Traditional Culture Encyclopedia - Photography and portraiture - Where is the T 12 vertebral body?
Where is the T 12 vertebral body?
Section 12 The position of thoracic vertebrae at the junction of human chest and waist. If you are a thin person, you can see that the 12 rib on the back, that is, the last rib on the chest and back, is the shortest rib on the whole chest and back, and moves to the middle of the whole back along this rib. The thoracic vertebra connected with this rib is the 12 thoracic vertebra, which is connected with the 1 1 thoracic vertebra above and the 1 lumbar vertebra below.
If you are a fat or strong person, it is generally difficult to touch the root of the twelfth rib, but you can touch the head of the twelfth rib at most. You can connect the lowest edges of the left and right twelfth rib heads with a straight line. The intersection of this straight line and the whole spine is the second lumbar vertebra, and then 5-8cm up, or two vertebrae up, is the twelfth thoracic vertebra.
Extended data The psoas major originates from the tendon and is located in the T 12-L5 vertebral body and transverse process, with complex peripheral nerves. Long-term strain and distortion of iliopsoas muscle leads to pathological changes of intramuscular nerves. The common manifestations are low back pain, groin tenderness, groin to femoral trochanter pain and so on.
On the other hand, some scholars believe that lumbar instability and low back pain caused by lumbar muscle weakness are mutually causal, and the defect of iliopsoas muscle function can not maintain the stability of the spine, which will lead to segmental instability of the lumbar spine, thus causing low back pain. The protective mechanism of lumbar activity after low back pain will further reduce lumbar activity and cause further degradation of iliopsoas muscle function.
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