Handbags   (The sad, the bad and the ugly. Non-productive stuff here.)

I considered myself reasonably fit because I walk every afternoon and evening and attend a cardiac class.
Last Friday I went to the gym, not been for 12 months, and did the treadmill, rowing machine and lifted some light weights.
Woke up Saturday morning with aching knees and my back "gone"(it still is)
So my dilemma is, do I continue going and hope I overcome this problem, or do I accept that I'm past it.
I am 70 in December.