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    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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    Poll: what's your pattern of muscle weakness?

    I recall seeing a swimmer talking about fast twitch & slow twitch muscle. I wonder if I still have a bit of fast twitch function but have lost slow twitch.
  2. E

    Poll: what's your pattern of muscle weakness?

    I have a definite pattern of weakness in upper arms & thighs so I lift onjects with the muscles in my forearms & when driving I use pedals "from the ankles" keeping quads still. I can't maintain an action e.g. Can"t hold a drink without having to put it down. Resting it e.g. on the arm of a...