[Sooner5900]

I had a couple questions here that I was hoping someone could help me out with! ..my daughter just started playing youth ball; and I played other sports and never got much into basketball. So Im not clear on all the rules, and doing a little bit of learning with her! haha but heres the first question!

If you have the ball and come across halfcourt down to the basket; can the defender lean into you with their shoulder, and the arm pressed into the side of the body as you go down the court? I mean, that is a foul isnt it?

....or, if you just cut off the person and lean into them with your body; totally impeding the progress of the offensive player while you're pushing into them? wouldn't that be a foul too?

..Im just vague on some rules since Im not very basketball smart! haha