body lumbar vertebra

基本解釋

The lumbar vertebra is precisely supervises the arteries to follow the good spot, therefore the kidney manager supervises arteries governor positivity a body.
腰椎正是督脈循行部位，故腎主管而督脈總督一身之陽。
Skate beginners have to learn it step by step patiently. Particular attention should be paid to keep your body in balance in case of falling backward and injure your lumbar vertebra or brain.
初學(xué)滑冰者，不可性急莽撞，學(xué)習(xí)應(yīng)循序漸進(jìn)，特別要注意保持身體重心平衡，避免向后摔倒而摔壞腰椎和后腦。