• 대한통합의학회지
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• 제12권3호
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• pp.143-153
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• 2024

Purpose : Forward head posture (FHP), characterized by the anterior positioning of the head relative to the spine, is a common postural deviation that can lead to neck pain, reduced mobility, and muscle imbalances. Recently, high-frequency deep heat therapy (HFDT) has been gaining attention for the intervention of FHP. This research aims to investigate the efficacy of HFDT in comparison to instrument assisted soft-tissue mobilization (IASTM) for treating FHP among 30 young adults. Methods : Participants were randomly assigned to either the HFDT or IASTM group. The study focused on examining changes in neck joint mobility, pain thresholds, rounded shoulder distance, lower trapezius muscle strength, and neck dysfunction. Measurements were taken before and after the interventions. Paired t-tests were used for within-group analyses, and independent t-tests were employed for between-group comparisons. The statistical significance level α was set to .05. Results : Statistically significant improvements were observed across all measured parameters in both groups (p<.05). The HFDT group showed significantly greater enhancements in neck joint mobility, pain thresholds, rounded shoulder distance, lower trapezius muscle strength, and neck dysfunction parameters. Specifically, HFDT was more effective than IASTM in improving neck joint mobility, right upper trapezius pain threshold, left rounded shoulder distance, and right lower trapezius strength. The only exceptions were neck flexion range of motion, left upper trapezius pain threshold, right rounded shoulder distance, and left lower trapezius strength, where no significant differences were found between the groups. Conclusion : The findings suggest that HFDT, by combining the benefits of high-frequency therapy and manual therapy, effectively alleviates upper trapezius muscle pain and tension, enhances neck mobility, and strengthens lower trapezius muscles. Thus, HFDT could be considered a valuable intervention for clinicians aiming to address FHP and associated musculoskeletal problems.

• The Journal of Korean Physical Therapy
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• 제23권4호
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• pp.1-6
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• 2011

Purpose: We investigated the effects of single-leg stance training on standing balance and mobility in patients with subacute hemiplegia. Methods: Seventeen matched subjects were assigned randomly to the experimental group or the control group. The experimental group comprising of 8 subjects received single-leg stance training and conventional physical therapy interventions 5 times per week for 4 weeks. The control group comprising of 9 subjects received only conventional physical therapy interventions 5 times per week for 4 weeks. Outcome measures were assessed before and after 4 weeks of intervention using the Berg Balance Scale (BBS), gait speed, and weight bearing index of the affected side. Results: Both the exercise groups showed significant improvements in BBS, gait speed, and weight bearing index (p<0.05). After 4 weeks of intervention, there were statistically significant differences in BBS and weight bearing index between the two groups (p<0.05). Conclusion: These findings suggest that conventional physical therapy interventions along with single-leg stance training could be more effective than conventional physical therapy alone for improving standing balance and mobility in patients with subacute hemiplegia.

• 대한치과보철학회지
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• 제38권3호
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• pp.291-309
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• 2000

Statement of problem. There were several studies on the effects of irradiation to peri-implant bone tissue. However, no clear biological effect of irradiation on peri-implant bone tissue was reported yet. Purpose. This study compared the effect of irradiation on the surrounding tissue of a HA-coated implant fixture with controls. Material and methods. 6 Steri-Oss implants were implanted into the femur of 6 mongrels. The implanted dogs were divided into three groups and received irradiation. After 1 month, 2months and 4 months healing period, the histologic examination and mobility test and digital radiographic imaging analyses were performed to compare the control and experimental group respectively. Results. The irradiated group showed slower healing than control group in light microscopic observations. The mobility test demonstrated significant less number (Periotest) in control group than that of irradiated groups. The digital radiographic imaging analysis showed that the bone density of irradiated group was higher than control group. Conclusion. Generally, control group showed favorable biological response and less mobility than irradiated group. The conflict result of bone density value were measured by the digital radiographic imaging analysis. The digital radiographic imaging analysis needs more research in future.

• 전자공학회논문지CI
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• 제45권6호
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• pp.52-59
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• 2008

