Transformation and Evaluation of Standing Postural Control in Older Adults: Mechanisms, Clinical Assessments, and Technological Advances

This chapter explores the mechanisms, age-related changes, and clinical assessments of standing balance control in older adults, with an emphasis on emerging technological approaches. It first outlines how multisensory integration of visual, vestibular, and somatosensory inputs contributes to maintaining postural stability and how aging impairs these processes through reduced sensory sensitivity, muscle strength, and neural processing speed. It then reviews conventional clinical assessments, ranging from simple screening tools such as the One-Leg Standing Test and Timed Up and Go test to comprehensive scales such as the Berg Balance Scale and Mini-BESTest, along with quantitative methods such as the Index of Postural Stability. Finally, the chapter highlights the technological innovations, including light-touch–based devices, virtual and augmented reality systems, and wearable sensors, that enable the detection of subtle balance deficits and monitoring in real-world contexts. By integrating these technologies into clinical practice, clinicians can achieve higher diagnostic precision, continuous monitoring, and personalized rehabilitation strategies that directly improve the functional outcomes. Collectively, these sections provide an integrated framework for understanding and evaluating postural control in aging populations.