| The application of sport mechanism for healthy with varied loads is an interesting tool which many people used it. This sport tool is rarely found in local industrial, if produced, that product difficult to sold if compared with import's product. One idea from academic is designed and produced the sport tool which high quality and good performance and cheaper. As the first stage of design, is made a compact and two-function sport tool system and its theoretical design and analysis based on engineering design and applied mechanics discipline to be discussed and presented. |