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Balance is the result of several body systems working together: the visual system (eyes), vestibular system (ears) and proprioception (the body's sense of where it is in space). Degeneration or loss of function in any of these systems can lead to balance deficits.
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'.
Weakness is a symptom of many different medical conditions. [1] The causes are many and can be divided into conditions that have true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy .
Neurasthenia (from the Ancient Greek νεῦρον neuron "nerve" and ἀσθενής asthenés "weak") is a term that was first used as early as 1829 [6] for a mechanical weakness of the nerves. [ clarification needed ] It became a major diagnosis in North America during the late nineteenth and early twentieth centuries after neurologist ...
The distinguishing characteristics of POIS are: the rapid onset of symptoms after orgasm; the presence of an overwhelming systemic reaction. [1]POIS symptoms, which are called a "POIS attack", [1] can include some combination of the following: cognitive dysfunction, aphasia, severe muscle pain throughout the body, severe fatigue, weakness, and flu-like or allergy-like symptoms, [4] such as ...
FNsD may present with one or more symptoms of various sorts: motor symptoms, which may involve weakness or paralysis; aberrant movements, including tremor or dystonic movements; abnormal gait patterns; and abnormal limb posture. The presenting symptoms in FNsD is loss of function, but in somatic symptom disorder, the emphasis is on the ...
Epiphenomenalism is a position in the philosophy of mind on the mind–body problem.It holds that subjective mental events are completely dependent for their existence on corresponding physical and biochemical events within the human body, but do not themselves influence physical events.
A tremor is an involuntary, [1] somewhat rhythmic muscle contraction and relaxation involving oscillations or twitching movements of one or more body parts. It is the most common of all involuntary movements and can affect the hands, arms, eyes, face, head, vocal folds, trunk, and legs.