Gym is actually the shortened term for gymnasium Gyms were very important spaces to ancient Greeks they were where the Greeks practiced various sports such as boxing. self defense. and took care or their overall physical stress, engaged in physical therapy and studied subjects as philosophy. The first am the united States of America (USA) was established in 1925 by a in German doctor named Beck Gymnasiums in public schools were also established in the 1920s Today's gyms offer a variety of indoor activities, amenities, and events. And just like fitness centers. there are many sizes and types. Some gyms focus solely on weight training or lifting in fact, that was your typical gym. Others are equipped with cardiovascular machines, and/ or offer classes. Specific activity gyms also include aerobics, martial arts, and Pilates. There are also 24-hour gims which as the name implies, are open 24 hours a day; women-only gyms such as Curves; religious Gyms, and family gyms