Ay, six months pa lang, normal talaga ang maraming gulong-gulong movements nila ngayon kaya don't worry too much! Pero kung talagang concerned ka or nakikita mo na may ibang signs na off (like hindi siya responsive, or very floppy), mas better mag-check lang sa pedia to be sure, minsan ang mga tao may maling observation eh, pero better safe than sorry talaga when it comes sa babies.