Adynamia means lack of

strength Strength may refer to: Physical strength *Physical strength, as in people or animals * Hysterical strength, extreme strength occurring when people are in life-and-death situations *Superhuman strength, great physical strength far above human c ...

vigor Vigor or vigour may refer to: Companies * Vigor S.A., a Brazilian food company * Vigor Industrial, an American shipbuilding, ship repair, and industrial service provider in the Pacific Northwest and Alaska ** Vigor Shipyards, four shipyards in Was ...

due to a

pathological Pathology is the study of the causal, causes and effects of disease or injury. The word ''pathology'' also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices. However, when us ...

condition. It is often associated with a range of

neurological disease A neurological disorder is any disorder of the nervous system. Structural, biochemical or electrical abnormalities in the brain, spinal cord or other nerves can result in a range of symptoms. Examples of symptoms include paralysis, muscle weakness ...

s such as

multiple sclerosis Multiple (cerebral) sclerosis (MS), also known as encephalomyelitis disseminata or disseminated sclerosis, is the most common demyelinating disease, in which the insulating covers of nerve cells in the brain and spinal cord are damaged. This d ...

and medial-

frontal lobe The frontal lobe is the largest of the four major lobes of the brain in mammals, and is located at the front of each cerebral hemisphere (in front of the parietal lobe and the temporal lobe). It is parted from the parietal lobe by a groove betwe ...

lesions. It may be episodical, hereditary, or periodic (all types are ICD-10-CM code G72.3).

References

1. http://www.wrongdiagnosis.com/medical/adynamia.htm Medical signs {{med-sign-stub