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Functional weakness is weakness of an arm or leg without evidence of damage or a disease of the nervous system. Patients with functional weakness experience symptoms of limb weakness which can be disabling and frightening such as problems walking or a 'heaviness' down one side, dropping things or a feeling that a limb just doesn't feel normal or 'part of them'.
Feeling this would indicate an organic cause of the paresis. If the examiner does not feel the "normal" leg's heel pushing down as the patient flexes the hip of the "weak" limb, then this suggests functional weakness (sometimes called "conversion disorder"), i.e. that effort is not being transmitted to either leg. [citation needed]
Functional neurologic disorder, or functional neurological disorder (FND), is a condition in which patients experience neurological symptoms such as weakness, movement problems, sensory symptoms, and convulsions.
Frailty refers to an age-related functional decline and heightened state of vulnerability. It is a worsening of functional status compared to the normal physiological process of aging. It can refer to the combination of a decline of physical and physiological aspects of a human body.
Weakness/paralysis of a limb or the entire body (hysterical paralysis or motor conversion disorders) Impairment or loss of speech (hysterical aphonia) Difficulty swallowing or a sensation of a lump in the throat; Urinary retention; Psychogenic non-epileptic seizures or convulsions; Persistent dystonia; Tremor, myoclonus or other movement disorders
Assessing for pronator drift helps to detect mild upper limb weakness in a patient who's awake and able to follow directions. Ask the patient to close the eyes, then to stretch out both arms in the appropriate position: Flex the shoulder joint to 90 degrees (45 degrees, if supine) and fully extend the elbow joint.
There are many different functional disorder diagnoses that might be given depending on the symptom or syndrome that is most troublesome. There are many examples of symptoms that individuals may experience; some of these include persistent or recurrent pain, fatigue, weakness, shortness of breath or bowel problems.
A neurological examination is the assessment of sensory neuron and motor responses, especially reflexes, to determine whether the nervous system is impaired. This typically includes a physical examination and a review of the patient's medical history, [1] but not deeper investigation such as neuroimaging.