Category: J

  • Joint mobilization

    The movement of previously injured, frozen, or limited joints to improve ranges of motion and function. Joint mobilization is not synonymous with joint manipulation. Both are techniques used in manual therapy of diseased joints and limbs but joint manipulation involves high velocity thrusting, while joint mobilization does not.  

  • Joint manipulation

    Passive therapeutic techniques used to stretch restricted joints or reposition a subluxation. The techniques are sometimes applied with rapid thrust movements and may be applied with the patient under anesthesia to ensure maximum relaxation.  

  • Levey-Jennings char

    A graphical representation of control data, arranged in chronological order, that shows a mean or target value and one or more sets of acceptable limits.  

  • Juxtaglomerular apparatus

    The juxtaglomerular cells of the afferent arteriole and the macula densa of the distal tubule. This structure initiates the renin angiotensin mechanism to elevate blood pressure and increase sodium retention.  

  • Juvenile hemochromatosis

    An autosomal recessive disorder of iron metabolism in which excessive iron storage results in hypogonadism, cardiomyopathy, cirrhosis, and joint disease in individuals before the age of 30. Patients with juvenile hemochromatosis do not have mutations in the HFE protein, the protein responsible for hemochromatosis in adults. The mutation in juvenile hemochromatosis is found on chromosome…

  • Juster’s reflex

    Finger extension instead of flexion when the palm of the hand is irritated.  

  • Jury-mast

    An apparatus for support of the head in diseases of the spine.  

  • Jurisprudence

    The scientific study or application of the principles of law and justice.  

  • Jurisdiction

    The authority and power of courts to hear and render judgments on the parties and subject matter of a case.  

  • Junk DNA

    A sequence of base pairs of DNA that does not code for a gene or have a recognizable function.