Buying guide: what to know before buying Smith machines online
The function of the Smith machines is to help you stabilize your weight, as they consist of a straight bar supported by a frame that is guided by two rods.
Through these machines you can perform from squats and shoulder presses to bench presses. In the following video we tell you the benefits of having a Smith machine at home and what training possibilities they offer:

The first thing you have to decide is if you want the machine for home, semi-professional or professional use.
Then you have the option to buy Smith machines with a built-in bench or if you prefer without accessories depending on the body areas you want to work.
Technical characteristics of the Smith machines
Dimensions
The size of the Smith machines refers to the space they occupy, a fundamental aspect if you do not have enough space at home. Therefore, before purchasing the machine, take into account this factor so that you can exercise without any inconvenience.
Seat and backrest
If the machine has a built-in bench, it is important to pay attention to the dimensions of the seat and back of the bench so that it fits your body. The backrest is adjustable and each model indicates the degree of inclination it reaches.
Extensions or Accessories
Some Smith machines have extensions or accessories to train more variety of exercises in the machine as the Leg Developer, the Arm Curl Pad, among others.
Maximum weight supported
The maximum weight supported is directly related to the resistance of the bench. Depending on the model of Smith machine you purchase the maximum weight is different. Therefore, make sure that there is a certain difference between your weight and the maximum weight supported by the machine to guarantee your safety during the training. You should also take into account the maximum load that the Smith guided bar, user and pulleys have so as not to exceed this figure.
Which are the benefits of training on Smith machines?
Pressing with Smith machines brings numerous benefits such as the development of muscle mass in the upper body. In addition, it increases the overall press strength and locking force. If you are an amateur or have just recovered from injuries this is a good option.
It also provides safety to the user by allowing him to do squats on it without the need for a companion to help him lift the bar.
How should you take care and maintain Smith machines?
Regarding the care of the Smith machines, it is important to check from time to time that the joints of the machine are not rusty and to grease it regularly so that the joints and connections of the machine are in optimum condition. It should also be checked that no parts are missing from the machine as this can affect the training and harm the user when performing the exercise.
It is also essential to clean the bars and the machine after each training session, preferably with soap or disinfectant. This will ensure the longevity of the machine and safety during each workout.