• Title/Summary/Keyword: Joint instability

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Comparison of Hip Joint Strength between Young Woman Patient with Chronic Low Back Pain with Lumbar Instability and Normal Subjects

  • Cha, Hyun Gyu
    • Physical Therapy Rehabilitation Science
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    • v.11 no.3
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    • pp.370-375
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    • 2022
  • Objective: The purpose of this study was to compare the hip joint muscle strength of patients with chronic back pain with lumbar instability and normal subjects. Design: A case control study. Methods: Five types of lumbar instability test were conducted on forty young women with chronic low back pain for more than six months, and those who had 3 or more positive tests were selected as subjects. To select chronic back pain patients with lumbar instability group, aberrant movement patterns during lumbar flexion test (FMT), prone instability test (PIT), posterior-anterior mobility test (PAT), passive lumbar extension test (PLE), and pressure bio-feedback (PBF) were applied. In addition, a digital muscle strength meter was used to measure the hip flexor, extensor, adductor, and abductor muscles of chronic low back pain patients with lumbar instability group (n=20) and normal subject group (n=20). Results: As a result of comparing the hip joint muscle strength between the chronic back pain patient group with lumbar instability and the normal group, there were significant differences in the hip extensor, abductor, and adductor muscles (p<0.05). Conclusions: Patients of chronic back pain with lumbar instability were found to have weak hip joint muscle strength. Therefore, this study suggest that include hip joint strength exercise for functional recovery of chronic back pain patients.

Broström Procedure and Fibula Periosteal Turn Down Augmentation for the Ball-and-Socket Ankle Accompanying Lateral Ankle Instability: A Case Report (Broström 술식과 비골 골막 젖힘 보강술로 치료한 구상 발목관절에 동반된 족근관절 외측 불안정증: 증례 보고)

  • Shin, Woojin;Cho, Hong Man;Park, Jiyeon
    • Journal of Korean Foot and Ankle Society
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    • v.24 no.2
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    • pp.98-101
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    • 2020
  • We report on the case of a patient with chronic instability of the ball-and-socket ankle joint. The patient, a 21-year-old male, was diagnosed 10 years previously with chronic instability of the ball-and-socket ankle joint. He underwent Broström procedure and augmentation using a periosteal turn down from the fibula for this chronic instability despite having received conservative treatment since the diagnosis. After the procedure, the clinical symptoms of ankle instability were improved and the patient is being periodically followed-up. We report on this case of using a Broström procedure as a treatment option for patients with instability of the ball-and-socket ankle joint with normal range of foot and normal ankle joint alignment without damage in the joint and cartilage.

Is Subtalar Joint Instability an Important Consideration When Treating Ankle Joint Instability? (거골하관절 불안정성이 족관절 불안정성을 치료하는 데 중요한 요소로 작용할까?)

  • Lee, Hyobeom;Kim, Gab-Lae;Kim, Donghyeon
    • Journal of Korean Foot and Ankle Society
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    • v.25 no.1
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    • pp.38-45
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    • 2021
  • Subtalar joint instability (STI) is one of the causes of persistent hindfoot pain even after treatment for ankle instability. Diagnosis of STI is often neglected because it is a poorly understood concept. However, understanding of the anatomy and injury mechanism of the subtalar joint is a prerequisite of appropriate treatment. Patients with STI usually complain of several symptoms, such as recurrent sprains or a giving way sensation and rolling over. Recently, various diagnostic tools and treatment methods have been investigated. This study was undertaken with the aim of helping clinicians by providing a comprehensive understanding of STI.

Chronic subtalar joint instability - One case report - (거골하 관절의 만성 불안정성 - 1예 보고 -)

  • Lee, Jin-Woo;Kwon, Oh-Ryong;Park, Kwan-Kyu;Kang, Eung-Shick;Hahn, Soo-Bong
    • Journal of Korean Foot and Ankle Society
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    • v.6 no.2
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    • pp.251-255
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    • 2002
  • Purpose: Chronic subtalar instability is not common and similar to chronic ankle instability and the incidence and cause chronic subtalar instability are not well known. Recently we have experienced chronic subtalar instability without chronic ankle instability which was treated with modified Brostrom procedures. Materials and Methods: The patient is 46 year old man who has suffered from left ankle sprain for 30 years and recently aggravated more than twice a day. On subtalar stress view, 14 degree angulation of subtalar joint was noted and on anterior drawer view, 8 mm anterior displacement of left ankle was seen. Results: In operation, there was no anterior talofibular ligament abnormility but calcaneofibular ligament loosening was found. Ligament reconstruction was performed using modified Brostrom procedure. At 12 months after operation, the patient complains no pain and no limit of motion and no instability. Conclusion: We experienced chronic subtalar instability without ankle instability treated with modified Brostrom procedures. No instability was found after treatment without complication.

