The warm up for climbing is fairly simple and there's no need to overcomplicate it unless you have poor conditioning or injury. But there are definitely some basics to get right. This episode (Vlog #35) goes through them.

Many of you then asked how I warm up at the crag, especially when there are few options for warming up. In this episode (Vlog 36) I warm up on the crux moves of my 9a project. Just take it step by step!