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Marriote invented what is today known as Newton's cradle to demonstrate Newton's first law and the collision of suspended bodies of equal mass with the motion of the moving body being transferred to the one at rest. [13] [14] [15] Newton acknowledged Mariotte's work, among that of others, in his Principia.
Falling and colliding with other people in a contact sport can also cause this fracture. Falling causes the weight of the body to force hyperextension. In full-contact sports such as American football and Rugby, diving for the ball can lead a player to land on his head, forcing the neck into hyperextension. The further piling of players on top ...
Newton's cradle is a device, usually made of metal, that demonstrates the principles of conservation of momentum and conservation of energy in physics with swinging spheres. When one sphere at the end is lifted and released, it strikes the stationary spheres, compressing them and thereby transmitting a pressure wave through the stationary ...
Here’s how to fix “tech neck” and prevent it in the future, according to chiropractors. Plus, these are all the products to buy to help alleviate neck pain from “tech neck.” This is the ...
A cervical fracture, commonly called a broken neck, is a fracture of any of the seven cervical vertebrae in the neck. Examples of common causes in humans are traffic collisions and diving into shallow water.
The constellation of symptoms caused by craniocervical instability is known as "cervico-medullary syndrome" [4] and includes: [5] [6] [7] Anxiety disorder; Bobble-head doll syndrome, a sensation that the skull may fall off the cervical spine; Clumsiness and motor delay; Cognitive and memory decline; Double or blurred vision; Dysphagia, or the ...
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Torticollis can also be caused by problems with bones, muscles, or the spine in the neck, leading to difficulty moving the head and neck normally. [25] Knowing about the sternocleidomastoid muscle and how it works is crucial for doctors to diagnose and treat torticollis correctly, so they can find and fix the problem causing it.