip is to give an idea as to how the procedure works, and it's seriously interesting.
It's tough to watch in parts, but there's something mesmeric about the process.