Find an endocrinologist. To make appointments with JOI Rehab, please call 904-858-7045. However, if not, the expense of the EMG test will vary from $150 to $1,500. Precision Medical Group, California's leader in patient-centered electrodiagnostic testing. You may be sent for an EMG test if you are experiencing numbness, tingling, weakness, or pain. 4. Coactivation is not limited to muscle pairs. Electrodiagnostic testing is the core diagnostic modality for patients with a suspected myopathy. Neurologists use EMG tests to locate and determine diseases that affect your muscles and nerves, as well as determine how much damage has occurred. The price of EMG test may be from over $200 to as high as $1,200 as reported in some areas, depending on which facility the test was performed. The EMG/NCV program is separated into four stages. 3015 CALLOWAY DR, STE. Your doctor may order EMG and NCV tests to identify the source of pain, numbness, tingling or weakness in your arms, hands, legs and feet. To determine whether your nerves and muscles are working properly, your doctor may recommend you have EDX testing, which may include a nerve conduction study (NCS) and a needle electromyography (EMG) test. Nicholas Mezitis MD. While many people think of clinical trials in the context of finding newer, better ways to treat cancer, Eisenhower Health has a robust clinical research program that also includes trials in areas such as cardiology, orthopedics, pulmonology, neurology, HIV and infectious diseases. Amyotrophic lateral sclerosis—ALS, or Lou Gehrig’s disease—is a progressive neuromuscular disease. An EMG test can also benefit those experiencing muscle weakness or paralysis. Electromyography (EMG) This study is used to evaluate and determine the cause of pain, muscle weakness, numbness and tingling sensation. The test is used to help find nerve and muscle problems. ₹4950. 1000 to Rs. 40+ lab options for EMG test in India. An EMG usually takes 30 to 60 minutes. Call (855) 364-6281 to set up your appointment today. Pain was listed as the only symptom for 63 EMG referrals; in this group 26 (41. There are two types of EEGs. During an EMG test, you may feel a quick, sharp pain when the needle electrode is put into a muscle. Publications & Presentations. Pain is commonly associated with EMG, because the procedure involves the use of needles and electric shock. An EEG is a test that records the electrical activity in your brain. [17] , and the intensity and frequency of SB were assessed by the number of SB events, pixel score [21] , EMG value, number. Improve Property Performance. It can distinguish myopathic from neurogenic muscle wasting and weakness. The test detects muscle activity during rest as well as during contraction. An EMG may help diagnose muscle weakness, muscular dystrophy, and other neuromuscular conditions. EMG results are often necessary to help diagnose or rule out a number of conditions such as: Muscle disorders, such as muscular dystrophy or polymyositis. An EMG test detects the electrical potential generated by your muscle’s cells when. Learn about how early you can take a pregnancy test and the early signs and symptoms of pregnancy. DOT Physicals Medical Review Officer (MRO) Certified Hearing Tests Immunizations IME (Independent Medical Evaluations) Travel Medicine Vision Testing EKG, PFT, EMG. California’s premier provider of quality EMG & NCS services. EMG results can reveal nerve dysfunction, muscle dysfunction or problems with nerve-to-muscle signal transmission. With electromyography, the status of muscle-to-nerve communications is assessed. It can help determine whether the cause of. Sometimes, surface electrodes are used. We offer nerve conduction studies (NCS) & electromyography (EMG). Myopathic units: early recruitment of small. Low back pain (LBP), with or without leg pain is a common clinical condition, affecting patients of all ages. Axonal Neuropathy: drop in amplitude . An electromyography (EMG) test measures electrical activity within the muscles. We are also proud to perform Retirement Disability and Fitness for Duty evaluations. The needle electrode may cause discomfort or pain that usually ends shortly after the needle is removed. Find Lowest Price. Cervical radiculopathy is a condition that results in radiating pain, muscle. Electromiografia (EMG) este o procedura neinvaziva care permite evaluarea nervilor periferici si a activitatii musculare, utila in stabilirea diagnosticului afectiunilor neuromusculare. An EMG or NCS may be ordered if you have pain, tingling, numbness, or unexplained weakness in the arms or legs. Quest Diagnostics. It is commonly performed by a physiatrist or neurologist with special training for