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Arch Phys Med Rehabil. 2018 May;99(5):927-933. doi: 10.1016/j.apmr.2018.01.014. Epub 2018 Feb 8.

Aerobic Stimulus Induced by Virtual Reality Games in Stroke Survivors.

Author information

1
Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, SP, Brazil.
2
Motor Behaviour Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, SP, Brazil.
3
Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, SP, Brazil. Electronic address: cforjaz@usp.br.

Abstract

OBJECTIVE:

To evaluate whether virtual reality games (VRGs) in stroke survivors produce significant and reproducible heart rate and oxygen consumption (V˙o2) responses during their execution, corresponding to an intensity between the anaerobic threshold (AT) and the respiratory compensation point (RCP).

DESIGN:

Single-subject, repeated-measure design.

SETTING:

Stroke survivors registered from a rehabilitation program.

PARTICIPANTS:

Chronic hemiparetic stroke survivors (N=12; 10 men; mean age ± SD, 58±12y) rated at 3 or 4 in the Functional Ambulation Categories.

INTERVENTIONS:

Participants underwent, in a random order, 2 identical sessions of VRGs (console Xbox 360 + Kinect) and 1 control session (38min watching a movie). The VRG sessions were composed of 4 sets of VRGs (3min of tennis, 1min for changing the game, and 4min of boxing) interspaced with 2 minutes of rest.

MAIN OUTCOME MEASURES:

Heart rate and V˙o2 were measured during the experimental sessions and compared with heart rate and V˙o2 obtained at AT and RCP assessed during a maximal cardiopulmonary exercise test.

RESULTS:

Heart rate and V˙o2 during VRGs had good reproducibility (intraclass correlation coefficients, ≥.91 and ≥.85, respectively; coefficients of variation, ≤6.7% and ≤13.7%, respectively). Heart rate during VRGs was similar to AT and significantly lower than RCP (P≤.05), while V˙o2 was significantly lower than AT and RCP (P<.05).

CONCLUSIONS:

An acute session of VRGs composed of tennis and boxing games using the console XBox 360 + Kinect promotes reproducible responses of heart rate and V˙o2 that corresponded, respectively, to AT and below AT, characterizing a low-intensity aerobic stimulus.

KEYWORDS:

Anaerobic threshold; Heart rate; Oxygen consumption; Rehabilitation; Stroke; Virtual reality exposure therapy

PMID:
29428343
DOI:
10.1016/j.apmr.2018.01.014
[Indexed for MEDLINE]

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