1)
What are "Chevlei She'ol"?
1.
Rashi: This is like Chevlei Maves (refer to 18:5:1:1), i.e. camps of Resha'im. Radak - this is like Chavel Nevi'im (Shmuel I, 10:5).
2.
Radak: They are pains, like "Chevlei Yoledes" (Hoshe'a 13:13).
3.
Refer to 18:5:1:2
2)
What is the meaning of "Kidmuni"?
1.
Radak: Came in front of me.
2.
Refer to 18:5:1:2.
3.
Malbim: It is as if I already died, and I was awaiting burial.