this procedure. View hours of operation. Two electrodes are placed on the skin over your nerve. Sometimes, surface electrodes are used. EMG NCV is ideal for changing a practitioner's perspective of looking at a patient, enhances their diagnostic skills and in return offers great outcomes. I’d venture to say that the needle pricking of an EMG test doesn’t hurt nearly as much as the “pricking” that occurs during the extractions that come with facials. The EMG doctor examines you to decide what tests to do. . Like most diagnostic tests, the results are carefully reviewed and analyzed along with a thorough history and physical exam, x-rays, MRI/CT scans and other studies. An NCS assesses the flow of electrical current through a peripheral nerve before it reaches a muscle. Affiliated Hospital. Disclaimer: Every diagnostic test has scientific acceptable technology or technique based limitations of uncertainty of measurement, false positive or false negative and so do not fall. EMG uses an electrode. Neurologists specialize in treating, diagnosing, and managing conditions affecting the nervous system. An EMG will tell your healthcare provider how well your muscles and nerves work together. After EMG testing, you may feel a tingling sensation for a couple of days. Please call Patient Services Department at. Electromyography, Evoked potential test, Neuromuscular disorder, Myasthenia gravis, Myopathy, Peripheral neuropathy, Mo. If you have myasthenia gravis, ask your EMG doctor if you should take any medications before the test. EMG results. This test is commonly used to detect problems such as carpal tunnel syndrome, pinched nerves in your neck or back, generalized nerve injuries or muscle diseases. Dr. The results obtained after the signal processing reach a 94. Needle EMG. . EMG tests are often used to diagnose these conditions because they can identify abnormalities in the electrical signals that control muscle and nerve function. It is a muscle and nerve test that evaluates the body’s nerves and muscles from the neck all the way down the arm to the fingers and from the low back all the way down the leg to the bottom of the feet. Electromyography (ee-LECK-tro-my-AH-graf-ee), or EMG, is a test that is used to check the health of the muscles and nerves inside your body. She is also an experienced injector of botulinum. Electromyography Definition Electromyography (EMG) is an electrical recording of muscle activity that aids in the diagnosis of neuromuscular disease. The NCV, or nerve conduction velocity exam (NERV kon duc shun vel AH si tee), tests. Otherwise, the EMG may be falsely normal. Now Offering Telemedicine Visits!Learn More (512) 439-1000In surface electromyography (SEMG), the electrical activity of individual muscles or muscle groups is detected, amplified, and analyzed by a computer [ A, B ]. Deshmukh. A doctor may order an EMG. The NCV and EMG tests can detect an injured nerve. Established in 2003 at Cedars-Sinai Medical Center in Los Angeles, Precision has expanded to more than 30 locations. Don't give them any money. Needle EMG. Eat your normal meals (but you may wish to avoid tobacco or caffeine for a few hours prior to your. Procedures Electromyography (EMG) Find Top Doctors who perform Electromyography (EMG) by State Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District Of Columbia. While the pain of the test is minimized by using a fine gauge needle, it still is a needle, and there is some amount of pain involved. Asbestos Physical Exams Hazmat Exams Immigration Physical Motor Vehicle Accidents Personal Injuries Digital X-Ray CDL Exams. Here are our candidates for the best Les Paul style guitar copies: Heritage Standard H-150 (our top pick) Epiphone Les Paul Standard (best value) PRS McCarty Singlecut 594 (premium choice) ESP LTD EC-401. ] trabajan los nervios y músculos; usado para detectar problemas musculares. What happens during the test? There are 3 parts to the test and these are described below. Demyelinating Neuropathy: slowing of conduction velocity. Search from 79. Call: 1800-120-3877 for immediate bookings. Appointments. During the test, one or more small needles (also called electrodes) are inserted through the skin into the muscle. Denumirea corectă este electroneuromiografia. The nerve conduction testing involves giving small. Most cases of cervical radiculopathy go away with nonsurgical treatment. Electromyography (EMG) measures muscle response or electrical activity in response to a nerve’s stimulation of the muscle. EMG and NCV Tests. 