I fell today, help!

I fell down 4-5 stairs today but leaned back to avoid going face/belly first down the stairs and basically knee surfed down them. My stomach didn’t hit the ground let alone touch it but my stomach is a little sore in my lower abdomen. My baby is still moving but I’m still a little shaken up and worried. I’m not bleeding or cramping either.

Do you think the stomach pain is normal since I leaned back so far to avoid falling forward?