[논문]Effect of Taping on Lumbar Kinematics and Muscle Activities During Typing in Individuals With Nonspecific Chronic Low Back Pain

Kim, Hyun-A; Kwon, Oh-Yun; Ahn, Sun-Hee; Jeon, In-Cheol; Choung, Sung-Dae

doi:10.12674/ptk.2015.22.1.093

[국내논문] Effect of Taping on Lumbar Kinematics and Muscle Activities During Typing in Individuals With Nonspecific Chronic Low Back Pain 원문보기

한국전문물리치료학회지 = Physical Therapy Korea, v.22 no.1, 2015년, pp.93 - 102

Kim, Hyun-A (Dept. of Physical Therapy, The Graduate School, Yonsei University) , Kwon, Oh-Yun (Dept. of Physical Therapy, College of Health Science, Yonsei University) , Ahn, Sun-Hee (Dept. of Physical Therapy, The Graduate School, Yonsei University) , Jeon, In-Cheol (Dept. of Physical Therapy, The Graduate School, Yonsei University) , Choung, Sung-Dae (Dept. of Physical Therapy, The Graduate School, Yonsei University)

Abstract ▼ AI-Helper

Prolonged sitting can contribute to low back pain. The lumbar taping can be applied to correct the sitting posture. This study aimed to investigate the effect of lumbar taping on lumbar kinematics and the muscle activities of multifidus (MF) and internal oblique in the individuals with nonspecific chronic low back pain (NSCLBP) as they type for 30 minutes. Nineteen subjects with NSCLBP (9 people in non taping group and 10 people in taping group) were recruited. Lumbar taping was applied to the taping group before typing. Both groups started typing in a neutral sitting position with their feet on the floor. The change of posture and S2 posterior tilting (S2P) were measured to investigate kinematic data. Three sensors were attached on T12, L3, and S2 to identify the change of posture. Surface electromyography was used to measure the muscle activities. Palpation meter was used to standardize the angle of pelvic tilt in sagittal plane before typing. All instruments were used to measure each data before and after typing. Independent t-test was used to compare the changing values of lumbar kinematics and muscle activities before and after typing between both groups. The changing values of S2P and change of posture of L3 and S2 were significantly smaller in the taping group compared to the non taping group (p<.05). The changing value of muscle activities of MF between before and after typing was significantly smaller in the taping group compared to the non taping group (p<.05). In conclusion, the lumbar taping during the 30-minute typing task can be applied to maintain correct sitting posture in the lumbar and pelvis and to maintain activation of MF.

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문제 정의

However, no studies have determined the effect of postural taping on specific spine kinematics and how to influence on deep muscle activities which are important in lumbo-pelvic sitting in individuals with LBP. The purpose of this study is to investigate the effects of postural taping on changing the value of posture and muscle activities of IO and MF in people with NSCLBP during 30 minutes of typing. We hypothesize that (1) the changing value of change of posture in the lumbar region would be smaller in the taping group compared to the non taping group and (2) an angle of sacrum 2nd posterior tilting (S2P) and pelvic posterior tilt would be smaller in the taping group than in the non taping group and (3) muscle activities of IO and MF would be significantly decreased in the non taping group.

가설 설정

The purpose of this study is to investigate the effects of postural taping on changing the value of posture and muscle activities of IO and MF in people with NSCLBP during 30 minutes of typing. We hypothesize that (1) the changing value of change of posture in the lumbar region would be smaller in the taping group compared to the non taping group and (2) an angle of sacrum 2nd posterior tilting (S2P) and pelvic posterior tilt would be smaller in the taping group than in the non taping group and (3) muscle activities of IO and MF would be significantly decreased in the non taping group.
Second, we used surface EMG for measuring MF and IO activities but some of the studies suggested using invasive technique to measure the deeper muscles because of difficulty in measuring local muscles (Drysdale et al, 2004). Third, the taping effect on sensory feedback has not been studied enough. Further study is required for an investigation of pain in long term effects and an influence of sensory feedback.

제안 방법

The electrode was applied to MF (2 ㎝ lateral to the spinous process of L4) (Claus et al, 2009) (Figure 1) and IO (medial to anterior superior iliac spine aligned inferomedially toward the pubis) (Ng et al, 1998). To make sure correct the electrode placement was correct, we palpated each of the muscles being tested, observing the EMG signal on the computer.
In this study, the palpation meter (PALM) was used to measure inclination angles between the ipsilateral the anterior superior iliac spine (ASIS) and posterior superior iliac spine (PSIS) on the body. The PALM (Performance Attainment Associates, St Paul, MN, USA), has an inclinometer and two caliper arms (Lee and Yoo, 2011a).
EMG data and 3 dimensional-measurement (Polhemus Liberty™) data were recorded twice (before the typing task and after 30 minutes after typing task).
However there are two possibilities which the change of posture of T12 was not significant. First, the participants in this study were measured in habitual sitting posture. We did not ask them to position completely upright and slump sitting posture like the previous study.
A previous study reported that postural biofeedback can facilitate a more neutral sitting posture with less unstable posture change (O’Sullivan et al, 2013). In this study, the taping effect could be interpreted as a sensory feedback to help maintain neutral sitting so that it helped activating MF.
17°) (Lee and Yoo, 2011b) but it did not investigate trunk posture and muscle activity in people with LBP. This study investigated the effect of lumbar taping on the thoracic, lumbar, pelvic posture, and muscle activities during 30 minutes of typing in people with LBP. Application of lumbar taping can help to maintain and educate the correct sitting posture for LBP.
This study investigated the effect of lumbar taping on muscle activity and lumbar kinematics during 30-minute typing. Our results demonstrate that the neutral sitting posture and MF activity were main- tained in the taping group.

대상 데이터

In total, 29 subjects with LBP were screened and 10 subjects were excluded in this study. Nineteen subjects (10 people in the taping group, 9 people in the non taping group) with NSCLBP were recruited by flyer from students and facility members in Yonsei University Wonju campus.
In total, 29 subjects with LBP were screened and 10 subjects were excluded in this study. Nineteen subjects (10 people in the taping group, 9 people in the non taping group) with NSCLBP were recruited by flyer from students and facility members in Yonsei University Wonju campus. The criteria for study inclusion were the presence of NSCLBP for at least 3 months.

데이터처리

, Chicago, IL, USA) was used. An independent t-test was used to compare the changing values of lumbar kinematics such as the change of posture, S2P, and pelvic tilt and applied for the changing value of muscle activities of MF and IO between the taping group and non taping group. The level of statistical significance was set at p<.

성능/효과

We investigated the effect of lumbar taping on lumbar kinematics and muscle activity during typing task in individuals with LBP. This study demonstrated that applied lumbar taping decreased the lumbar flexion and pelvic posterior tilt and main-tained the MF activities during 30-minute typing. However there was no significant difference in the change of posture of T12 and IO activities between the non taping group and taping group.

후속연구

Third, the taping effect on sensory feedback has not been studied enough. Further study is required for an investigation of pain in long term effects and an influence of sensory feedback.

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