【Content】 This book provides a detailed explanation of the "kinetic chain" concept in physical therapy, from its fundamentals to clinical applications, by experts in various fields. It allows for a multifaceted understanding of the body's connections, including the relationships between the upper limbs, lower limbs, and trunk, as well as the chain reactions in walking and sports movements. 【Condition】Cut (for easier reading/scanning) and some markings with a highlighter. 【Recommended for】 ・Physical therapists and occupational therapists who want to deeply understand the concept of the kinetic chain ・Athletic trainers and sports instructors ・Those interested in the body's connections and movement analysis Thank you for your consideration.