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Exercise intolerance is a condition of inability or decreased ability to perform physical exercise at the normally expected level or duration for people of that age, size, sex, and muscle mass. [1] It also includes experiences of unusually severe post-exercise pain, fatigue, nausea, vomiting or other negative effects.
The McKenzie method is a technique primarily used in physical therapy.It was developed in the late 1950s by New Zealand physiotherapist Robin McKenzie. [1] [2] [3] In 1981 he launched the concept which he called "Mechanical Diagnosis and Therapy (MDT)" – a system encompassing assessment, diagnosis and treatment for the spine and extremities.
In medicine, a contraindication is a condition (a situation or factor) that serves as a reason not to take a certain medical treatment due to the harm that it would cause the patient. [ 1 ] [ 2 ] Contraindication is the opposite of indication , which is a reason to use a certain treatment.
Gaining FDA approval is based on the body of scientific evidence supporting the effectiveness of a drug treatment. The scientific evidence is gathered in the first 3 steps in the drug development process: discovery and development, pre-clinical research (testing safety), and clinical research (testing efficacy). [11]
Exercise is the cornerstone of pulmonary rehabilitation programs. Although exercise training does not directly improve lung function, it causes several physiological adaptations to exercise that can improve physical condition. There are three basic types of exercises to be considered.
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It may be suboptimal functioning of the tested target muscle, or a normally optimally functioning muscle can be used as an indicator muscle for other physiological testing. A commonly known and very basic test is the arm-pull-down test, or "Delta test," where the patient resists as the practitioner exerts a downward force on an extended arm. [16]
The single leg squat is an exercise that was developed into a functional test by Liebenson [18] to examine the biomechanics of the lower extremity, assess hip muscle dysfunction [19] and provide an indication of mechanics during daily functional tasks. [20]