There are many great outdoor activities that you can do to increase your level of physical fitness. Kayaking, stand-up paddle boarding, and jumping on a trampoline are all excellent forms of exercise. Many of these activities are great ways to improve your upper body strength, which is important for people who have problems with their total strength. In addition, you can also try activities such as horseback riding, which can help build up your muscles and improve both your mental and physical well-being.