Spasticity. a classical clinical manifestation of an upper motor neuron lesion. has been traditionally and physiologically defined as a velocity dependent increase in muscle tone caused by the increased excitability of the muscle stretch reflex. Clinically spasticity manifests as an increased resistance offered by muscles to passive stretching (lengthening) and is often associated wit... https://parisnaturalfoodes.shop/product-category/next-level-creatine/