I've been bicycling for six months now. 20 miles a day, 40 to 50 miles on Saturdays. I've lost 68 pounds of fat. However I've noticed that my upper body muscle mass is disappearing as well. I never lost any muscle in my upper body while I wasn't exercising. Why am I losing it now? However my legs are very lean powerhouse of muscle now.
I am not interested in lifting weights. I tried that for a while and discovered that I not only dislike lifting weights, I loathe it. Is there anything else I can do to prevent further muscle loss, and why am I losing it now that I am exercising?
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