At the 6 month doctor appointment, I mentioned how our son is still struggling with rolling from his tummy to his back. The doctor said, "He'll figure it out." Which was frustrating to me, because I wanted to know how I could help my son learn to roll from tummy to back. If you get on your tummy and figure out what to do with the arm as you roll, you'll realize the dilemma a baby faces. What to do with the arm, do you stretch it out or tuck it in. I showed my baby both ways and then worried that I might have confused him even more!
But he has rolled tummy to back now a few time on his own (started on September 28th, but that was with me getting on the mat and rolling with him); he's getting better. It still frustrates him, as it's a new technique. I clap every time he rolls to his tummy and then clap again when he rolls to his back. He loves the clapping sound and smiles.