Here are two basic questions that I just realized that I may not know the answers to, to my surprise (because I should know them, really):
A RNC question
The way that I learned to finish the rear naked choke (from Michael Jen's online video clips) was as follows: Pull your elbows together and then pull them towards your chest. However, I've noticed that some instructors teach this move just a little bit differently. They will tell you to pull your elbows together and then move your chest forwards and your SHOULDERS BACK.
I'm wondering, if you pull your shoulders back, don't you move your elbows APART from each other again?
An upa question
I don't know if I've asked this question before, but when you do the upa from under the mount, are you supposed to bridge directly over one of your shoulders, keeping your head glued to the mat, or are you supposed to bridge first STRAIGHT over your head and THEN roll your opponent to the side?