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The Virtual Short Physical Performance Battery.

Anthony P Marsh1, Abbie P Wrights2, Eric H Haakonssen2

  • 1Department of Health and Exercise Science, Wake Forest University, Winston-Salem, North Carolina. marshap@wfu.edu.

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|April 2, 2015
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Summary
This summary is machine-generated.

A new virtual Short Physical Performance Battery (vSPPB) accurately measures older adults' physical function. While similar to the objective SPPB, the vSPPB offers unique insights, especially for those with lower function.

Keywords:
AgingAnimationLower extremity physical function

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Area of Science:

  • Gerontology
  • Rehabilitation Medicine
  • Biomedical Engineering

Background:

  • Objective and self-report measures of physical function offer complementary data in older adults.
  • Identifying discrepancies between actual and perceived physical function is crucial for clinical interventions.
  • The Short Physical Performance Battery (SPPB) is a common objective measure of physical function.

Purpose of the Study:

  • To develop a novel, video-animated, self-report measure, the virtual SPPB (vSPPB).
  • To create a self-report tool that parallels the objective physical function domains assessed by the SPPB.
  • To assess the utility of the vSPPB in identifying older adults with a mismatch between actual and perceived function.

Main Methods:

  • Administered the SPPB, vSPPB, Pepper Assessment Tool for Disability, Mobility Assessment Tool-short form, and 400-m walk test to 110 older adults.
  • Examined the one-week test-retest reliability of the vSPPB in 30 participants.
  • Analyzed correlations between SPPB and vSPPB component scores and overall scores.

Main Results:

  • The total SPPB and vSPPB scores were nearly identical (mean scores 7.7±2.8 and 7.7±3.2, respectively).
  • Moderate correlations were found between total SPPB and vSPPB scores (r = .601, p < .05) and component scores (all p < .01).
  • The vSPPB demonstrated high reliability (intraclass correlation = .963, p < .05). Older adults with lower function overestimated lower extremity function, while all overestimated chair stand ability; gait speed perception was accurate.

Conclusions:

  • The vSPPB is a reliable and valid self-report measure of physical function in older adults.
  • Despite high overall score similarity, the moderate correlation suggests the SPPB and vSPPB provide distinct perspectives on physical function.
  • The vSPPB can help identify older adults who overestimate their physical capabilities, informing targeted interventions.