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Electrostimulation Techniques
Electrical muscle stimulation (EMS), also known as neuromuscular electrical stimulation (NMES) or electromyostimulation, is the elicitation of muscle contraction using electric impulses. EMS has received an increasing amount of attention in the last few years for many reasons: it can be utilized as a strength training tool for healthy subjects and athletes; it could be used as a rehabilitation and preventive tool for people who are partially or totally immobilized; it could be utilized as a testing tool for evaluating the neural and/or muscular function in vivo; it could be used as a post-exercise recovery tool for athletes. The impulses are generated by a device and are delivered through electrodes on the skin near to the muscles being stimulated. The electrodes are generally pads that adhere to the skin. The impulses mimic the action potential that comes from the central nervous system, causing the muscles to contract. The use of EMS has been cited by sports scientists as a comp ...
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Muscle Contraction
Muscle contraction is the activation of tension-generating sites within muscle cells. In physiology, muscle contraction does not necessarily mean muscle shortening because muscle tension can be produced without changes in muscle length, such as when holding something heavy in the same position. The termination of muscle contraction is followed by muscle relaxation, which is a return of the muscle fibers to their low tension-generating state. For the contractions to happen, the muscle cells must rely on the interaction of two types of filaments which are the thin and thick filaments. Thin filaments are two strands of actin coiled around each, and thick filaments consist of mostly elongated proteins called myosin. Together, these two filaments form myofibrils which are important organelles in the skeletal muscle system. Muscle contraction can also be described based on two variables: length and tension. A muscle contraction is described as isometric if the muscle tension changes ...
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Skeletal Muscle
Skeletal muscles (commonly referred to as muscles) are organs of the vertebrate muscular system and typically are attached by tendons to bones of a skeleton. The muscle cells of skeletal muscles are much longer than in the other types of muscle tissue, and are often known as muscle fibers. The muscle tissue of a skeletal muscle is striated – having a striped appearance due to the arrangement of the sarcomeres. Skeletal muscles are voluntary muscles under the control of the somatic nervous system. The other types of muscle are cardiac muscle which is also striated and smooth muscle which is non-striated; both of these types of muscle tissue are classified as involuntary, or, under the control of the autonomic nervous system. A skeletal muscle contains multiple muscle fascicle, fascicles – bundles of muscle fibers. Each individual fiber, and each muscle is surrounded by a type of connective tissue layer of fascia. Muscle fibers are formed from the cell fusion, fusion of ...
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Athletic Training
Athletic training is an allied health care profession recognized by the American Medical Association (AMA)"What is an Athletic Trainer?". The Board of Certification Website. 2003. Athletic training is also recognized by the Health Resources Services Administration (HRSA) and the Department of Human and Health Services (HHS) as an allied health care profession. Athletic trainers (ATs) are health care professionals who render service or treatment under the direction of or in collaboration with a physician, in accordance with their education, training and the state's statutes, rules and regulations. The practice of athletic training encompasses health promotion and wellness and examination, diagnosis, immediate care, and rehabilitation of clients/patients with emergent, acute, and chronic health conditions. As defined by the Strategic Implementing Team of the National Athletic Trainers' Association (NATA) in August 2007. that "encompasses the prevention, examination, diagnosis, tre ...
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Transcutaneous Electrical Nerve Stimulation
Transcutaneous electrical nerve stimulation (TENS or TNS) is the use of electric current produced by a device to stimulate the nerves for therapeutic purposes. TENS, by definition, covers the complete range of transcutaneously applied currents used for nerve excitation although the term is often used with a more restrictive intent, namely to describe the kind of pulses produced by portable stimulators used to reduce pain. The unit is usually connected to the skin using two or more electrodes which are typically conductive gel pads. A typical battery-operated TENS unit is able to modulate pulse width, frequency, and intensity. Generally, TENS is applied at high frequency (>50  Hz) with an intensity below motor contraction (sensory intensity) or low frequency ( * Over a tumor/malignancy (based on in vitro experiments where electricity promotes cell growth) * Directly over the spinal column TENS used across an artificial Artificial pacemaker, cardiac pacemaker (or other indw ...
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Microcurrent Electrical Neuromuscular Stimulator
A microcurrent electrical neuromuscular stimulator or MENS (also microamperage electrical neuromuscular stimulator) is a device used to send weak electrical signals into the body. Such devices apply extremely small microamp Aelectrical currents (less than 1 milliampere A to the tissues using electrodes placed on the skin. One microampere Ais 1 millionth of an ampere and the uses of MENS are distinct from those of "TENS" which runs at one milliamp Aor one thousandth of an amp. Uses MENS uses include treatments for pain, diabetic neuropathy, age-related macular degeneration, wound healing, tendon repair, plantar fasciitis and ruptured ligament recovery. Most microcurrent treatments concentrate on pain and/or speeding healing and recovery. It is commonly used by professional and performance athletes with acute pain and/or muscle tenderness as it is drug-free and non-invasive, thus avoiding testing and recovery issues. It is also used as a cosmetic treatment. History The bod ...
