• Title, Summary, Keyword: Trigger points

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The Study of Relationship between Trigger Points and Acupoints (I) - From Head To Trunk - (근육의 Trigger Points와 경혈(經穴)의 연관성에 관한 연구(I) - 두부(頭部)부터 체간부(體幹部)까지 -)

  • Kim, Jin-Gi;Youn, Il-Ji;Oh, Min-Seok
    • Journal of Haehwa Medicine
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    • v.16 no.1
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    • pp.115-126
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    • 2007
  • Objectives : The purpose of this study is to find out relationship between Trigger points and Acupoints. Methods : We have researched some of oriental and western medical books about Trigger points and Acupoints from head to trunk. Conclusions : 1. In the head, there are 46 trigger points Among them, 19 trigger points correspond to Acupoints and 25 trigger points are similar to them 2. In the thorax, there are 33 trigger points Among them, 17 trigger points correspond to Acupoints and 20 trigger points are similar to them 3. In the upperimb, there are 20 trigger points Among them, 9 trigger points correspond to Acupoints and 13 trigger points are similar to them. 4 In the trunk, there are 11 trigger points. Among them, 5 trigger points correspond to Acupoints and 11 trigger points are similar to them.

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The Study of Relationship between Trigger Points and Acupoints (II) - From Quadratus Lumborum To Deep Intrinsic Foot Muscles - (근육의 Trigger Points와 경혈(經穴)의 연관성에 관한 연구 (II) - 요방형근에서 발의 심층 내재근들까지 -)

  • Kim, Hyung-Jun;Heo, Dong-Seok;Oh, Min-Seok
    • Journal of Haehwa Medicine
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    • v.16 no.1
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    • pp.127-132
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    • 2007
  • Objectives : The purpose of this study is to find out relationship between Trigger points and Acupoints. Methods : We have researched some of oriental and western medical books about Trigger points and Acupoints from Quadratus lumborum to Deep intrinsic foot muscles. Conclusions : 40 acupoints correspond to trigger points among 67, which approximately accounts for 59 7% Including similar trigger points anatomically, it will show a doser correspondence between acupoints and trigger points.

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The Change of Pressure Pain Threshold of Myofascial Trigger Points by Transcutaneous Electrical Nerve Stimulation (경피신경전기자극에 의한 근-근막 발통점의 압통각 역치의 변화)

  • Lee, Jeong-Woo;Han, Dong-Wook
    • Journal of the Korean Academy of Clinical Electrophysiology
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    • v.1 no.2
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    • pp.69-76
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    • 2003
  • The purpose of this study was to determine the effect of transcutaneous electrical nerve stimulation(TENS) on the alteration of pressure pain threshold of myofascial trigger points. We used fifty nine patients with upper trapezius mayofascial pain syndrome. Participants classified according to each group in conventional TENS(high rate, low intensity) and acupuncture like TENS(low rate, high intensity). The test was measured continuously pre test, post-test by algometer. The following results were obtained; 1. Pressure pain threshold were significantly increased in all groups(p<.001). 2. In comparison between groups, pressure pain threshold were not significantly differenced. These results lead us to the conclusion that each method by TENS were significantly increased pressure pain threshold of upper trapezius trigger points. Therefore, a further direction of this study will be to provide more evidence that TENS method have an effect on pressure pain threshold of myofascial trigger points.

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Studies in Muscle Contraction Headache (근긴장상 두통에 관한 연구)

  • Choi, Joong-Rieb
    • The Korean Journal of Pain
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    • v.3 no.2
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    • pp.150-159
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    • 1990
  • The patient with muscle contraction headache usually have one or more specific trigger points. These trigger points have been treated with various treatment modalities including "stretch and spray" and regional infiltration with local anesthetics with or without corticosteroids. I treated 36 patients with muscle contraction headache with regional infiltration of local anesthetics and steroid into trigger points and the results were as follows 1) The diagnosis of muscle contraction headache was possible by confirming specific trigger points by palpation. 2) Patients relieved rapidly from headache by regional infiltration of local anesthetics and steroid into the tender point. 3) Single injection was effective in relieving headache. But the curability of the single injection could not be assessed because of difficulty in follow-up study. 4) Active trigger points could be occasionally inactive, which also made difficult in assessing the effectiveness of the treatment.

