Exercise & Training

A mobile exercise management application based on exercise preferences in older adults with mild cognitive impairment: a development and usability study.

TL;DR

This 4-week, single arm usability study demonstrates that preference-driven mobile exercise management is not only feasible but also holds promise for promoting exercise engagement in community-dwelling individuals with MCI.

Key Findings

The mobile exercise management application demonstrated good usability among older adults with mild cognitive impairment.

  • Twelve participants completed the 4-week usability evaluation (age = 70.60 ± 3.21; MoCA = 21.67 ± 2.23)
  • System Usability Scale (SUS) score was 77.73 ± 6.73, indicating good usability
  • Users highly valued the application's real-time monitoring, motivational features, and intuitive interface
  • Most participants reported no significant usability issues

Two specific usability optimization targets were identified: functional integration and initial technical support needs.

  • Functional integration scored low (item 5 converted score = 2.67 ± 0.49)
  • Initial technical support needs were identified as an area requiring improvement (item 7 converted score = 2.33 ± 0.49)
  • User feedback identified critical optimization needs in exercise type diversity and initial technical support

Exercise adherence was high among participants using the preference-driven application.

  • The median exercise adherence (exercise goal completion rate) was 100.00% (IQR: 87.48, 100.00)
  • 75% (9/12) of participants achieved or exceeded their weekly exercise goals
  • The study was conducted over 4 weeks with community-dwelling older adults with MCI

Exercise preference agreement rates were high for environment and modality, but showed considerable variability.

  • Environment preference agreement rate: 100.00% (IQR: 93.55, 100.00)
  • Modality preference agreement rate: 97.83% (IQR: 63.40, 100.00)
  • The modality preference agreement rate showed considerably wider variability than the environment preference agreement rate

There was a strong positive correlation between exercise environment and modality preference agreement rates.

  • Spearman rho = 0.817 (p = 0.001) between environment and modality preference agreement rates
  • This indicates a synergistic relationship between exercise environment and modality preference agreement
  • Participants who maintained their preferred environment tended to also maintain their preferred exercise modality

Preference agreement rates were not associated with exercise adherence.

  • No statistically significant association was found between preference agreement rates and adherence (p > 0.05)
  • This finding 'underscores the need for longitudinal studies to explore dynamic preference-behavior interactions'
  • The absence of correlation suggests preference agreement alone does not explain exercise adherence in this sample

The study employed a three-phase mixed-methods development process to create the application.

  • Phase 1 (Formative research): key design elements were identified based on evidence from existing interventions and users' exercise preferences self-selected by participants
  • Phase 2 (Prototype design and development): an iterative methodology was used to design, develop, and test the application's functionality
  • Phase 3 (Usability evaluation): a 4-week usability evaluation was conducted with community-dwelling older adults with MCI
  • The study targeted community-dwelling older adults as opposed to institutionalized populations

Technology adoption barriers and memory-associated challenges were identified as important considerations for this population.

  • Barriers including self-efficacy and digital literacy were noted as relevant to technology adoption in older adults with MCI
  • Memory-associated challenges specific to MCI were identified as necessitating multimodal objective monitoring
  • The authors highlight two implementation priorities: 'prioritizing accessibility in exercise environments and incorporating personalized adaptation strategies to address exercise pattern variability'

What This Means

This research describes the development and initial testing of a smartphone app designed to help older adults with mild cognitive impairment (MCI) — a condition involving noticeable memory and thinking changes that can progress to dementia — stay physically active. The app was built around each person's own exercise preferences, letting them choose where and how they like to exercise. Twelve older adults with MCI used the app for four weeks, and the results showed the app was easy enough to use (scoring well on a standard usability scale), with most participants completing 100% of their weekly exercise goals and three-quarters meeting or exceeding those goals. The two main areas needing improvement were the variety of exercise types offered and the amount of technical help provided at the start. The research also found that when participants exercised in their preferred environment, they also tended to stick to their preferred type of exercise — these two preferences moved together in a strongly correlated way. However, whether someone matched their exercise preferences did not predict how well they stuck to their overall exercise goals, suggesting that factors beyond preference-matching influence adherence. The study also noted that challenges like low confidence with technology and memory difficulties common in MCI may need to be addressed with additional support strategies. This research suggests that building exercise apps around personal preferences is feasible and potentially useful for people with MCI, a group that often struggles to maintain regular physical activity. Because exercise may help slow the progression of cognitive decline, tools that make it easier to stay active could be meaningful for this population. However, the study was small (12 people) and short (4 weeks), so larger and longer studies are needed to understand whether preference-based apps truly improve long-term exercise habits and cognitive outcomes.

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Citation

Yang Y, Zhou S, Li Z, Chen Z, Chen Z, Sun H, et al.. (2026). A mobile exercise management application based on exercise preferences in older adults with mild cognitive impairment: a development and usability study.. BMC geriatrics. https://doi.org/10.1186/s12877-026-07645-x