Attentional Focus Training on Visuomotor Control in Older Adults

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age65+
SponsorThe Hong Kong Polytechnic University

About this trial

This study will be a pilot randomized controlled trial, to investigate the effectiveness of an external focus training on visuomotor performance while comparing with an active control group.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

aged 65 or above

able to walk independently indoor for at least 40 metres

static visual acuity score 20/40 or above

scoring 22/30 or above in the Montreal Cognitive Assessment Hong Kong version

Disqualifiers

none

Trial design

Design model

Parallel

Treatments tested in this trial

  • Attentional focus

    Behavioral

    Every training session will include the following activities for both groups: a 5-minute warm-up; a 30-minute walking training; and a 5-minute cool-down. The walking training will be conducted within a level-ground walking field. Participants will be instructed to look at and step on specific markers/labels that will be attached along the walking paths.

  • Control

    Behavioral

    Every training session will include the following activities for both groups: a 5-minute warm-up; a 30-minute walking training; and a 5-minute cool-down. The walking training will be conducted within a level-ground walking field. No markers/labels will be attached and no relevant instructions will be provided apart from the general instruction.

Treatment groups

16 Participants
are divided into 2 treatment groups
Group A: EXTExperimental treatment 1 intervention
Group B: CONActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

Gait stability - variability of stride time

measured by a 3-D motion capture system; stride time is defined as the interval between two consecutive heel strikes of the same foot; the variability measure is represented by the coefficients of variation (CV) \[(standard deviation/mean) × 100\]

Time frame
baseline (pre-intervention), immediately after intervention (post-intervention)
2

Gait stability - variability of stride length

measured by a 3-D motion capture system; stride length is defined as anterior-posterior (A-P) distance between two consecutive heel strike positions of the same foot; the variability measure is represented by the coefficients of variation (CV) \[(standard deviation/mean) × 100\]

Time frame
baseline (pre-intervention), immediately after intervention (post-intervention)
3

Gait stability - variability of step width

measured by a 3-D motion capture system; step width is defined as medial-lateral (M-L) distance between two consecutive heel strike positions of the opposite feet; the variability measure is represented by the coefficients of variation (CV) \[(standard deviation/mean) × 100\]

Time frame
baseline (pre-intervention), immediately after intervention (post-intervention)
4

Visual search behaviours - location of fixation

measured by a wireless eye tracker; recorded the location that the gaze is fixated on

Time frame
baseline (pre-intervention), immediately after intervention (post-intervention)

Secondary outcomes

1

Functional balance and gait

measured by the Tinetti Balance Assessment Tool; min: 0; max: 28; higher scores reflect better functional balance and gait

Time frame
baseline (pre-intervention), immediately after intervention (post-intervention)
2

Falls efficacy

measured by the Chinese version of the Falls Efficacy Scale International; min: 16; max: 64; higher scores reflect greater concern about falling

Time frame
baseline (pre-intervention), immediately after intervention (post-intervention)
3

Conscious movement processing

measured by the Chinese version of the Movement Specific Reinvestment Scale; min: 10, max: 60; higher scores reflect higher propensity for conscious movement processing

Time frame
baseline (pre-intervention), immediately after intervention (post-intervention)
4

Functional balance

measured by the Berg Balance Scale; min: 0; max: 56; higher scores reflect better functional balance

Time frame
baseline (pre-intervention), immediately after intervention (post-intervention)

Other outcomes

Locations

This trial has no locations.

Sponsors and contacts

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