There are 5 lumbar vertebrae in the lumbar region. There are 5 sacral vertebrae, which are fused as one bone and known as the sacrum, in the sacral region. There are 3 to 5 coccygeal vertebrae, which ...

India suffer and struggle in daily life due to back pain. Here are 5 most common spine problems in Indians with tips to ...

L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint connects these bones.

Purussaurus mirandai is the only crocodylian that has been found to have the extra vertebra in its sacrum, the scientists said.