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The Effects of Chronic Ankle Instability on Postural Control during Forward Jump Landing (전방 점프 착지 시 만성 발목 불안정성이 자세 조절에 미치는 영향)

  • Kim, Kew-wan;Jeon, Kyoungkyu;Park, Seokwoo;Ahn, Seji
    • Korean Journal of Applied Biomechanics
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    • v.32 no.1
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    • pp.9-16
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    • 2022
  • Objective: The purpose of this study was to investigate how the chronic ankle instability affects postural control during forward jump landing. Method: 20 women with chronic ankle instability (age: 21.7 ± 1.6 yrs, height: 162.1 ± 3.7 cm, weight: 52.2 ± 5.8 kg) and 20 healthy adult women (age: 21.8 ± 1.6 yrs, height: 161.9 ± 4.4 cm, weight: 52.9 ± 7.2 kg) participated in this study. For the forward jump participants were instructed to stand on two legs at a distance of 40% of their body height from the center of force plate. Participants were jump forward over a 15 cm hurdle to the force plate and land on their non-dominant or affected leg. Kinetic and kinematic data were obtained using 8 motion capture cameras and 1 force plates and joint angle, vertical ground reaction force and center of pressure. All statistical analyses were using SPSS 25.0 program. The differences in variables between the two groups were compared through an independent sample t-test, and the significance level was to p < .05. Results: In the hip and knee joint angle, the CAI group showed a smaller flexion angle than the control group, and the knee joint valgus angle was significantly larger. In the case of ankle joint, the CAI group showed a large inversion angle at all events. In the kinetic variables, the vGRF was significantly greater in the CAI group than control group at IC and mGRF. In COP Y, the CAI group showed a lateral shifted center of pressure. Conclusion: Our results indicated that chronic ankle instability decreases the flexion angle of the hip and knee joint, increases the valgus angle of the knee joint, and increases the inversion angle of the ankle joint during landing. In addition, an increase in the maximum vertical ground reaction force and a lateral shifted center of pressure were observed. This suggests that chronic ankle instability increases the risk of non-contact knee injury as well as the risk of lateral ankle sprain during forward jump landing.

The Effect of Elastic Therapeutic Taping on Lower Limb Kinematics during a Cross Cutting Movement from Landing in Subjects with Chronic Ankle Instability (탄력 테이핑이 만성 발목 불안정 환자의 착지 후 방향 전환 시 하지 관절 움직임에 미치는 영향)

  • Jo, Tae-Seong;Kim, Tack-Hoon;Choi, Houng-Sik;Roh, Jung-Suk
    • Journal of the Korean Society of Physical Medicine
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    • v.12 no.4
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    • pp.1-9
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    • 2017
  • PURPOSE: This study investigated the effect that an elastic therapeutic taping treatment given to patients with chronic ankle instability had on the vertical ground reaction force, center of pressure, and range of motion in the ankle, knee and hip joints, during a Cross-cutting movement from landing. METHODS: This study analyzed 12 able-bodied adults and 12 patients with chronic ankle instability classified by using the Cumberland tool in the motion analysis laboratory, Hanseo University. The experiment was conducted under two conditions elastic taping and no treatment. In order to analyze the difference between the groups. An independent t-test was performed at p>.01. RESULTS: Plying an elastic therapeutic taping to the patients with chronic ankle instability significantly decreased the range of joint motion in the inversion of the ankle joint, the flexion of the knee joint, and the flexion and internal rotation of the hip joint during a cross-cutting movement from landing in comparison with the able-bodied adults p<.01. This restriction in the range of motion decreased the center-of-pressure trajectory length of patients with chronic ankle instability p>.01. CONCLUSION: An elastic therapeutic taping treatment given to patients with chronic ankle instability causes ankle stability to increase during a cross-cutting movement from landing.

A Study of Nonlinear Unstable Phenomenon of Framed Space Structures Considering Joint Rigidity (절점 강성을 고려한 공간 구조물의 비선형 불안정 거동에 관한 연구)

  • Shon, Su-Deok;Kim, Seung-Deog;Hwang, Kyung-Ju;Kang, Moon-Myung
    • Journal of Korean Association for Spatial Structures
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    • v.3 no.1 s.7
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    • pp.87-97
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    • 2003
  • The structural system that discreterized from continuous shells is frequently used to make a large space structures. As well these structures show the unstable phenomena when a load level over the limit load, and snap-through and bifurcation are most well known of it. For the collapse mechanism, rise-span ratio, element stiffness and load mode are main factor, which it give an effect to unstable behavior. In our real situation, most structures have semi-rigid joint that has middle characteristic between pin and rigid joint. So the knowledge of semi-rigid joint is very important problem of stable large space structure. And the instability phenemena of framed space structures show a strong non-linearity and very sensitive behavior according to the joint rigidity For this reason In this study, we are investigating to unstable problem of framed structure with semi-rigidity and to grasp the nonlinear instability behavior that make the fundamental collapse mechanism of the large space frame structures with semi-rigid joint, by proposed the numerical analysis method. Using the incremental stiffness matrix in chapter 2, we study instability of space structures.

