Cracker

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Cracker

Cracker (pronounced: /ˈkrækər/) is a term used in the medical field, particularly in the context of Orthopedics and Physical Therapy. It is often used to describe the sound or sensation experienced when a joint is manipulated or moved in a certain way, often resulting in a popping or cracking noise. This is also known as Joint Cavitation.

Etymology

The term "cracker" in this context is derived from the English language, where it is used to describe a sharp, sudden noise. It has been adopted in the medical field to describe the similar noise produced by certain joint movements.

Related Terms

  • Joint Cavitation: The formation and immediate implosion of cavities in a liquid – i.e. small liquid-free zones ("bubbles" or "voids") – that are the consequence of forces acting upon the liquid.
  • Orthopedics: The branch of medicine dealing with the correction of deformities of bones or muscles.
  • Physical Therapy: The treatment of disease, injury, or deformity by physical methods such as massage, heat treatment, and exercise rather than by drugs or surgery.
  • Joint Manipulation: A type of passive movement of a skeletal joint. It is usually aimed at one or more 'target' synovial joints with the aim of achieving a therapeutic effect.

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