81880 Doctor Carreon Blvd. We will attach EEG and EMG leads on your head, face and legs, along with an EKG monitor and respiratory effort belts. Electrodiagnostics Treatment in West Los Angeles. Learn more about services at Mayo. This stimulation causes electrical activity in the muscle, which in turn causes contraction. When a normal muscle is at rest, it is electrically silent. The term indeed stands for at least two different clinically used methods, which are quite distinct and as a rule performed in different settings (laboratories), for different purposes. An EMG uses a needle or electrodes that are attached. ESP USA Eclipse Flamed Maple. Wear comfortable, loose-fitting clothes, and remember to bring shorts and a short-sleeved or sleeveless shirt. 904-JOI-2000. 5211 East Washington Boulevard, Suite 18. LONG BEACH, CA. The electrode on the needle picks up the electrical activity given off by your muscles. Amyotrophic Lateral Sclerosis. A positive EMG test portends a better clinical response to epidural corticosteroid injections. By providing important clues on location, chronicity, severity, and pathophysiology, it can help to establish a diagnosis,. Electromyography (EMG) tests may help diagnose nerve compression or other injuries including carpal tunnel syndrome, nerve root injuries, and other problems of the. Automatically assign training based on position to increase expertise in operations management, sales and customer service, and maintenance skills. BAKERSFIELD . Electromyography is used to help detect neuromuscular abnormalities. In fact, when doctors say EMG it is short for EMG and NCV testing together. Map Key. This document also addresses. Call (310)652-6060 |Text (310)256-1161 | Email Casportrehab@emg-ncv. This test looks at how well the electrical signals travel from your nerves to your. Career. An electromyography takes 30-60 minutes. In many cases, this test looks for evidence of nerve damage, diseases of the nerve and/or muscle, or disorders of the neuromuscular junction (where the nerve and muscle connect). RESULT. A-102 Indio, CA 92201. Overview. The item “Pearloid White LOADED PICKGUARD for Fender Strat Guitar EMG SA Active Pickups” is in sale since Thursday, September 24, 2020. The test is used to help detect neuromuscular abnormalities. The NCV/EMG tests the speed of the nerve impulse as it travels down the nerve. This document addresses the use of electromyography (EMG) and nerve conduction studies (NCS) in the outpatient setting. Testing begins with a physical examination and a complete medical history. Use code: JT2GDB1 for $30 off never ha. During the test, your healthcare provider will put a small needle (also called electrodes) through your skin into a muscle. It can, by determining the distribution of. The number of nerves and muscles your doctor tests will determine how long it will take. org See an alphabetical list of locations below map! Precision Medical Group, California's leader in patient-centered electrodiagnostic testing. For a neuromuscular junction study, all muscles that are weak in the patient should be examined in the needle EMG portion of the test. A sleep study is painless. Generally, NCV is ordered to assess diseases of the peripheral nerves —those that connect from the muscles, organs, and skin to the spinal cord or brain. Electromyography (EMG) measures muscle response or electrical activity in response to a nerve’s stimulation of your muscle. To contact EMG 001, LLC DBA COACHELLA VALLEY. NCV can identify nerve damage. The seller is “redhouseguitar” and is located in Allen, Texas. ResearchGate. The electrical activity picked up by the. A sample fee list of Kaiser Permanente in Colorado listed EMG test at $233. EMG is a diagnostic test used to assess the function of nerves and muscles. Electromyography (EMG) Testing & Nerve Conduction Studies (NCS) in San Diego, CA. Allegheny General Hospital | 320 East North Avenue, Pittsburgh, PA 15212-4756An electromyogram (EMG) is electrodiagnostic testing measures the electrical activity of muscles at rest and during contraction. , FAANEM. Mingus (Cotton. The information the test provides will help your doctor get you on the road to recovery quickly and more. Nerve conduction tests may take from 15 minutes to 1 hour or more. In other words, these studies are an extension of the clinical evaluation by your doctor. Electromyography (EMG). But really, it's jsut reduced nerve flow from tight muscles compressing nerves. Check Price at Sweetwater. NCS is usually done before EMG if both procedures are done in the same session. Next, the muscle is tested while it is. First NCV (Nerve Copnduction Study) is performed by a technologist using a small electrical impulse to stimulate the nerve and record the response from nerve/ muscle. D’Angelico Premier Atlantic. Nerves control the muscles in the body by electrical signals (impulses), and