I'm an ectomorph and because of lots of reasons, I cannot (or chose not to) do weights. But I can work on cardio (run, swim etc.)
Is this a good idea (only cardio but no weights)?
My diet is fairly good. I eat my veggies/meat/fruits, don't skip meals and eat sizeable proportions and stuff.
I enjoy an occasional beer or wine. I'm afraid of the beer gut/beer belly but am also interested in staying fit for the reason of staying fit.
Ideally, I'm looking for anything (a regime, advice, reference whatever) to keep me fit while avoiding weights WITH consideration to my body structure.
EDIT: The reason I am against doing weights is because my work is highly demanding when it comes to the use of hands and in the past, even a slight workout leaves me numb and sore (I know I can tone it down and stuff but I really don't want to risk it).