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대한물리치료학회지(JKPT) update

The Journal of Korean Society of Physical Therapy

  • : 대한물리치료학회
  • : 의약학분야  >  재활의학
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  • : 2287-156x
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수록정보
수록범위 : 1권1호(1989)~31권6호(2019) |수록논문 수 : 1,457
대한물리치료학회지(JKPT)
31권6호(2019년 12월) 수록논문
최근 권호 논문
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KCI등재

1Detection and Quantification of Screw-Home Movement Using Nine-Axis Inertial Sensors

저자 : Jeong Woo Jeon , Dong Yeop Lee , Jae Ho Yu , Jin Seop Kim , Jiheon Hong

발행기관 : 대한물리치료학회 간행물 : 대한물리치료학회지(JKPT) 31권 6호 발행 연도 : 2019 페이지 : pp. 333-338 (6 pages)

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Purpose: Although previous studies on the screw-home movement (SHM) for autopsy specimen and walking of living persons conduc­ted, the possibility of acquiring SHM based on inertial measurement units received little attention. This study aimed to investigate the possibility of measuring SHM for the non-weighted bearing using a micro-electro-mechanical system-based wearable motion capture system (MEMSS).
Methods: MEMSS and camera-based motion analysis systems were used to obtain kinematic data of the knee joint. The knee joint moved from the flexion position to a fully extended position and then back to the start point. The coefficient of multiple correlation and the difference in the range of motion were used to assess the waveform similarity in the movement measured by two measurement sys­tems.
Results: The waveform similarity in the sagittal plane was excellent and the in the transverse plane was good. Significant differences were found in the sagittal plane between the two systems (p< 0.05). However, there was no significant difference in the transverse plane between the two systems (p >0.05).
Conclusion: The SHM during the passive motion without muscle contraction in the non-weighted bearing appeared in the entire range. We thought that the MEMSS could be easily applied to the acquisition of biomechanical data on the knee related to physical therapy.

KCI등재

2Comparing Changes in Knee Muscle Strength after Reconstruction of the Anterior and Posterior Cruciate Ligaments

저자 : Sangwook Hyun , Sohee Kim , Taeho Kim

발행기관 : 대한물리치료학회 간행물 : 대한물리치료학회지(JKPT) 31권 6호 발행 연도 : 2019 페이지 : pp. 339-345 (7 pages)

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Purpose: The purpose of this study was to identify changes in knee muscle strength after reconstruction of the anterior cruciate ligament (ACL) and the posterior cruciate liga­ment (PCL).
Methods: Thirteen subjects (males) with anterior ligament injury and ten subjects (males) with posterior ligament injury voluntarily par­ticipated in this study. Both groups were evaluated at the pre-and post-reconstruction stages using an isokinetic dynamometer. Peak torque, total work, and the hamstrings to quadriceps (H/Q) peak torque ratio were calculated at angular velocities of 60°/sec and 180°/sec. Statistical analysis was conducted on SPSS 18.0 for Windows using t-tests to compare mean differences.
Results: At an angular velocity of 60°/sec, both the ACL and PCL groups showed a significant increase in muscle strength in the flexors and extensors. Muscle strength in the extensors was significantly increased in the PCL group compared to the ACL group. At an angular velocity of 180°/sec, the ACL group showed a significant increase in muscle endurance in the flexors and extensors, and the PCL group showed a significant increase in muscle endurance in the flexors. At angular velocities of 60°/sec and 180°/sec, the H/Q peak torque ra­tio increased in the ACL group but decreased in the PCL group. Consequently, the H/Q peak torque ratio was significantly different for the two groups.
Conclusion: The results suggest that the patients with ACL injury should focus on strengthening the knee extensors and that the pa­tients with PCL injury need to strengthen the knee flexors.

KCI등재

3The Effect of Calf Stiffness on Gait, Foot Pressure and Balance in Adults

저자 : Jeonhyeong Lee , Jongsung Chang

발행기관 : 대한물리치료학회 간행물 : 대한물리치료학회지(JKPT) 31권 6호 발행 연도 : 2019 페이지 : pp. 346-350 (5 pages)

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Purpose: The purpose of this study was to investigate the effects of calf tightness on gait, plantar pressure, and balance in adults.
Methods: A total of 60 participants were divided into a normal group of 30 subjects with normal dorsiflexion angle (20-25 degrees) and an experimental group of 30 subjects with limited dorsiflexion angle (0-15 degrees) due to calf tightness. Gait ability and foot pressure of the subjects was measured with a treadmill, and the balance ability was measured by PROKIN system.
Results: A significant difference in COP length, loading response, and single limb support was observed between groups. The COP length and single limb support ratio in the normal group was greater than in the experimental group, but the experimental group showed a higher ratio for loading response in the gait ratio.
Conclusion: Our results indicated that calf tightness was negative effects on balance and gait ability, so assessment of the muscle tight­ness should be considered during exercise and treatment.

