A Comparison Study of Postural Control Measures Between Before and After Applying Temporomandibular Joint Balance Appliance-Golf (TBA-G) Using Balance Master System

Kyeong-Hee Doo; Ji-Hyun Lee; Dong-Hyuk Lee; Soo-Kyung Kim; Seung-Yeon Cho; Jung-Mi Park; Chang-Nam Ko; Hyung-Sup Bae; Seong-Uk Park; Doo, Kyeong-Hee; Lee, Ji-Hyun; Lee, Dong-Hyuk; Kim, Soo-Kyung; Cho, Seung-Yeon; Park, Jung-Mi; Ko, Chang-Nam; Bae, Hyung-Sup; Park, Seong-Uk

doi:10.13048/jkm.14005

JKM > Volume 35(1); 2014 > Article

Doo, Lee, Lee, Kim, Cho, Park, Ko, Bae, and Park: A Comparison Study of Postural Control Measures Between Before and After Applying Temporomandibular Joint Balance Appliance-Golf (TBA-G) Using Balance Master System

Original Article

The Journal of Korean Oriental Medicine 2014; 35(1): 50-57.

Published online: March 30, 2014

DOI: https://doi.org/10.13048/jkm.14005

A Comparison Study of Postural Control Measures Between Before and After Applying Temporomandibular Joint Balance Appliance-Golf (TBA-G) Using Balance Master System

Kyeong-Hee Doo, Ji-Hyun Lee, Dong-Hyuk Lee, Soo-Kyung Kim, Seung-Yeon Cho, Jung-Mi Park, Chang-Nam Ko, Hyung-Sup Bae, Seong-Uk Park

Department of Korean Internal Medicine, Stroke and Neurological Disorders Center, Kyung Hee University Hospital at Gangdong, College of Korean Medicine, Kyung Hee University

Correspondence to: 박성욱(Seong-Uk Park) 서울특별시 강동구 동남로 892 강동경희대학교병원 중풍뇌질환센터 한방내과, Tel: +82-2-440-6217, Fax: +82-2-440-7171, E-mail: seonguk.kr@gmail.com

Received November 20, 2013 Revised February 18, 2014 Accepted February 18, 2014

Abstract

Objectives

The purpose of this study was to examine whether Temporomandibular Joint Balance Appliance-Golf (TBA-G) can improve postural control ability of healthy adults.

Methods:

Twenty participants (10 male, 10 female) aged 20 to 39 years were involved. Postural control ability of all participants was assessed before and after applying TBA-G with Balance Master^® system. Modified clinical test sensory interaction on balance (mCTSIB), unilateral stance, weight bearing and rhythmic weight shift were used to evaluate postural control ability.

Results:

After applying TBA-G, mCTSIB on a firm plate with eyes open increased from 0.2 to 0.23 (p<0.05) but directional control was improved in slow and moderate velocity of front/back rhythmic weight shift test (P<0.05). In two cases with postural imbalance, most of the postural control measures improved after applying TBA-G.

Conclusions:

The results suggest that TBA-G could improve balance control ability. A larger controlled trial is needed to determine more accurately the effect of TBA-G on balance control ability.

Keywords: Balance, Functional Cerebrospinal Therapy(FCST), Temporomandibular Joint Balance Appliance-Golf(TBA-G), Balance Master System

Fig. 1

Temporomandibular joint Balance Appliance for Golf (TBA-G)

Table 1

General characteristics of Subjects.

	male (n=10)	female (n=10)
Age (yrs)	26.6±2.22	26.5±1.72
Height (cm)	173±3.68	161±3.97
Weight (kg)	66.62±8.22	51.35±4.81

Table 2

Comparison of Mean Center of Gravity(COG) Sway Velocity between before and after applying Temporomandibular Joint Balance Appliance-Golf(TBA-G).

		Mean COG Sway Velocity(°/sec)
		Before(n=20)	After(n=20)	P-value
mCTSIB-firm^†	Eye open	0.2(0.17, 0.22)	0.23(0.2, 0.26)	0.03^*
mCTSIB-firm^†	Eye closed	0.25(0.2, 0.36)	0.27(0.21, 0.3)	0.59
mCTSIB-form^†	Eye open	0.57(0.5, 0.67)	0.5(0.5, 0.62)	0.1
mCTSIB-form^†	Eye closed	1.4(1.17, 1.52)	1.25(1.14, 1.42)	0.06
Unilateral stance-eye open^†	Right side	0.73(0.64, 0.82)	0.73(0.67, 0.82)	0.17
Unilateral stance-eye open^†	Left side	0.7(0.67, 0.8)	0.7(0.64, 0.79)	0.76
Unilateral stance-eye closed^†	Right side	1.48(1.33, 1.83)	1.52(1.25, 1.77)	0.1
Unilateral stance-eye closed^†	Left side	1.63(1.22, 1.92)	1.48(1.24, 1.69)	0.28

Values are median(lower quartile, upper quartile).

