Physical activity is the most important component of human life in maintaining health. Its assessment in physiotherapy assessment is little represented and is not given enough importance. The aim of this thesis is to show the simplicity and usefulness of using physical activity assessment in young people. This thesis explains physical activity, contains recommendations for physical activity for young people, reviews methods for measuring physical activity, and describes the benefits of physical activity and the risks of lack of physical activity. The research was conducted with the purpose of proving the simplicity of the application of the IPAQ questionnaire short version in measuring physical activity on 4 students with bachelor's degrees in health studies. This thesis used the short version of the IPAQ questionnaire and a pedometer as a direct measurement of physical activity. As a result of the thesis, it was established that the short version of the IPAQ questionnaire and the pedometer can be used in a wider application in the physiotherapy assessment of physical activity, and their accessibility and simplicity have shown that they are an excellent tool in measuring physical activity that can lead to a change in behavior in a short time