The book titled Human Functional Performance is a function focused text documenting physical functional performance indices both in health and diseased conditions. Written by an author who has seen human functional performance indices from many ends, and supported by an expert in physiology of exercise, it is a text that forms a good base of knowledge for its readers whether as a starter or an experienced person. This text has compared functional performance indices between two groups of people who have common cofounding variables for developing chronic diseases and complications and objectively documented their status. The text also went further to explain the possible reasons for the observation of differences and similarities where they existed. The text defines the relationship of body components and health-related physical fitness indices with functional physical performance and how those variables can be tested. The content of the text has been thoroughly researched and will do the readers a lot of good in terms of knowledge acquisition on the subject covered.