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Functional Electrical Stimulation
Functional electrical stimulation (FES) is a technique that uses low-energy electrical pulses to artificially generate body movements in individuals who have been paralyzed due to injury to the central nervous system. More specifically, FES can be used to generate muscle contraction in otherwise paralyzed limbs to produce functions such as grasping, walking, bladder voiding and standing. This technology was originally used to develop neuroprostheses that were implemented to permanently substitute impaired functions in individuals with spinal cord injury (SCI), head injury, stroke and other neurological disorders. In other words, a person would use the device each time he or she wanted to generate a desired function.M.R. Popovic, K. Masani and S. Micera, "Chapter 9 – Functional Electrical Stimulation Therapy: Recovery of function following spinal cord injury and stroke," In press, Neurorehabilitation Technology – Second Edition, Z. Rymer, T. Nef and V. Dietz, Ed. Springer Scie ...
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Electroacupuncture
Electroacupuncture is a form of acupuncture where a small electric current is passed between pairs of acupuncture needles. According to some acupuncturists, this practice augments the use of regular acupuncture, can restore health and well-being, and is particularly good for treating pain. There is evidence for some efficacy (when used in addition to antiemetics) in treating moderate post-chemotherapy vomiting, but not for acute vomiting or delayed nausea severity. Use by acupuncturists According to ''Acupuncture Today'', a trade journal for acupuncturists: :"Electroacupuncture is quite similar to traditional acupuncture in that the same points are stimulated during treatment. As with traditional acupuncture, needles are inserted on specific points along the body. The needles are then attached to a device that generates continuous electric pulses using small clips. These devices are used to adjust the frequency and intensity of the impulse being delivered, depending on the c ...
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United States District Court For The Central District Of California
The United States District Court for the Central District of California (in case citations, C.D. Cal.; commonly referred to as the CDCA or CACD) is a Federal trial court that serves over 19 million people in Southern and Central California, making it the most populous federal judicial district. The district was created on September 18, 1966. Cases from the Central District are appealed to the United States Court of Appeals for the Ninth Circuit (except for patent claims and claims against the United States government under the Tucker Act, which are appealed to the Federal Circuit). Along with the Central District of Illinois, the court is the only district court referred to by the name "Central" – all other courts with similar geographical names instead use the term "Middle." History California was admitted to the union on September 9, 1850, and was divided into two federal trial court districts - Northern and Southern - by Act of Congress on September 28, 1850, 9 Stat. ...
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Food And Drug Administration
The United States Food and Drug Administration (FDA or US FDA) is a List of United States federal agencies, federal agency of the United States Department of Health and Human Services, Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food safety, tobacco products, caffeine products, dietary supplements, Prescription drug, prescription and Over-the-counter drug, over-the-counter pharmaceutical drugs (medications), vaccines, biopharmaceuticals, blood transfusions, medical devices, electromagnetic radiation emitting devices (ERED), cosmetics, Animal feed, animal foods & feed and Veterinary medicine, veterinary products. The FDA's primary focus is enforcement of the Federal Food, Drug, and Cosmetic Act (FD&C), but the agency also enforces other laws, notably Section 361 of the Public Health Service Act, as well as associated regulations. Much of this regulatory-enforcement work is not d ...
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Electric Current
An electric current is a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is measured as the net rate of flow of electric charge through a surface or into a control volume. The moving particles are called charge carriers, which may be one of several types of particles, depending on the conductor. In electric circuits the charge carriers are often electrons moving through a wire. In semiconductors they can be electrons or holes. In an electrolyte the charge carriers are ions, while in plasma, an ionized gas, they are ions and electrons. The SI unit of electric current is the ampere, or ''amp'', which is the flow of electric charge across a surface at the rate of one coulomb per second. The ampere (symbol: A) is an SI base unit. Electric current is measured using a device called an ammeter. Electric currents create magnetic fields, which are used in motors, generators, inductors, and transformers. In ordinary con ...
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Electrode
An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air). Electrodes are essential parts of batteries that can consist of a variety of materials depending on the type of battery. The electrophore, invented by Johan Wilcke, was an early version of an electrode used to study static electricity. Anode and cathode in electrochemical cells Electrodes are an essential part of any battery. The first electrochemical battery made was devised by Alessandro Volta and was aptly named the Voltaic cell. This battery consisted of a stack of copper and zinc electrodes separated by brine-soaked paper disks. Due to fluctuation in the voltage provided by the voltaic cell it wasn't very practical. The first practical battery was invented in 1839 and named the Daniell cell after John Frederic Daniell. Still making use of the zinc–copper electrode combination. Since then many more batteries have be ...
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Relax Acizor
Relax may refer to: Aviation * Roland Z-120 Relax, a German ultralight aircraft design for the 120 kg class Music Albums * ''Relax'' (Blank & Jones album), 2003 * ''Relax'' (Das Racist album), 2011 Songs * "Relax" (song), a 1983 song by Frankie Goes to Hollywood, covered, sampled and remixed by many artists * "Relax", a song by Das Racist, title track from ''Relax'' * "Relax", a song by Deetah from ''Deadly Cha Cha'' * "Relax", a song by Labi Siffre from ''The Singer and the Song'' * "Relax", a song by Peaches from ''I Feel Cream'' * "Relax", a song by Superorganism from ''Superorganism'' * "Relax", a song by The Who from ''The Who Sell Out'' * "Relax, Take It Easy", a 2006 song by Mika Film * ''Relax'' (film), a Telugu film * '' Relax...It's Just Sex'', a 1998 film Computing * Regular Language description for XML, a specification for describing XML-based languages See also *Leisure Leisure has often been defined as a quality of experience or as free time. Free ...
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