LB is the abbreviation of Latin libra, which means "pound", lbs is the plural form of pound, 5LBS, 5 lbs, and so on. A five-pound dumbbell is a five-pound dumbbell. Then 1lb is 1LB.

Fitness equipment is often divided into single function and comprehensive multi-function according to the number of training functions. Commonly used are rowing machines, exercise bikes, walking machines, treadmills, waist-beautifying machines and so on.

The greater the number of pounds of fitness equipment, the higher the requirements for users, so generally speaking, you should choose fitness equipment that suits you to prevent physical injury caused by inadaptability.