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발내재근 운동이 발목 불안정성 환자의 균형, 근력 및 진동감각역치에 미치는 효과

Effects of Intrinsic Foot Muscle Exercise on Dynamic Balance, Strength, and Vibration Threshold Sense in Persons with Ankle Instability

PNF and Movement 2020년 18권 2호 p.173 ~ 182
김진홍, 이동진, 이은상,
소속 상세정보
김진홍 ( Kim Jin-Hong ) - Korea Worker’s Compensation and Welfare Service Incheon Hospital Clinical Rehabilitation Research Center
이동진 ( Lee Dong-Jin ) - Gwangju Health University Department of Physical Therapy
이은상 ( Lee Eun-Sang ) - Gwangju Health University Department of Physical Therapy

Abstract


Purpose: The purpose of the study was to investigate the effects of visual feedback exercise (VFE), sandal exercise (SE), and thera-band exercise (TE) on people with functional ankle instability.

Methods: The 45 study participants were divided into three groups of 15. In the VFE group, participants performed short-foot exercises using visual feedback; the SE group performed sandal exercises, and the TE group performed thera-band exercises. Over a period of 8 consecutive weeks, the experimental groups exercised for 15 minutes per session, four times per week. Balance was measured using the Biodex Balance System for dynamic balance ability (overall balance index [OBI], mediolateral balance index [MBI], and anterioposterior balance index [ABI]). Vibration threshold sense (VTS) was assessed using a vibratory sensory analyzer. Ankle muscular strength was measured using the Biodex 4 Pro. The main outcome measures were assessed at baseline and after 8 weeks of training.

Results: Significant improvements in dynamic balance were noted in all three groups (p < 0.05). Significant improvements in VTS and muscular strength were also noted in the VFE and TE groups but not in the SE group (p < 0.05).

Conclusion: Appropriate environmental and situational mediation may be of great clinical significance for patients suffering from chronic ankle instability. It is hoped that the findings will inform a program for prevention of ankle instability.

키워드

Ankle instability; Balance; Visual feedback exercise; Sandal exercise; Thera-band exercise

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