en_tn_condensed/psa/035/013.md

when they were sick

The word "they" refers to the "unrighteous witnesses" (Psalms 35:11).

I wore sackcloth

"I showed that I was sad"

with my head bowed on my chest

This was a symbol of prayer. "with my head bent down in prayer" (See: rc://en/ta/man/translate/translate-symaction)