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Related Experiment Videos

Using social-cognitive constructs to predict preoperative exercise before total joint replacement.

Bonnie Fiala1, Ryan E Rhodes2, Chris Blanchard3

  • 1British Columbia Ministry of Health.

Rehabilitation Psychology
|May 30, 2013
PubMed
Summary
This summary is machine-generated.

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Preoperative exercise in total joint replacement (TJR) patients is limited by pain. However, self-regulation and task efficacy for walking significantly predict walking behavior before TJR surgery.

Area of Science:

  • Orthopedics
  • Rehabilitation Science
  • Health Psychology

Background:

  • Total joint replacement (TJR) surgery is a common procedure for advanced osteoarthritis.
  • Preoperative exercise and walking are encouraged to improve surgical outcomes.
  • Understanding factors influencing patient behavior is crucial for effective interventions.

Purpose of the Study:

  • To apply social-cognitive theory to understand preoperative exercise and walking behavior in individuals awaiting TJR surgery.
  • To identify predictors of exercise and walking behavior in this patient population.

Main Methods:

  • A sample of 78 individuals awaiting TJR completed measures assessing social-cognitive theory constructs, including efficacy beliefs, self-regulation, and environmental factors.
  • Validated instruments like the Western Ontario and McMaster Universities Arthritis Index (WOMAC) were used to assess pain and physical function.

Related Experiment Videos

  • Statistical analyses, including independent t tests and regression, were employed to examine relationships between variables.

    • Main Results:

    • Over half (55%) of the participants were inactive, with no significant differences based on surgery type, gender, or age.
    • Social-cognitive theory constructs did not significantly predict overall exercise behavior; only pain emerged as a significant negative predictor (β = -.31).
    • For walking behavior specifically, task efficacy for walking (β = .55) and self-regulation (β = .24) explained 32% of the variance.

    Conclusions:

    • Pain associated with advanced osteoarthritis significantly hinders preoperative exercise in TJR patients.
    • Interventions targeting self-regulation and task efficacy for walking may effectively increase walking behavior prior to TJR.
    • While social-cognitive theory had limited predictive power for general exercise, it showed strong capability in explaining specific walking behaviors.