I've been lifting hard now for about 5 months. I've learned a ton of exercises but I was unable to find out what a skull crusher is?
What are they?
What do they work?
Why are they dangerous? - I read an article last night about someone who snapped their elbow doing these but now I can't find it-
What are they?
What do they work?
Why are they dangerous? - I read an article last night about someone who snapped their elbow doing these but now I can't find it-