I bent over and lifted my trailer (probably around 60-70lb s) to remove it from the truck hitch, done this 100 times before BUT this time I felt a huge pop/click in the lower middle portion of my back. I felt it more on my right side. It initially hurt only a little but was very uncomfortable and I felt a lot of pressure below my lower back and beyond downwards. I now have radiating light pain all around my very lowest portion of my back, tailbone area and even thighs. I have to walk very slow and feel as if I may collapse not from pain but just feels like my back or thighs will give out. If I flex my stomach it also feels the same way. Is it possible I only pulled a muscle in that area or should I seek medical help?
Hi there. Thanks for your question at Chat Doctor. You should get medical help at earliest if back pain radiating to thighs persists. If you had pulled your muscle, the pain would most likely be restricted to your back and would not radiated your limbs. On the other hand back pain after lifting weights associated with pain radiating to limbs, suggests disc related pain. The physician in ER can do simple tests to differentiate between the two. Either way you should get medical help. Hope this helps. All the best. Regards.  Chat Doctor.