KCI등재

4The Effects of McKenzie Exercise on Forward Head Posture and Respiratory Function

저자 : Seyoon Kim , Juhyeon Jung , Nansoo Kim

발행기관 : 대한물리치료학회 간행물 : 대한물리치료학회지(JKPT) 31권 6호 발행 연도 : 2019 페이지 : pp. 351-357 (7 pages)

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Purpose: This study sought to investigate the effects of the McKenzie exercise program on forward head posture and respiratory function.
Methods: Thirty adult men and women with forward head posture, aged 20-29 years, were randomly assigned to the experimental group (N=15) or the control group (N=15). Subjects in the experimental group performed the McKenzie exercises three times a week for four weeks, while subjects in the control group did not receive any intervention. Craniovertebral angle (CVA) was measured to quantify forward head posture, and forced vital capacity (FVC), FVC % predicted, forced expiratory volume at one second (FEV1), and FEV1 % pre­dicted were measured to determine changes in respiratory function. The Mann-Whitney U-test was used to analyze pre-test differences in forward head posture and respiratory function between the two groups, and the Wilcoxon signed-rank test was used to analyze dif­ferences in forward head posture and respiratory function within the groups before and after intervention. The significance level (α) was set to 0.05.
Results: A comparison of pre- and post-test measures showed that CVA significantly increased in the experimental group (p=0.001) de­noting postural improvement, whereas no significant difference was found in the control group (p=0.053). All respiratory measures, i.e.,FVC, FVC %pred, FEV1, and FEV1 %pred, were significantly improved in the experimental group, whereas there were no significant dif­ferences in the control group.
Conclusions: McKenzie exercise can be effective in improving forward head posture and respiratory function.

KCI등재

5Difference in Injury of the Corticospinal Tract and Spinothalamic Tract in Patients with Putaminal Hemorrhage

저자 : Sung Ho Jang , Jeong Pyo Seo

발행기관 : 대한물리치료학회 간행물 : 대한물리치료학회지(JKPT) 31권 6호 발행 연도 : 2019 페이지 : pp. 358-362 (5 pages)

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Purpose: We investigated the difference in injury of the corticospinal tract (CST) and the spinothalamic tract (STT) in patients with pu­taminal hemorrhage, using diffusion tensor tractography (DTT).
Methods: Thirty one consecutive patients with PH and 34 control subjects were recruited for this study. DTT scanning was performed at early stage of PH (7-63 days), and the CST and STT were reconstructed using the Functional Magnetic Resonance Imaging of Brain (FM­RIB) Software Library program. Injury of the CST and STT was defined in terms of the configuration or abnormal DTT parameters was more than 2 standard deviations lower than that of normal control subjects.
Results: Among 31 patients, all 31 patients (100%) had injury of the CTS, whereas 25 patients (80.6%) had injury of the STT: the inci­dence of CST injury was significantly higher than that of STT (p<0.05). In detail, 20 (64.5%) of 31 patients showed a discontinuation of the CST in the affected hemisphere; in contrast, 14 patients (45.2%) of 31 patients showed a discontinuation of the STT in the affected hemisphere. Regarding the FA value, 6 (19.4%) of 31 patients and 2 (6.4%) of 31 patients were found to have injury in the CST and STT, respectively. In terms of the fiber number, the same injury incidence was observed in 11 patients (35.5%) in both the CST and STT.
Conclusion: The greater vulnerability of the CST appears to be ascribed to the anatomical characteristics; the CST is located anteriorly to the center of the putamen compared with the STT.

KCI등재

6Effects of Instability Tools on Muscles Activities in Lunge Exercise in Healthy Adult Males

저자 : Kwangsu Kim , Jaehong Lee , Jinhwan Lee , Jaekwang Lee

발행기관 : 대한물리치료학회 간행물 : 대한물리치료학회지(JKPT) 31권 6호 발행 연도 : 2019 페이지 : pp. 363-367 (5 pages)

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Purpose: This study was to investigate the effect of instability on the activation of lower limb muscles during lunge exercise.
Methods: The study subjects were healthy twenties and were selected to have no orthopedic or neurological diseases. 1) Flat lunge exer­cise (Lunge 1, 2) Lunge exercise on TOGU (Lunge 2, 3) Holding the olympic bar and moving the lunge on TOGU (Lunge 3, 4) Holding the Surge and moving the lunge on TOGU (Lunge 4). Through the above four actions, we can see how the top-down instability influences the lower limb unlike the Bottom-up instability. EMG attachment sites were gluteus medius, vastus medialis, gastrocnemius, tibialis anterior.
Results: These result suggest that exercise using Lunge 4 activity was the highest in muscle activity compared to other exercises, but vastus medialis showed the highest muscle activity in Lunge 2 exercise(p<0.05).
Conclusion: This study showed the muscular activity of the lower extremities according to the lunge exercise using the instability tools.

KCI등재

7Leg Length Discrepancy to Influence on Kinematic Changes of the Pelvis and the Hip during Gait

저자 : Minsik Yong , Sohyun Park

발행기관 : 대한물리치료학회 간행물 : 대한물리치료학회지(JKPT) 31권 6호 발행 연도 : 2019 페이지 : pp. 368-371 (4 pages)

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Purpose: The purpose of this study was to investigate the effects of leg length discrepancy on kinematic changes of the pelvis and hip during gait.
Methods: A total of ten healthy women with no history of neurological, musculoskeletal surgery or injuries, or pain in the lower limbs were recruited. They were assigned to two groups; the experimental group (LLD) consisting of five subjects leg length discrepancy of 10mm to 18mm and the control group (CON) consisting of five subjects leg length discrepancy of<10 mm. All participants were in­structed to perform three walking trials for further analysis by using the Cortex 3.0 software program. Independent T-test and Mann-Whitney test were used to examine the effects of mild LLD on kinematic changes of the pelvis and hip during gait.
Results: Angles of hip flexion, hip abduction, pelvic obliquity, and pelvic tilt in the experimental group were not significantly different compared to those of the control group.
Conclusion: Mild leg length discrepancy induces kinematic changes in the lower limbs, including decreased hip flexion, increased hip ab­duction, and increased pelvic obliquity in the shorter limb, and increased hip adduction and increased pelvic obliquity in the longer limb. However, those changes were not significant.

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