The lumbar 12 vertebrae should be referred to as the T12 vertebrae, which is the twelfth thoracic vertebrae, located at the thoracolumbar junction of the human body.
There are 5 lumbar vertebrae and 12 thoracic vertebrae in the human body, and the lumbar 12 vertebrae refers to the T12 vertebrae and the 12th thoracic vertebrae, which are located at the thoracolumbar junction.
When taking a bent back posture, gently press both sides of the back to find the twelfth rib of the back, that is, the last rib of the thoracic back. Along the twelfth rib to the middle of the back of the spine, gently press to move, you can touch and the rib connected to the thoracic vertebrae, which is the thoracic 12 vertebrae. The 12th thoracic vertebra is connected to the 11th thoracic vertebra and the first lumbar vertebra.