Description

The Mobility Inventory (MI) is a standardized assessment instrument designed to evaluate an individual’s mobility, functional movement capacity, and level of independence in daily life. The questionnaire provides a comprehensive evaluation of the ability to move safely and effectively in different environments, assessing both basic and more complex mobility-related activities. It is widely used to identify functional limitations, monitor changes in mobility over time, and support the planning of individualized rehabilitation and therapeutic interventions.

The Mobility Inventory evaluates several essential dimensions of functional mobility, including activities of daily living, walking ability, stair negotiation, use of assistive devices, transfers, community mobility, and overall independence during movement. These domains provide valuable information regarding an individual’s functional status, physical autonomy, and capacity to perform everyday activities without assistance.

Mobility is recognized as one of the most important determinants of healthy aging, physical functioning, and quality of life. Reduced mobility has been associated with increased fall risk, functional disability, frailty, hospitalization, and loss of independence. Consequently, systematic mobility assessment plays a crucial role in early identification of functional decline and in evaluating the effectiveness of rehabilitation programs.

The Mobility Inventory (MI) is extensively used in physical therapy, rehabilitation medicine, geriatrics, neurology, orthopedics, occupational therapy, sports medicine, public health, nursing, and clinical research, where it serves as a practical instrument for assessing functional mobility across a wide range of patient populations.

Data Analysis and Use

Data obtained from the Mobility Inventory (MI) are analyzed using standardized clinical and psychometric procedures designed to evaluate an individual’s overall mobility and functional independence. The questionnaire examines performance across multiple domains, including activities of daily living, mobility under different environmental conditions, walking ability, stair climbing, use of mobility aids, and functional autonomy.

Statistical analysis typically begins with descriptive statistics, including means, standard deviations, frequency distributions, skewness, and kurtosis. Psychometric evaluation commonly includes analyses of internal consistency, test–retest reliability, construct validity, criterion validity, convergent validity, discriminant validity, and confirmatory factor analysis (CFA) where appropriate. The questionnaire may also be used in longitudinal analyses to evaluate functional changes following rehabilitation or medical treatment.

The Mobility Inventory is frequently incorporated into correlation analyses, regression models, repeated-measures analyses, structural equation modeling (SEM), and comparative studies involving different age groups or clinical populations. Researchers commonly investigate relationships between mobility and variables including balance, muscle strength, fall risk, functional independence, activities of daily living, quality of life, frailty, rehabilitation outcomes, neurological disorders, musculoskeletal conditions, and healthy aging.

The results provide valuable information for physiotherapists, rehabilitation specialists, physicians, occupational therapists, nurses, geriatricians, and researchers seeking to identify mobility limitations, monitor clinical progress, evaluate intervention effectiveness, and develop individualized rehabilitation programs.

Objective

The primary objective of the Mobility Inventory (MI) is to provide a reliable and comprehensive assessment of functional mobility and movement independence. The instrument enables healthcare professionals to identify mobility limitations, evaluate the degree of functional autonomy, monitor changes over time, and guide the development of individualized therapeutic and rehabilitation strategies aimed at improving mobility, independence, and overall quality of life.

Scoring

The Mobility Inventory (MI) is completed by the individual or by a healthcare professional based on direct observation and the participant’s responses regarding everyday mobility. Individual responses are analyzed according to standardized scoring procedures to generate an overall evaluation of mobility, functional movement capacity, and independence. The results are summarized to provide a comprehensive profile of the individual’s mobility status and functional needs.

Higher scores generally indicate better functional mobility, greater independence in daily activities, and improved ability to move safely across different environments. Lower scores suggest greater mobility limitations, increased dependence on assistance or mobility aids, and a higher need for rehabilitation or supportive interventions. Interpretation of the assessment should always be based on standardized administration procedures and considered alongside the individual’s medical history, physical condition, and functional goals.

References

Berg, K., Maki, B., Williams, J. I., & Wood-Dauphinee, S. (1992). The Berg Balance Scale: A Comprehensive Review. Physical Therapy, 70(2), 135–143.

Horak, F. B. (2002). Postural Orientation and Equilibrium. In Principles and Practice of Geriatric Medicine (7th ed.).

Fritz, S., & Lusardi, M. (2009). Mobility and Its Assessment. Journal of Aging Research, 2010.