기존의 ad-hoc 라우팅 프로토콜 성능분석은 ad-hoc을 구성하는 모든 노드들이 독립 이동하는 모델을 중심으로 주로 수행되었다. 그러나 실제 상황에서는 노드가 임의로 독립 이동을 하기보다는 단일 그룹 또는 몇 개의 그룹을 구성하여 이동하며 각 그룹에 리더가 존재하는 경우가 자주 발생하게 된다. 본 논문은 그룹의 리더가 존재하는 그룹 이동 환경에서의 ad-hoc 라우팅 프로토콜의 성능분석을 수행하여 새로운 결과를 제시하였다. 군 전술 이동 망 등에 적합한 그룹 이동 모델인 RPGM 환경에서의 테이블 기반 DSDV 프로토콜과 요구 기반 AODV와 DSR 프로토콜 성능을 비교 분석 하였다. 단일 그룰 외에 다수 그룹의 이동도 함께 연구 제시하여 그룹 이동에 따른 특성 분석을 보다 포괄적으로 수행하고자 하였다. 단일 그룹 환경에서의 일반적인 성능특성은 노드 그룹 이동의 환경에서도 노드 독립 이동과 거의 유사함을 보였다. 그러나 독립이동의 경우 pause time이 증가함에 따라 높은 전송률을 보인 반면, 그룹이동 환경에서는 변함이 거의 없었다. 또한 연결 비율을 증가시키는 경우 기존 독립 이동시에는 전송지연시간이 일정하게 유지되나, 다수 그룹 이동의 경우 요구 기반 프로토콜 사용 시 감소하였다.

• 대한물리의학회지
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• 제13권3호
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• pp.81-89
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• 2018

PURPOSE: This study was conducted to monitor the performance of breathing exercises by patients with lumbar instability who had altered breathing patterns. METHODS: To investigate the effects of breathing exercises on spinal posture, mobility, and stabilization in patients with lumbar instability with altered breathing patterns, 30 adult participants were enrolled on the basis of the selection criteria and randomly assigned to the breathing exercise group (BEG) or trunk stabilization exercise group (SEG). A pre-test was performed prior to the intervention exercise program. The intervention exercise program consisted of 15 sessions (three sessions per week for 5 weeks) between August and September of 2016. The post-test was performed on the 6th week of intervention. RESULTS: Pre- and post-test comparisons of BEG and SEG revealed significant improvements in all tested items in the SEG, except for spinal mobility, while significant improvements in spinal postures 1 and 2, spinal mobility, and stabilization were found in the BEG. Between-group comparisons revealed that there were no significant differences in spinal posture 1, spinal posture 2, spinal mobility, or stabilization, whereas significant differences were found in spinal posture 2 and spinal mobility, with the BEG showing greater improvements than the SEG. CONCLUSION: Based on the findings in the present study, it is believed that breathing exercises have important effects on spinal posture, mobility, and stabilization in patients with lumbar instability who have altered breathing patterns.

• 한국전문물리치료학회지
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• 제13권3호
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• pp.10-17
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• 2006

The purpose of this study was to determine the consequence of resistance strengthening exercise on the hip flexor and extensor performed to improve functional mobility in stroke patients more than six months post stroke. Seventeen patients were randomized into two groups. Both groups received conventional physical therapy for six weeks. In addition, the experimental group performed eccentric resistance strengthening exercise in the hip flexor and extensor using an isokinetic dynamometer. The hip flexor and extensor strength, stair up and down mobility, timed get up and go (TUG), 10 m gait velocity, and functional reach were repeatedly measured at baseline, three weeks, and six weeks after treatment. The results were as follows: 1. The experimental group improved more remarkably in the hip flexor and extensor strength, stair up and down mobility, and the 10 m gait velocity after three weeks and six weeks of treatment (p<.05), 2. The control group improved significantly in the hip flexor and extensor strength, and 10 m gait velocity after three weeks of treatment (p<.05), 3. At each three and six week point, the experimental group made greater gains in hip flexor and extensor strength, stair up and down mobility, and 10 m gait velocity than the control group (p<.05). In conclusion, it is desirable to perform resistance strengthening exercises combined with conventional physical therapy to improve functional mobility in chronic stroke patients.

• Physical Therapy Rehabilitation Science
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• 제10권2호
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• pp.235-243
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• 2021

Objective: This study aimed to investigate the short-term effects of flexion-distraction spinal manipulation on intervertebral height, pain, spine mobility in patients with lumbar degenerative disc disease. Design: Randomized controlled trial with a pretest-posttest control group design Methods: A total of 96 participants with degenerative disc disease participated in the study and were randomly divided into two groups. Both groups received intervention for 3-5 minutes a day. The experimental group (n=48) underwent flexion-distraction spinal manipulation for 3-5 minutes, and the control group (n=48) was maintained in the same position as the experimental group for 5 minutes without any intervention. The intervertebral height was measured by computed tomography, pain was assessed using visual analog scale, and the spine in flexion mobility was measured using the finger-to-floor distance test and passive straight leg raise test. Pre-test and post-test measurements were obtained. Results: The experimental group showed significant improvement in intervertebral height, degree of pain, and spinal mobility (p<0.05). The intervertebral height increased from 6.32±1.90 to 6.93±1.85 mm (p<0.05), lower back pain decreased from 69.17±13.35 mm to 48.48±12.20 mm (p<0.05), lumbar spine mobility changed from 17.37±4.49 to 12.69±4.34 cm (p<0.05), and passive straight leg raise test range increased from 46.94±13.05° to 56.01±12.20° (p<0.05). Conclusions: This study suggests that flexion-distraction spinal manipulation could be an effective treatment for decreasing pain and improving function in patients with degenerative disc disease.