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Lateral Ulnar Collateral Ligament Reconstruction for Posterolateral Rotatory Instability of the Elbow Joint - A Case Report - (주관절의 외측방 회전 불안정성에 대한 외측 척측부인대 재건술-1례보고-)

  • Moon Eun-Sun;Lee Swung-Gi;Park Chol-Hong
    • Clinics in Shoulder and Elbow
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    • v.1 no.2
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    • pp.236-241
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    • 1998
  • Recurrent dislocation of elbow joint occurs relatively rarely by the injury of the collateral ligament which contributes elbow joint stability. Among them, posterolateral rotatory instability occurs by the injury to the lateral ulnar collateral ligament. We experienced a case of recurrent dislocation of elbow joint due to posterolateral rotatory instability. We treated operatively with lateral ulnar collateral ligament reconstruction using the palmaris longus tendon by technique of Nestor et al. We report it with literature analysis.

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Additional Thermal Shrinkage in Treatment of Recurrent Traumatic Anterior Shoulder Instability (만성 외상성 견관절 전방 불안정성의 치료에서 병행한 관절낭 열 수축술)

  • Kim Seung-Ki;Song In-Soo;Moon Myung-Sang;Lin Guang
    • Clinics in Shoulder and Elbow
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    • v.7 no.2
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    • pp.76-82
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    • 2004
  • Purpose: In the traumatic anterior shoulder instability, the laxity of joint capsule and ligament is frequently demonstrated. Although a arthroscopic procedure to address anterior instability with joint capsular redundancy have generally provided good results, its recurrence rate is higher than open procedure. By reducing the capsular redundancy, thermal shrinkage is likely to improve the outcome of arthroscopic anterior stabilization. The objective of this study was to evaluate additional thermal capsular shrinkage as a treatment of joint capsular redundancy in anterior shoulder instability. Materials and Methods: From March 1999 to June 2000, 25 shoulders of 23 patients of recurrent anterior shoulder dislocation underwent arthroscopic Bankart repair with shrinkage procedure. The mean follow up was 29 months and average age at the time of operation was 26 years. Of these patients, 20 were male and 3 were female who had been experienced the average 8 times of dislocation before operation. Thermal shrinkage alone without Bankart repair was performed in two cases who did not have Bankart lesion. The clinical result was evaluated in according to Modified Rowe Score. Results: The Modified Rowe Score was improved from preoperative 35 points to postoperative 88 points. None of cases showed recurrence of dislocation. But, in two cases, temporary sensory hypesthesia of the axillary nerve was developed and in two cases of postoperative stiffness, arthroscopic capsular release and brisement were performed. Conclusion: Additional capsular shrinkage in arthroscopic technique to address recurrent anterior shoulder instability could treat effectively the capsular redundancy.

Effects of Blood Flow Restriction Exercise on Ankle Strength and Balance Ability in Adults with Chronic Ankle Instability (혈류제한 운동이 만성 발목 불안정성을 가진 성인의 발목 근력 및 균형능력에 미치는 영향)

  • Gang-Mi Youn;Hyo-Jeong Lee
    • Journal of The Korean Society of Integrative Medicine
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    • v.11 no.1
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    • pp.121-130
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    • 2023
  • Purpose : This study aimed to investigate the effect of blood flow restriction exercise on ankle muscle strength and balance ability to achieve maximum efficiency with the same exercise intensity and time. Methods : Twenty-six adults are randomly assigned to experimental group (n=13) and comparison group (n=13). The experimental group performed ankle joint strength exercises with blood flow restriction applied while the comparison group performed ankle joint strength exercises without blood flow restriction applied three times a week for four weeks. The digital muscle measurement, Y-balance test, and Cumberland ankle instability tool were used to evaluate the subject's muscle strength, dynamic balance, and ankle instability index before and after the intervention. Results : In within-group comparison muscle strength, all the two groups showed significant improvements post intervention (p<.05). In between-group comparison, there was significant difference in the change of dorsiflexion, eversion strength pre and post intervention (p<.05). but plantarflexion was no significant difference between pre and post intervention in the group comparison (p>.05). In within-group comparison dynamic balance, all the two groups showed significant improvements post intervention (p<.05). In between-group comparison, there was no significant difference in the change of Y-balance score pre and post intervention (p>.05). In within-group comparison ankle instability index, all the two groups showed significant improvements post intervention (p<.05). In between-group comparison, there was no significant difference in the change of CAIT score pre and post intervention (p>.05). Conclusion : The results of this study show that ankle joint strength exercise improved the strength and balance ability of those complaining of chronic ankle instability, and ankle joint strength exercise applied with blood flow restriction was more effective in dorsiflexion and eversion strength exercise than ankle joint strength exercise without blood flow restriction.