![]() ![]() Movement actually begins in the brain, specifically with the motor cortex, where neural activity signals the spinal cord, and information about the movement is conveyed to the relevant muscle by way of motor neurons. EMG “measures muscle response or electrical activity in response to a nerve’s stimulation of the muscle.” How do Muscles Move? Finally, here is a definition of EMG from John Hopkins Medicine. Muscle contraction strength is related to the number of motor units in the muscle. The higher the load, the higher the firing rate. EMG is based on the premise when a muscle contracts, a burst of electric activity is generated. Usually performed in a research or rehabilitation setting, EMG records the movement of muscle. Electromyography (EMG) MeasurementsĮlectromyography (EMG) measures the electrical activity of muscles. Some back exercises are much better than others when looking at muscle recruitment or activation. In this particular case, we’re going to talk about the best back exercises. Have you ever thought about what the best exercises are or what’s the perfect exercise to choose for a strength program? One way to choose the best exercise is from an EMG standpoint. ![]() ![]() The Jefit database, as an example, has more than 1,300 different exercises. That number can easily increase to more than a thousand when considering the different exercise variations. There are literally hundreds of different exercises to choose from when developing a Jefit strength training program. ![]()
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