(1) General fitness equipment

It belongs to comprehensive training equipment; It can be used by multiple people to perform cyclic or selective exercises on a single device at the same time. This type of fitness equipment is large, versatile, and expensive, suitable for use in government agencies or school gyms. It should be noted that although a treadmill is a systemic fitness device, it only adds functions such as rowing, pedaling, push-ups, waist rotation, and massage to the single function treadmill, so it is not very bulky and is also suitable for home gyms.

(2) Local fitness equipment

Most of them are specialized training equipment, with a compact structure and an area of about 1 square meter. Most of them can be folded, and some are also interesting. Its function is relatively simple, mainly focusing on the exercise of local muscle groups. This type of device includes both power types that use counterweights and hydraulic cylinders as heavy loads, as well as non power types that use their own power, requiring no disassembly or assembly. Some are also equipped with electronic display devices such as time, speed, distance, and heart rate, allowing the exerciser to control the amount of exercise on their own. Therefore, it is popular among fitness enthusiasts and is the "protagonist" of family gyms.

(3) Small fitness equipment

Although small in size, the value of exercise is not low. Taking the adjustable dumbbell as an example, it is not only suitable for people of different ages, genders, and physiques to practice, but also can exercise various muscles throughout the body, making it a device for enthusiasts. Another example is a spring tensioner, which is lightweight, compact, and inexpensive, both convenient for storage and easy to carry; It can also achieve the goal of fitness and physical fitness. Small fitness devices such as fitness balls are suitable for the elderly.