This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Clinical features

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

  • characterized clinically by recurrent and reversible exercise-induced symptoms of exercise intolerance including ready fatigue, myalgia, cramps, weakness, second wind phenomenon*, myoglobinuria, and hyper CKaemia
    • pain is experienced in everday activities such as chewing, writing, gripping and personal and household chores
    • symptoms are experienced from childhood
  • usually, these symptoms develop in association with intense or sustained exercise
    • however later in life progressive (fixed) muscle weakness may occur

* a ‘second wind’ is usually experienced after 8-12 minutes of gentle aerobic exercise, when free fatty acids and bloodbourne glucose substitute for muscle glycogen and exercise tolerance is increased.


Create an account to add page annotations

Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.

The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

Connect

Copyright 2024 Oxbridge Solutions Limited, a subsidiary of OmniaMed Communications Limited. All rights reserved. Any distribution or duplication of the information contained herein is strictly prohibited. Oxbridge Solutions receives funding from advertising but maintains editorial independence.