these impulses cause the muscles to react in specific ways. Indio by Monoprice Retro Classic Review (this cheap electric guitar doesn’t suck!). During NCS, mild electrical currents are applied to the skin on some parts of your body. Los Angeles (Commerce), CA 90040. EMG testing can be used for the diagnosis of a variety of disorders that damage muscle tissue, nerves, or the junctions between nerve and muscles. If you're a patient at MSK and you need to reach a provider after 5 p. Any test must give “normal” values. Epidural steroid injections (ESIs) are commonly used in the management of certain. I don’t remember it being painful, but that may depend on the person doing the test. Phone: 760-863-3857. During an EMG test, you may feel a quick, sharp pain when the needle electrode is put into a muscle. Together, an NVC and EMG test can help our orthopedic specialists identify whether the underlying cause of your pain or weakness. To make an appointment, call 631-675-9508. Dr. 肌电图结果可显示神经功能障碍、肌肉功能障碍或神经 — 肌肉信号传输问题。. [ edit on Wikidata] Electromyography ( EMG) is a technique for evaluating and recording the electrical activity produced by skeletal muscles. . . To test the nerve, we have to apply an electrical signal to the nerve. We are a dedicated bunch that understands your needs and guarantee our. An EMG measures the electrical activity of the muscles and nerves, particularly the way the nerves respond to muscle stimulation. Are you nervous about your upcoming EMG/Nerve Conduction study? Don't be! By watching our video, our lab tech will walk you through the motions of both of th. Contents Overview Test Details Results and Follow-Up Additional. Certain types of limb pain. A group of physicians, including Dr. 3000, and the NCV test can cost up to Rs. Electromyography (EMG) and nerve conduction studies (NCS) are tests that measure muscle and nerve function. We offer nerve conduction studies (NCS) & electromyography (EMG). 215B. Knowledgeably answered all questions. An EMG may take 30 to 60 minutes. How long the test takes. EMG 001, LLC DBA COACHELLA VALLEY VOLKSWAGEN is located at 79050 Varner Rd, Indio, CA 92203 and is classified as a Recycler by the Environmental Protection Agency. 6010 Hidden Valley Road, Suite 200 Carlsbad, CA 92011 Call (760) 631-3000 Driving Directions Launch Google Directions 47111 Monroe Street, Indio, CA, 92201-6799. The tests make some people anxious. How Much Does an EMG Test Cost? With Health Insurance: $10-$50 Copays, 10%-50% Coinsurance. Electromyography (EMG) measures muscle response or electrical activity in response to a nerve’s stimulation of your muscle. There are few accepted “normative” values for EMG/NCS. In an ever-changing, rapidly evolving health-care marketplace, stability is a rare commodity. scasouthjersey. In the acute stage of a vasculitic nerve lesion, the nerve remains excitableEMG/NCS to confirm the clinical suspicion. CARREON BLVD, STE. Robin Lipschitz MD, FACP, FACR. Schedule an appointment today. EMG and NCV Single Limb Cost in Delhi. Deshmukh. Nerve Conduction Velocity Test Uses. You can order an EMG for carpal tunnel syndrome from Curxmede, which affects the nerve that runs through the wrist. or Email: manager@comprehensiveneurologyli. I took the EMG Jill to numbness tingling pain weakness and spasms in bilateral upper extremity's. An EMG, or electromyogram (e-LECK- tro-MY-oh-gram), is a test that is done to show the electrical activity of the muscles. Whittier, CA 90601. 4. D6 An electromyogram is a test of muscle. . This type of nerve conduction testing measures the healthiness of the lining of your nerve. Call (855) 364-6281 to set up your testing appointment today. Accepting New Patients 3. C. A tiny needle electrode translates your nerve signals into graphs, sounds and numbers that are then interpreted by a specialist. Read on to learn about conditions that doctors may diagnose with an EMG. Electrical activity is normal and necessary for muscle movement. Extractions on the nose hurt to high heaven (I’ve had them done). . 120 ; LA HABRA, CA 90631 . During an EMG test, you may feel a quick, sharp pain when the needle electrode is put into a muscle. Such groups have been addressed as muscle synergies. Doctors like to consider that EMG test find nerve 'damage'. Electromyography (EMG) is a test that helps in assessing the function of the muscles; and Nerve Conduction Study (NCS): Assesses the nerves controlling the muscles and the junction between a nerve and a muscle. Electromyography (EMG) Testing – Patient Information Guide EMG TestingHow long the test takes. Nerve conduction studies help diagnose nerve damage or disease. They are as follows. EMG stands for electromyogram which loosely translated means electrical testing of muscles, but it has come to mean electrical testing of nerves and muscles. Digital. An EMG may take 30 to 60 minutes. In electromyography (EMG), a small needle is inserted into a muscle to record the electrical activity of the muscle when the muscle is at rest and when it is contracting. . Disorders of nerves outside the spinal cord. If a person undergoes spine surgery, a positive pre-operative EMG for radiculopathy is also associated with better outcomes. The patient’s weight was 80 kg, his creatinine blood level normal. 