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Electromyography, or EMG, is a technique for measuring the electrical activity of skeletal muscles—the muscles that connect to bones and support movement. When our muscles contract, the tissue produces tiny electrical signals. This electrical activity results from the conduction of specialized peripheral nerves (nerves located outside of the brain or Read More…
Distonia é uma desordem que afeta a maneira como uma pessoa se move. Mais especificamente, pessoas com distonia têm contrações musculares involuntárias, que podem causar posturas anormais. A distonia pode afetar qualquer músculo do corpo, incluindo a face, pescoço, tronco e membros. O impacto da distonia pode ser muito variável Read More…
Our nervous system consists of the central and the peripheral nervous system. The brain and spinal cord are components of our central nervous system (CNS), while the peripheral nervous system consists of all other nerves that travel from the CNS to supply our face and the rest of our body. Read More…
La coordinación de movimientos finos y efectivos es esencial en las tareas diarias, como hablar o caminar. La capacidad de orquestar exitosamente estos movimientos se denomina comúnmente “coordinación motora”. Si bien los pacientes con SCA generalmente pueden iniciar los movimientos con sus cuerpos, su capacidad para ejecutarlos de manera fina Read More…
For healthy function, our body performs many essential cellular processes mediated by the molecules created within us. This construction is based on a molecule called DNA, which acts as an instruction manual by carrying all the genetic information within our body. Every person’s genome, or collection of DNA, is completely Read More…
Myoclonus is a neurological clinical sign marked by sudden, quick, and involuntary muscle contractions or jerks. These contractions can happen in one muscle group or in several muscle groups at the same time. Myoclonus can be a single incidence or occur in a repetitive pattern. The intensity and frequency of Read More…
Aspiration refers to the entry of food, liquid, saliva, or other materials into the airway instead of the esophagus during swallowing. This can occur when the coordination of muscles involved in swallowing is disrupted. As a result, materials can “go down the wrong pipe,” potentially leading to choking or respiratory Read More…
To function properly, our body depends on many essential processes that are moderated by molecules created within us. Creating these crucial molecules, also called proteins, involves multiple steps and precursor molecules (Figure 1). In the first step, the DNA, which serves as the reference blueprint and contains the vital information Read More…
Areflexia, from the Greek word “a”, meaning absence, is a medical condition characterized by the absence or reduction of reflexes. Reflexes are involuntary response triggered by sensory stimuli that are essential for maintaining proper bodily function. When this complex system fails, it shows as areflexia, which causes a variety of Read More…
Have you ever wondered what part of your nervous system is helping move the muscles of your body? Or your head? An important part of our central nervous system called the pyramidal tract is responsible for voluntary movements made by our body. The pyramidal tract is made up of two Read More…
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