KnowraMyopathyLinked fromLinked fromThe 6 pages that link to Myopathy, each with the reason it gives.All 6Broader topic 1Related 1Narrower topic 3Compared with 1Peripheral neuropathyCompared with: Muscle disease can cause weakness without primary injury to peripheral nerves.ElectromyographyNarrower topic: EMG may show short, small motor-unit potentials and early recruitment in affected muscles.SarcopeniaNarrower topic: Myopathy is a broad category of muscle disease; sarcopenia is a distinct syndrome with multiple contributors.MyotoniaNarrower topic: Myotonia is a muscle-function sign that may occur within particular myopathies.AstheniaBroader topic: Muscle disease is one specific source of the weakness described by asthenia.MyalgiaRelated: Some myopathies cause myalgia, while others produce weakness with little or no pain.