1). Objective: Needle EMG remains the standard clinical test for neuromuscular disease (NMD) assessment, but it only characterizes myofiber membrane depolarization. RadNet Coachella Valley | Desert Advanced Imaging - Indio. Imaging. Nwabuobi offers compassionate and personalized care in Movement Disorders including Parkinson’s disease and parkinsonism, essential tremor, Huntington’s disease, dystonia, facial spasm, tics and Tourette’s syndrome, ataxia, gait disorders, chorea, restless leg syndrome, and myoclonus. MMG and EMG amplitude and frequency were compared before, during, and after the squatting task. There are two components to an EMG test: the nerve conduction study and the needle. This is called a nerve conduction study. An EMG/NCS is the equivalent of a test drive: It evaluates how well the nerves from the spine transmit information to and from the arms, legs, and paraspinal muscles (Fig. During the needle EMG, the neurologist will assess whether there is any spontaneous electrical activity when the muscle is at rest — activity that isn't present in healthy muscle tissue — and the degree of activity when you slightly. Duration of an EMG test. on the evening of the EMG day. Northridge, CA 91324. It represents the 5th cause of health-care visits in the USA, leading to a serious impact on the overall health status and quality of life (1, 2). Neurology, sleep medicine, neurodiagnostic testing are the services offered by Antoine Elhajjar MD in Palm Desert CA. LANCASTER, CA 93534 . A nerve conduction study is similar to an EMG test, but slightly different. Electromyography (EMG) Testing & Nerve Conduction Studies (NCS) in Indio, CA (Southwest). The lady’s at the front desk are very unprofessional and rude beside one. Electromyography हिंदी मेंElectromyography (EMG) is a technique for evaluating and recording the electrical activity produced by skeletal muscles. An EMG evaluates nerve and muscle function in the arms or legs (that may reflect what is. Physical Medicine and Rehabilitation – UCLA, Los Angeles, California. In general, depending on clinical symptomatology, emphasis is focused on EMG to diagnose radiculopathy, plexopathy and myopathy, or on a peripheral nerve. Electromyography: This is more involved than NCS. The length of a study varies depending on the condition. call (513) 418-2500. We’ll also attach a fingertip pulse oximeter and nasal oral airflow. Electromyography (EMG) is a diagnostic procedure to assess the health of muscles and the nerve cells that control them (motor neurons). Your sleep technician can answer any questions you may have about the test and will help you if you need anything during the night. This will mean that you have the ability to. Electromyography (EMG) is a diagnostic procedure to assess the health of muscles and the nerve cells that control them (motor neurons). The term EMG stands for Electromyography. D004576. It is usually performed as an outpatient meaning you can go home the day of the test. The electrical activity picked up by the. The Wilcoxon signed rank test reported an achieved confidence of 94. An EMG/NCV test is a two-part diagnostic procedure used to evaluate the health and functionality of nerves and muscles in the body. Thursday: Open 24 hrs. Electrodiagnostic medicine studies diseases of the nerves and muscles. Use the custom course builder to add training for unique systems and processes. Philadelphia, PA: Elsevier; 2022 :chap 36. Part 1 Sensory nerve testing During this test you need to stay as still and relaxed as possible. V for Dr. The NCS, or nerve conduction (NERV kon-duc-shun) study exam, tests the health of the nerves outside the. EMG signals acquired from muscles require advanced methods for detection, decomposition, processing, and classification. Currently Indio Medical Clinic's 3 physicians cover 6 specialty areas of medicine. It is used to learn more about the functioning of nerves running from the spinal cord to the muscles. An EMG, or electromyogram, is an electrical test of peripheral nerves and muscles. See article on pages 462–473 in this issue. com. EMG test overview. An electromyogram is a test that can help determine the cause of symptoms that might indicate muscle or nerve damage. 