Rowing Machine Fitness

I’m a 14 yo. boy, ~90kg I used to swim a lot and have very strong arms (I can beat just about anyone in my year of 293 students at arm-wrestling) but little leg power. I’m going to a gym now,(not for weights, i stay away from them, but use treadmills, stairmasters, cycling machines once [...]

i want to hire a machine for a while and the general options from what i can see are ellipticals, treadmills, exercise bikes and rowing machines. Please tell me if you have had experience with these machines and what is best for losing generalized weight as well as perhaps slimming thighs (but not those day [...]