Project Hypnos: The Impact of a Brief Hypnosis Intervention on Single-limb Dynamic Balance in People With Chronic Ankle Instability

Ohio University24 enrolled

Overview

This study will determine the relationship of one's self-reported awareness of their body and their ankle motor control for people with chronic ankle instability. This study will further identify the correlates between certain psychological characteristics (i.e., fear and anxiety) and autonomic nervous system arousal (i.e., heart rate variability). Furthermore, this study will elucidate the potential impact of a brief hypnosis practice on balance performance.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Ankle Sprains Motor Coordination or Function; Developmental Disorder

Interventions

Eligibility

Sex: ALLMin age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * History of one significant ankle sprain * Experiences of instability in the ankle, determined by a score of \> 11 on the Identification of Functional Ankle Instability (IdFAI) questionnaire * An overall sensation of disability, determined by a score of \< 90% on the Functional Ankle Ability Measure (FAAM) questionnaire Exclusion Criteria: * If the participant's initial ankle sprain was within the past twelve months or the most recent ankle sprain was within the past three months, the participant was excluded from eligibility * A history of lower extremity surgery * A fracture to the lower extremity * Any acute musculoskeletal injuries to lower extremities in the past three months

Outcomes

Primary Outcomes

Balance test 1

Biodex Stability System

Time frame: Through the study completion, up to 8 days from baseline assessment. Assessed at pre-intervention and post-intervention for sessions 1 and 2

Balance test 2

Y-Balance test

Time frame: Through the study completion, up to 8 days from baseline assessment. Assessed at pre-intervention and post-intervention for sessions 1 and 2

Heart rate variability

HRV was captured for 5 minutes using a three-lead electrocardiogram at the beginning of each of the two lab sessions

Time frame: Through the study completion, up to 8 days from baseline assessment. Assessed at pre-intervention and post-intervention for sessions 1 and 2