2nd Test, Lord's, August 12 - 16, 2021, India tour of England. Like most diagnostic tests, the results are carefully reviewed and analyzed along with a thorough history and physical exam, x-rays, MRI/CT scans and other studies. Affiliated Hospital. This helps your doctor know whether the problem is in the muscle itself or in the nerves that control the muscle. 6% of CTTH patients. Electromyography (EMG) assesses the health of your muscles and the nerves that control your muscles. Our main office is located in Redlands, California, with over 78 evaluation facilities in cities. Appointment and billing were fast. ATTENTION! The TELEGRAM comments are all scams! Sorry, you didn't win anything. . Introduction. La Centrokinetic, aceasta. The lowest EMG test cost is ₹1800 only. The test is used to help detect neuromuscular abnormalities. g. Fax: 760-863-5249. Then they’ll charge you again including consultation. Dr. Northridge. A diagnosis of nerve dysfunction, muscle dysfunction, or a problem with nerve-to-muscle communication can be found in an electrocardiogram (EMG). During an Electromyography study, a. 8th ed. A nerve conduction velocity test can take between 15 minutes and an hour. **Note: A EMG/NCV Test cost in India at different locations may vary. The electrical activity of the muscle will be recorded while. After the needle is inserted, a small amount of blood will be collected into a test tube or vial. Electromyography (EMG) assesses the health of your muscles and the nerves that control your muscles. During an EMG test, you may feel a quick, sharp pain when the needle electrode is put into a muscle. An EMG is a nerve conduction study that evaluates a muscle’s response to the nerve that controls it. During an EMG, small electrodes or fine needles, called electrodes, are placed on or. **Note: A EMG/NCV Test cost in India at different locations may vary. The student has the option to take the entire program (Stage 1 through 4) or take any number. An Electromyogram (EMG) measures the electrical activity of muscles at rest and during contraction. EMG and NCS tests provide data ab. Electromyography (EMG) is a form of electrodiagnostic testing that is used to study nerve and muscle function. Google Maps. 6010 Hidden Valley Road, Suite 200 Carlsbad, CA 92011 Call (760) 631-3000 Driving Directions Launch Google DirectionsResidency. Certain nerve diseases cause electrical signals to be transmitted more slowly than normal. David Doward of JOI explains Electromyography EMG & Nerve conduction velocity NCV tests. Rezutatul investigarii este se numeste electromiograma. Plan to arrive 15 minutes before your scheduled appointment for the check-in process. In the acute stage of a vasculitic nerve lesion, the nerve remains excitableElectromyography (EMG) is the extracellular recording of bioelectrical activity generated by muscle fibres. The patients found to be “informed” about the how an EMG examination is performed and. They often use this test alongside a nerve conduction study. Precision Occupational Medical Group, Inc. The procedure typically involves inserting a fine needle into the target muscle to. Normally, resting muscle produces no electrical activity. Asbestos Physical Exams Hazmat Exams Immigration Physical Motor Vehicle Accidents Personal Injuries Digital X-Ray CDL Exams. A damaged nerve may send a slower and. Electromyography, or EMG, is a test that assesses the health of your muscles and the nerve cells - called motor neurons - that control them. Electromyogra phy (EMG)-test that measures how well. EMG and nerve conduction studies are used to help diagnose a variety of muscle and nerve disorders. Summary. If you have any questions, contact a member of your care team directly. Contact Information. An electromyography test typically takes between 30 to 60 minutes. Susan Sindall. Join our certified medical professionals as they administer nerve conduction and EMG tests. Book your EMG Test with the Most Reputed Diagnostic Centre in Delhi. We offer nerve conduction studies (NCS) &. Review Date: 05/02/2022. An EMG test measures the response a muscle has to stimulation from a nerve. . tor neuron disease, Brachial plexus neuropathy, Lambert-Eaton myasthenic syndrome, Polyradiculopathy, Lumbosacral plexopathy Summary. Electromiografia (EMG) este o procedură care evaluează starea și buna funcționare a nervilor și mușchilor și este foarte importantă pentru diagnosticarea diferitelor afecțiuni ale sistemului nervos periferic. Overview of EMG monitoring experimental setups in. EMG test is used to identify and treat problems related to the muscle and nerve system.