* p<0.05 in Wilcoxon Signed Rank Test versus baseline.

† Lower points indicate better balance control.

mCTSIB: modified clinical test sensory interaction on balance.

Table 3

Comparison of Weight bearing rate before and after applying Temporomandibular Joint Balance Appliance-Golf(TBA-G).

	Before(n=20)	After(n=20)	P-value
0^°^†	0.92(0.86, 0.96)	0.9(0.86, 0.96)	0.94
30°^†	0.92(0.85, 0.96)	0.92(0.89, 0.95)	0.83
60°^†	0.9(0.83, 0.95)	0.85(0.82, 0.95)	0.21
90°^†	0.9(0.82, 0.96)	0.9(0.82, 0.96)	0.71

Values are median(lower quartile, upper quartile).

† Ratio of weight bearing rate: closer to 1 indicates better balance.

Table 4

Comparison of Directional control and On-axis velocity during the Rhythmic Weight Shift before and after applying Temporomandibular Joint Balance Appliance-Golf(TBA-G).

			Before(n=20)	After(n=20)	P-value
Front/Back	slow^†	Directional control(%)	80(75, 85)	83.5(79.25, 85.75)	0.03^*
	slow^†	On-axis velocity(°/sec)	2.15(1.9, 2.38)	2(1.9, 2.1)	0.05
	moderate^†	Directional control(%)	83(78.25, 86.75)	85.5(82, 88)	0.03^*
	moderate^†	On-axis velocity(°/sec)	3.1(2.9, 3.4)	3.1(3, 3.28)	0.86
	fast^†	Directional control(%)	85(78.25, 90)	85.5(72.5, 90)	0.2
	fast^†	On-axis velocity(°/sec)	5.85(5.45, 6.93)	6.25(4.93, 6.6)	0.42
Left/Right	slow^†	Directional control(%)	81(77.25, 84)	81.5(80.25, 83.75)	0.26
	slow^†	On-axis velocity(°/sec)	3.1(3, 3.45)	2.9(2.8, 3.18)	0.12
	moderate^†	Directional control(%)	85.5(83.25, 88)	87(84, 90)	0.36
	moderate^†	On-axis velocity(°/sec)	5(4.63, 5.28)	4.65(4.43, 5)	0.05
	fast^†	Directional control(%)	92(89.25, 93)	90(87.25, 93)	0.3
	fast^†	On-axis velocity(°/sec)	9.95(8.7, 11.05)	10.05(9.6, 10.6)	0.43

Values are median(lower quartile, upper quartile).

* p<0.05 in Wilcoxon Signed Rank Test versus baseline.

† Higher points indicate better balance control.

Table 5

Comparison of Balance parameter before and after applying Temporomandibular Joint Balance Appliance-Golf (TBA-G) in two cases.

		Case 1		Case 2
		Before	After	Before	After
mCTSIB		0.6	0.5	0.7	0.6
Mean COG Sway Velocity(°/sec)^†
Unilateral stance-eye open		9	0	13	6
Left/Right difference(%)^†
Unilateral stance-eye closed		7	0	2	8
Left/Right difference(%)^†
Weight bearing	0°^†	0.89	1	0.85	0.96
	30°^†	0.72	0.92	0.82	1
	60°^†	0.85	0.85	0.85	0.96
	90°^†	0.82	0.85	0.85	1
RWS - Left/Right	On-axis velocity(°/sec)^§	5.93	6.2	6.47	5.63
RWS - Left/Right	Directional control(%)^§	88.33	89.67	84	86.67
RWS - Front/Back	On-axis velocity(°/sec)^§	3.37	4	3.67	3.4
RWS - Front/Back	Directional control(%)^§	68	81.33	62.67	75.33

† Lower points indicate better balance control.

‡ Ratio of weight bearing rate: closer to 1 indicates better balance.

§ Higher points indicate better balance control.

mCTSIB: modified clinical test sensory interaction on balance; Mean COG Sway Velocity: Mean Center of Gravity Sway Velocity; RWS: rhythmic weight shift.

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