I am 79 yrs old. Male…I have been VERY active all my life….My arm strength has decreased to the point where I have trouble lifting 20 pounds….
As a young man I was a construction laborer and could easily lift 100 pounds…
My biceps have turned to mush….
I do exercise for my arms daily with light weights and many repetitions….
I just can not gain any muscle …What`s happening????
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