[quote]IBMS wrote:
I would count it as compound. It’s not exactly a single joint movement like a bicep curl. A chest fly is hitting pretty large muscle groups too[/quote]
Well, if you are performing them in the traditional fashion like this:
then they are isolation exercises. The only joint action is horizontal shoulder flexion/abduction. So, yes, it is a single joint movement like a bicep curl. The size of the muscle groups hit has nothing to do with whether an exercise is compound or isolation.