• PNF and Movement
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• 제20권3호
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• pp.451-459
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• 2022

Purpose: Temporomandibular disorder (TMD) is a common musculoskeletal problem that causes pain in and disability of masticatory muscles, the temporo-mandibular joint (TMJ), and related structures. The purpose of this study was to compare pressure pain thresholds (PPTs) of masticatory muscles, cervical ranges of motion (ROM), and pelvic mobility during gait of subjects with or without TMD. Methods: In this study, pain thresholds and changes in the mobility of the cervical vertebrae and pelvis were measured in 25 patients with TMD and 25 healthy controls. Using a pressure algometer, the pressure pain thresholds (PPTs) of the masseter and temporalis muscles were measured in both groups. A gyroscope sensor with a mobile application was used to determine cervical ROM in the frontal and sagittal planes. A 3D-motion analysis system was used to evaluate pelvic mobility in the sagittal, frontal, and transverse planes during gait. Results: The TMD group showed significantly decreased PPTs of masseter and temporalis muscles compared with the control group (p < 0.05). Cervical ROM in flexion, extension, and lateral bending were significantly decreased in the TMD group compared with the control group (p < 0.05). In addition, antero-posterior pelvic tilt was significantly decreased in the TMD group (p < 0.05). Conclusion: The results of the current study suggest that there are close anatomical and functional relationships between TMD and muscle chains related to the cervical spine and pelvis. Therefore, more comprehensive body posture assessments, especially of painful areas, should be undertaken when studying TMD patients.

• Journal of Periodontal and Implant Science
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• 제27권1호
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• pp.179-189
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• 1997

Teeth mobility is an important part of a periodontal examination, because it represents a function of the persisting height of the alveolar bone and the width of the periodontal ligament. The purpose of this study was to evaluate clinical difference in teeth mobility after treatment with the modified Widman flap and the undisplaced flap in humans. Twenty males with moderate periodontal disease were selected. The severity of periodontal disease was evaluated with sulcular bleeding index, pocket depth and attachment level and tooth mobility was measured with Periotest(Siemens Co., Germany) at the initial examination, 1, 2, 4, 6, 8 and 12 weeks following the modified Widman flap and the undisplaced flap operation using the split-mouth technique. The relation of mobility to clinical parameters was statistically analyzed by multiple regression and the change of teeth mobility according to healing process by independent t-test using SPSS program. The results were as follows: 1. There was a strong relationship between the Periotest value(PTV) and attachment level. 2. The change of teeth mobility in both flap procedures was increased significantly at 1 week post-op. and was decreased to preoperative level at 4 weeks post-op, in modified Widman flap and at 6 weeks post-op. in undisplaced flap. 3. The change of teeth mobility in premolar teeth group in undisplaced flap compared to modified Widman flap was generally increased but these changes were not statistically significant. The changes of teeth mobility in molar teeth group in undisplaced flap was increased significantly at 2 weeks post-op.. 4. The change of teeth mobility following undisplaced flap was increased significantly compared to that of modified Widman flap at 2 weeks post-op.

• 한국엔터테인먼트산업학회논문지
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• 제14권8호
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• pp.245-253
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• 2020

본 연구는 호흡 패턴 교정 후, 호흡 동안 흉·복부 둘레 선 세 곳의 운동성(TAMs) 변화와 몸통 전방 굴곡 동안 흉추(TSM) 및 요추부 운동성(LSM)의 변화를 조사하기 위해 수행되었다. 요추부 불안정성이 있는 30명의 대상자들을 15명의 호흡패턴 교정운동 그룹과 15명의 요추부 안정화운동그룹으로 나누어, 한 세션 당 40분 운동, 총 18 세션을 6주 동안 적용하였다. 연구 결과, 호흡패턴교정 그룹은 안정화 운동 그룹에 비해 모든 TAMs과 TSM 이 유의하게 더 증가한 것으로 나타났고 LSM은 더 유의한 감소를 보였다(p<.001). 호흡패턴교정은 전체 TAM(안정호흡: r= .868, 노력성호흡: r= .870) 및 TSM(r= .672)과는 높은 양의 상관관계를, LSM(r= -.420)과는 음의 상관관계를 나타내었다. 본 연구 결과를 기초로, 요추부 불안정성자의 호흡패턴교정이 흉·복부 둘레 선의 상대적 운동성 개선을 통해 흉추와 늑골 관절의 운동성을 촉진하여 몸통 전방 굴곡 시 요추부 굴곡 운동성을 감소시킬 수 있다고 제안한다.