Loss of muscle function with involuntary spasm or contraction of one or more muscles.
Stiff and awkward muscle control caused by a central nervous system disorder.
Also known as spastic paraplegia, a neurological disorder characterized by increased rigidity of the muscles (spasticity) and weakness or paralysis of the lower body. The progress of spastic paralysis, which can be caused by a genetic disorder, varies from person to person. Although some medications may reduce spasticity, there is no specific treatment to slow degeneration of affected nerves. Supportive measures include physical therapy and walking aids. Other causes of spastic paralysis include infections, multiple sclerosis, and spinal cord tumors.
Weakness of a limb or limbs associated with increased reflex activity. This results in resistance to passive movement of the limb. It is caused by disease affecting the nerve fibers of the corticospinal tract, which in health not only initiate movement but also inhibit the stretch reflexes to allow the movements to take place.
Paralysis usually involving groups of muscles. It is caused by an upper motor neuron lesion and is characterized by excessive tone and spasticity of muscles, exaggeration of tendon reflexes but loss of superficial reflexes, and positive Babinski’s reflex.
Incapacity to mobilize a specific body segment, coupled with muscular rigidity. Sources of spastic paralysis encompass conditions like stroke, cerebral palsy, and multiple sclerosis.
Muscle stiffness accompanies paralysis in which the affected muscles exhibit heightened tone.