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Trigger Point Injection for Myofascial Pain Syndrome (근막 통증 증후군의 통증 유발점 주사)

  • Kim, Chul-Hong;Park, Jin-Woo
    • The Journal of Korean Orthopaedic Ultrasound Society
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    • v.7 no.2
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    • pp.127-131
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    • 2014
  • Skeletal muscles which are the largest part of human body may develop pain and dysfunction. The myofascial pain syndrome that has trigger points as a unique characteristic is a major cause of morbidity. Trigger points are focal, hyperirritable painful areas located in a taut band of skeletal muscle. They produce local area pain and a referred pattern pain and often accompany chronic joint dysfunction. Various modalities are used to inactivate trigger points in myofascial pain syndrome. Trigger-point injection has been shown to be one of the most effective treatment modality to provide prompt relief of symptoms. This review article presents general concept of myofascial pain syndrome and technique of trigger point injection.

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The Change of Pressure Pain Threshold of Myofascial Trigger Points by Ultrasound Application Method (초음파 적용방식에 따른 근-근막 발통점의 압통각 역치 변화)

  • Lee, Jeong-Woo;Yoon, Se-Won
    • Journal of the Korean Academy of Clinical Electrophysiology
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    • v.1 no.2
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    • pp.61-68
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    • 2003
  • The purpose of this study was to compare the application method of ultrasound on the alteration of pressure pain threshold of myofascial trigger points. We used thirty patients with mayofascial pain syndrome in upper trapezius. Participants classified according to each group in non noxious dose, noxious dose by the ultrasound. The test was measured continuously pre test, post-test by algometer. The following results were obtained; 1. Pressure pain threshold were significantly increased in non-noxious dose and noxious dose group(p<.001). 2. In noxious dose group, pressure pain threshold were more significantly increased than non-noxious dose group(p<.001). These results lead us to the conclusion that non-noxious dose and noxious dose were significantly increased pressure pain threshold of upper trapezius trigger points. Therefore, a further direction of this study will be to provide more evidence that noxious dose have more effect on pressure pain threshold of myofascial trigger points.

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Study of Clinic application of Myofascial Pain Syndrome with Acupucture and Trigger Point (경혈점과 유발점에 의한 근막통증후군의 임상적용에 대한 연구)

  • Chang, Moon-Kyung
    • Journal of Korean Physical Therapy Science
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    • v.2 no.3
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    • pp.727-738
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    • 1995
  • Myofascial pain syndrome is one of the major cause of chronic pain and trigger point injection, stretching, spray and electrical therapy are often used in clinical situation for treatment of myofascial pain syndrome. Myofascial pain syndrome is characterzied by the existence of a hypersensitive region, called the trigger point in a muscle or in the connective tissue, together with palpable noble, stiffness, limitation of motion and referred pain when trigger point is stimulated. Physiologically, they represent a self-sustaining vicious cycle of pain-spasm-pain. The purpose of this study is to illustrate mechanisms of pain by stimulation of acupuncture and trigger point, to introduce clinic application of orient and western stimulative point (acupuncture, trigger point)for treatment of MPS(myofascial pain syndrome), to make physiotherapist use both stimulative points for treatment of MPS.

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Comparison of Ultrasonography Images on Normal Muscle and Myofascial Trigger Points Activated Muscle (정상근과 근막 유발점이 활성화된 근육의 초음파 영상의 비교)

