David,
It doesn't sound like you ever broke anything or you would know how quickly you lose muscle. That's why they get us into PT as soon as possible. No one is suggesting you go out and hike 5 miles. Just don't lie around in bed all day doing nothing until the treatment makes it impossible for you to take a 10 minute walk or whatever you like that keeps you moving. Stretching also works.

Take care,
Eileen



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Aug 1997 unknown primary, Stage III
mets to 1 lymph node in neck; rt ND, 36 XRT rad
Aug 2001 tiny tumor on larynx, Stage I total laryngectomy; left ND
June 5, 2010 dx early stage breast cancer
June 9, 2011 SCC 1.5 cm hypo pharynx, 70% P-16 positive, no mets, Stage I