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Re: strength and stamina

John, doctors refer to that effect as the warm-up phenomenon. It's one of the hallmarks of myotonia.

It seems to be fairly common for people with Becker's to develop weakness as they get older. It has something to do with potassium balance and sometimes it can help to take a very small amount of potassium (although larger doses will make the stiffness worse).

With myotonia congenita there is a strange response to strength training. The body tries to compensate by making type IIB fibers but after they form, they atrophy. So every time you go to the gym it's like you're starting over and didn't get any benefit from the previous workouts.

Are you taking any new medications? The statin drugs to lower cholesterol can make myotonia much worse. Any time someone tells me they saw a pretty drastic change over a short period of time, I suspect medications causing it. I'll paste in a list of contraindicated medications below.

Jan

Statin Trade Name

Advicor
Altocor
Altoprev
Atorlip
Baycol
Caduet
Canef
Crestor
Inegy
Lescol
Lipex
Lipitor
Lipobay
Lipostat
Lipvas
Livalo
Mevacor
Pitava
Pravachol
Selektine
Simcard
Simcor
Simlup
Sortis
Torvacard
Torvast
Totalip
Tulip
Vytorin
Zocor

Statin Generic Name

Lovastatin
Atorvastatin
Cerivastatin (withdrawn 2001)
Atorvastatin with Amlodipine (Norvasc)
Fluvastatin
Rosuvastatin
Simvastatin with Ezetimibe (Zetia)
Pravastatin
Pitavastatin

BETA BLOCKERS

Non Selective Beta Blockers

Propranolol
Sotalol
Timolol
Pindolol
Levobunolol
Nadolol
Metipranolol

Cardioselective Beta Blockers

Atenolol
Acebutolol
Metoprolol
Bisoprolol
Esmolol
Betaxolol
Nebivolol

Alpha and Beta Blockers

Labetalol
Carvedilol

Type of Myotonia: Thomsen's

Country: US

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Re: strength and stamina - by John - Dec 2, 2014 6:29pm
Re: strength and stamina - by Jan (moderator) - Dec 11, 2014 7:34am
Re: strength and stamina - by Leroy - Dec 3, 2014 12:35am
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