  • Kim, Myung-Hoon;Kim, Su-Hyon;Kim, Hyun-Jin
    • The Journal of Korean Physical Therapy
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    • v.25 no.2
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    • pp.76-80
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    • 2013
  • Purpose: The objective of this study was to offer primary clinical data examining whether change of imaging structure and quantitative evaluation of muscle activity on myofascial trigger points can lead to implementation of an analytical technique for evaluation of myofascial pain diagnoses. In addition, we examined the effect of a variety of mediation techniques, in order to examine neuromuscular physiological characteristics of myofascial trigger points muscle by comparing differences in pressure pain threshold and ultrasound imaging. Methods: Participants in the study included 30 adults in their twenties. The subjects were divided into the normal and myofascial trigger points groups. Clinical outcomes were evaluated by pressure pain threshold for pain and ultrasound imaging was performed for evaluation of the structural characteristics of muscle. Independent t-test was used for statistical analysis. Results: The two groups showed statistical significance in the change in pressure pain threshold (p<0.05). Findings of ultrasound imaging analysis showed no significant differences, increased muscle thickness was observed (p>0.05). Findings of ultrasound imaging analysis showed significant differences, increased muscle echodensity was observed (p<0.05). Findings on ultrasound imaging analysis showed significant differences, increased muscle white area index was observed (p<0.05). Conclusion: From these results, active myofascial trigger points muscle showed quality deterioration on ultrasound imaging. Thorough evaluation of imaging structure and physiological characteristics can be useful quantitative analytical techniques for diagnosis of myofascial pain syndrome and a primary factor reflected in physical therapy intervention.

Ultrasound Imaging and Electrophysiological Characteristic According to Activity Levels of Myofascial Trigger Point (근근막 발통점의 활성도에 따른 초음파 영상구조 및 전기생리학적 특성)

  • Kim, Hyun-Jin;Kim, Su-Hyun;Park, Young-Hyun;Oh, Seok;Choi, Ji-Ho;Kim, Tae-Youl
    • Journal of the Korean Academy of Clinical Electrophysiology
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    • v.8 no.1
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    • pp.23-29
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    • 2010
  • Purpose : This study is to offer clinical primary data that examines the change of imaging structure and the quantitative evaluation of muscle activity on myofascial trigger points. This study examines neuromuscular physiological characteristic by comparing the differences in physical findings, pressure pain threshold, imaging, and electrophysiological characteristics in latent and active myofascial trigger points muscle and normal muscle through the following experimental procedures. Methods : The participants for the study were thirty-three adults in their twenties. We divided three groups into normal, latent and active myofascial trigger points groups by physical findings. We analyzed the results of measured pressure pain, threshold for pain, ultrasound imaging perform for structure characteristic of muscle, surface EMG according to type of muscle contraction for function of muscle contraction. Results : Significant differences were indicated in pressure pain threshold (p<0.05). Significant differences were discovered in the ultrasound imaging analysis. There were increases in muscle Echogenicity white area index (p<0.001). There were significant differences that decrease in %MVIC (p<0.05), increase in MDF (p<0.05). Conclusion : From these results, active rnyotascial trigger points muscle showed quality deterioration on ultrasound imaging and decreased function of muscle contraction, increased motor unit action potential of II type fiber, and electrophysiologically. Imaging structure and neuromuscular physiological characteristic can be diagnostic and quantitative analytical techniques for myofascial pain syndrome and a primary factor that reflected in physical therapy intervention.

Myofascial Pain Syndrome : A review of clinical characteristics of 47 patients (근막 동통 증후군 환자에 대한 조사 연구)

  • Kim, Suhn-Yeop;Kang, Heung-Kee;Kwon, Oh-Yun
    • Journal of Korean Physical Therapy Science
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    • v.2 no.1
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    • pp.393-404
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    • 1995
  • The purpose of this review was to examine the clinical characteristics of patients who had a diagnosis of Myofascial Pain Syndrome(MPS). Myofascial pain is a painful condition of skeletal muscle characterized by the presence of one or more trigger points. A trigger point(TrP) is a focus of hyperirritability in a tissues. Of the patients with MPS, 21(44.7 %) were male and 26(55.3 %) were female. The mean duration of MPS was 9.6 months for males and 11.3 months for females. Trigger points with associated referred patterns of pain were found in muscles of the post neck(trapezius, infrasupinatus) and in quadratus lumborum muscle. Patients reported increased fatigue(87.2 %), tingling sensation(66.0 %), numbness(66.0 %), tension(55.3 %), anxiety(44.7 %), headache (59.6 %), pilomotor activation(59.6 %).

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