<![CDATA[Abstract. This study aims to analyze and evaluate the potential musculoskeletal injuries experienced by PKP-PK personnel at Ahmad Yani International Airport Semarang during the manual fire hose rolling activity. The method used for posture analysis is Rapid Upper Limb Assessment (RULA), which functions to identify and assess the risk level of injuries to the body parts involved in the activity. Manual hose rolling can pose a serious risk of injury to the lower back and waist, as the posture often used is not ergonomic. This activity requires repetitive movements that can increase the physical strain on the body, especially on the lower back muscles, wrists, and arms, potentially leading to long-term injuries such as back pain or disorders to other body structures. The results of the RULA analysis show that most respondents obtained scores indicating a high risk of musculoskeletal injury, particularly in the areas most affected, namely the waist and lower back. Based on these findings, this study proposes the design of a hose rolling assistive device, the RollHandline Multifunction, which is designed to reduce physical strain and improve ergonomic posture during the hose rolling activity. This device is expected to minimize pressure on the waist and lower back, as well as reduce the need for excessive physical exertion.]]>
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