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Epi-X is a multicentered randomized controlled clinical trial of chronic lateral epicondylitis with parallel group design and two phases. In the first phase physical exercise treatment is given in the intervention group and expectance in the reference group. In phase 2 eccentric exercise versus concentric is tested.
Chronic lateral epicondylitis is defined as the presence of a "tennis elbow" for more than 3 months. It is a common condition in the general population and often results in long-term sick-leave. The etiology is unknown. A large number of treatments have been tried but none is generally accepted. However, in Achilles tendinitis a new treatment has been shown effective. It consists of eccentric exercise, i.e. work during stretching rather than shortening of the muscle (concentric exercise). The latter is currently the most common treatment method.
This project is a randomised controlled clinical trial of eccentric versus concentric exercise in 205 patients with chronic lateral epicondylitis. Pain and muscle strength were recorded at start of treatment and after 1,2,3,6 and 12 months. Activities of daily life (ADL) and well-being were recorded at start of treatment and after 3, 6 and 12 months. In addition, blood specimens for a number of neural peptides have been sampled. Moreover, the involvement of the peripheral nervous system in the elbow area has been examined in a subsample of patients. A biopsy from 20 patients per treatment group and from 20 healthy subjects, and a positron emission tomography (PET) scan of 23 patients were performed to allow qualitative and quantitative examination of neural fibres, peptides and receptors. The health economy of the two treatments will be investigated using data from this project and from available registers.
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment
Eccentric exercise, Concentric exercise
Published on BioPortfolio: 2014-07-23T21:14:40-0400
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The exercise capacity of an individual as measured by endurance (maximal exercise duration and/or maximal attained work load) during an EXERCISE TEST.
Controlled physical activity, more strenuous than at rest, which is performed in order to allow assessment of physiological functions, particularly cardiovascular and pulmonary, but also aerobic capacity. Maximal (most intense) exercise is usually required but submaximal exercise is also used. The intensity of exercise is often graded, using criteria such as rate of work done, oxygen consumption, and heart rate.
Tapering-off physical activity from vigorous to light, to gradually return the body to pre-exercise condition and metabolic state.
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Alternating sets of exercise that work out different muscle groups and that also alternate between aerobic and anaerobic exercises, which, when combined together, offer an overall program to improve strength, stamina, balance, or functioning.
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