I know what you mean, I went through a fairly simple cave except for ~90 feet with 3 90 degree turns in between which required me to be completed stretched out

I know what you mean, I went through a fairly simple cave except for ~90 feet with 3 90 degree turns in between which required me to be completed stretched out (Superman style) and push with only my toes/fingertips. It was terrifyingly exhilarating.