Newton discovered gravity from an apple tree, Steve Jobs was inspired by apples, and in fact, the topic of the spine can also be said to start with an apple falling from an apple tree. In fact, the topic of the spine can also start from the apple falling from the apple tree. Compared to cats, the spine “stands up” when a human walks upright. The apple falls due to gravity, and the spine, the “standing” apple tree itself, has always been solidly resisting gravity. As the tree ages and loses water, the trunk bends and becomes weak and fragile, which is the basis for back and leg pain; the dead wood shakes in the wind, which is the internal cause of the spine’s susceptibility to fracture. Walking through an apple orchard in the winter, you may see a particularly gnarled tree trunk supported by wooden braces to help it withstand the winds and snow, so that it can be rejuvenated the next year. It’s the same with the spine. It flexes against gravity and then bows back naturally and gracefully. If it’s bent too much, metal is implanted in the fatigued segment, new wood is grafted on, a growth potion is injected, and it’s straightened out. This is a graphic but inappropriate analogy for many spinal surgeries. In Chinese medicine, it is said that when a bone is straight, all the tendons are open. It’s also said that when the bones are straightened, the tendons will not hurt. Whether the ancients believed it or not, I’m taking it as an example. Anyway, I hope more people can get through. And less pain. ps: I like air-dried dried apples, eat up the feeling of wood; natural formation of things, into the tree and the people of the bond.