There are a lot of really great reasons to join a gym, ranging from the convenience that a gym offers to the dedicated trainers and equipment that they have available. Normally, when exercising, it can be difficult to wrench yourself away from the day-to-day things that keep you busy, but at a gym you can focus exclusively on exercising. It can also be difficult to know how to properly utilize workout equipment or certain muscles without the guidance of a personal trainer. Best of all gyms are cheap for the types of equipment that space that they provide.
It is all too easy to abandon weight lifting to go answer the phone or stop your treadmill run to check the internet when at home. Distractions that interrupt your workout do much more damage than you think as your heart rate begins to drop. When you sit down, all of the strain from your work out hits you, making it more difficult to get back into your routine than if you had just stuck to it. All of these distractions dissolve away when you are at the gym and completely disconnected from your worries at home. The professional environment keeps you focused on your exercise and helps you attain the concentration that you need in order to successful reach your work out goals.
When working on a piece of exercise machinery it is sometimes difficult to navigate all of the different modes properly to train the correct muscles. Without the aid of a personal trainer you could be overdoing certain muscles while completely ignoring other ones. Having a trained guide working with you to achieve your goals also has the benefit of giving you added confidence and motivation to keep on going. Also, when lifting heavy weights it never hurts to have a spotter either or just someone to help keep you company.
Purchasing your own exercise equipment can be very expensive and space intensive. It can be difficult to have all of the different pieces of equipment you need to have a proper exercise variety at home. At a gym, all of the equipment that you need will be available and kept in good condition for you to use. You will have plenty of space to move around and utilize the different pieces of equipment at your leisure as well. Besides, no one has room in their home to utilize multiple pieces of exercise equipment let alone the time to research which pieces are actually the most useful.