Nerve conduction study

heavy household work like washing windows, walls, floors. Participants asked if they can perform each of these tasks without help of another person and those who reported being unable to do one or more task classified as being disabled (Rosow et al., 1996). 8 foot walk test: In this test, performance based mobility disability was assessed by evaluation of the time it takes participants to walk 8 feet (2.4m) at their usual pace. The cut-off point for this measure is ≤0.4 m/s. (Wilson et al., 2003). Peripheral nerve function test: Peripheral nerve function is less studied in older adults without diabetes. According to Ward et al., these measures are important predictors of mobility disability in older adults. Peripheral nerve motor function is measured objectively as peroneal motor nerve conduction amplitude in millivolts (mV) with stimulation at the popliteal fossa, fibular head and ankle using NeuroMax 8 and, as nerve conduction velocity in meters per second (m/s). Sensory nerve function is measured as vibration detection threshold using vibration sensory analyzer and, as monofilament insensitivity. Peripheral neuropathy symptoms self-reported by the individuals include numbness or tingling, sudden stabbing, burning, pain or aches. Poor sensory and motor function predicts incident mobility disability in older adults. These findings will be important to prevent risk of mobility disability in older adults (Ward et al., 2013, 2014). 400 meter walk test (400 MWT): Preserving the…

executed. External electrical stimulation of the ulnar nerve activated large then small motor units, because large myelinated axons are activated at lower threshold stimulus currents than smaller ones. Thus one would observe summation of the action potentials as the stimulus is increased due to an increase in the frequency of the firing of action potentials across multiple motor units. This is exactly what was observed in the compound action potential recordings in Figure 2, which showed that…

Nerves and muscles in the body send electrical signals throughout the body- sending and receiving messages to the brain. Electro diagnostic testing helps the doctor to get a better understanding of how those electrical signals are functioning in the body. There are two types of electro diagnostic testing; Electromyography, more commonly known as an EMG, and Nerve Conduction Studies, or NCS. An EMG allows the doctor to monitor and understand the electrical action that takes place within the body.…

A nerve cell is also called a motor neuron, which is made from a cell body, an axon and axon terminals. The cell body contains a nucleus and dendrites that receive the signals and send it down the axon that is covered in myelin sheath. The axon terminals are connected to the muscles creating a neuromuscular junction. This is where the signal is relayed to the muscle. There are two groups of motor neurons: upper and lower. Upper motor neurons are those found in the brain and lower motor neurons…

The principal effect that make people continue smoking is that the drug excites neural activity and speed body functions. In other words, it makes the body feel good every time he/she smokes because the drug (cigarettes) helps keep motivated the body and feel energetic throughout the year. That is why it is really difficult a person stops smoking. Although, at the same time the drug is killing nerve cells in the brain because it has strong toxins that it can damage the nerve cells and kill them.…

know that as we age our age of motion will decrease, but it can be up to 30% as we reach our senior years. Over the year’s muscle will begin to shorten thus losing their elasticity. For seniors maintain a quality of life stretching needs to be a part of their life. Stretching can increase their joint range of motions, making daily tasks a bit easier to complete. There is no set time of schedule of when stretches should be done, but seniors should aim for 3 days a week, performing each stretch…

Polyradiculitis, otherwise known as a variant of Guillain-Barre Syndrome (GBS), is a very rare disease where the immune system attacks the spinal nerve roots. Fewer than 20,000 a year get this disease, and I was one of them. It was one day in the early April of 2001. I was a healthy three year old toddler that went from running around and climbing on furniture to not being able to walk. My mom started to notice that I wasn’t walking; but instead I was pulling myself across the floor. I also had…

Muscle Pain, Adult Muscle pain (myalgia) may be caused by many things, including: • Overuse or muscle strain, especially if you are not in shape. This is the most common cause of muscle pain. • Injury. • Bruises. • Viruses, such as the flu. • Infectious diseases. • A chronic condition that causes muscle tenderness, fatigue, and headache (fibromyalgia). • A condition, such as lupus, in which the body’s disease-fighting system attacks other organs in the body (autoimmune disease). …

separate functions and organs and also have their own fair share of problems. The muscular system composes of the tissues and organs that are used to exert a force, whether under voluntary or involuntary control. Muscles are composed of long, slender cells called fibers, and these fibers come in bundles with very few or countless amounts per bundle. Muscles move by either contracting or extending, which is directed by nerve impulses sent from the central nervous system. There are three main…

Only 1 in 100,000 people have to experience this scarce syndrome; Guillain Barre could possibly temporary have a serious affliction on the individual’s life, some of which we have heard of. Take Franklin D. Roosevelt for example, he suffered from Guillain Barre or also commonly known as “GBS” experienced a fight with this nerve damaging infection. GBS progressively starts to own a person’s life, being educated about this disease, the symptoms and effects, and the treatments will be beneficial. …