I ve been having foot pain so I bought shoe inserts. I ve tried several varieties and all seem to help ease the foot pain. Yesterday, however, I wore inserts for plantar fasciitis all day at work (about 9 hours). Now, today, I have paid in my lower back about where the kidneys are. Do you think I stick to the regular inserts (gel, or others that support the arch and heel)? Thanks for your help!