If there is no injury to the knee, then it is not necessary to wear a knee pad. If you have knee pain, you need to determine whether you should wear a knee pad or a patella band based on the location of the pain.
Strength training. Knee joint maintenance starts with muscle strength training. Each joint is stretched by muscles. If the muscles around the joints are strong, it can give the joints a strong protection. Under such protection, even relatively high and vigorous exercises. When the knee joint easily deviates from the line of force, it will not cause meniscus or ligament damage.
It is understood that walking or running outdoors with more green plants, beautiful scenery, and rich in oxygen ions burns 10% more calories than running on a treadmill. Relatively rugged outdoor roads will produce greater friction; affected by natural wind