A pinched nerve, carpel tunnel, maybe an aneurysm. If you have sharp pains in your spine, see a chiropractor.
Spine
Spine or Thorn
They have a spine
No, they are invertabrate animals.
what is a large smooth ball shaped processd on the end of a long bone called
yes, their dorsal and pectoral fins have a sharp spine that can cut you
Asritis
You may have pulled a muscle or hurt it somehow
I'm not sure but see a dr !!
Sharp back pain from falling off of a horse could be a broken tailbone. It could also mean that you threw your spine out of alignment or have a pinched nerve.
Lumbago or many other diseases of the spine, lumbar muscles or the area's bones.