question: hi there ... just wanna ask for help about my injury with my lower back when i suddenly turn my body to left something \"ting\" on my back and suddenlly i\"ve unable to stand my left leg..it was 10 days ago when it happen, now some changes in my back that i can stand up,sit down with the help of a stick. however still something ill i feeling like touching with a pin when im sitting or walking..and my foot getting chilled and sweet is comming out while im seating. does this indication needs to go to a doctor since im working on a ship and were in the middle of the ocean on our way to the USA..hope you guys can give me advice