Fitness First Usa

Is three days a week at a gym enough?
I usually work out at home..I joined a gym for the first time because I wanted my arms to get bigger…heres a pic of my body..is 3 days enough at a gym?Fitness USA only allows 3 days for men and than 3 for women..???? How is only three days enough for anyone?
Just joined today .

I just turned 22 im 5f8 146lbs..
yes its enough!
TACFIT Tactical Fitness: First In – Last Standing

