• 한국전문물리치료학회지
• /
• 제19권1호
• /
• pp.10-18
• /
• 2012

The purpose of this study was to determine the effects of weight shift training with joint mobilization on the ankle joint passive range of motion (PROM), balance capacity and gait velocity in hemiplegic patients. Fourteen subjects were randomly assigned to either the experimental group (EG) or the control group (CG), with seven subjects in each group. The EG received weight shift training with joint mobilization in the paretic leg's subtalar joint in order to increase ankle dorsiflexion. The CG received general physical therapy training. Both groups received training five times a week over a period of two consecutive weeks. The figures for PROM of ankle dorsiflexion on the paretic leg, the functional reach test (FRT), the timed up and go (TUG) test, and gait velocity were recorded both before and after the training sessions for both groups. The EG's results in gait velocity, the FRT and the TUG test improved after training (p<.05). The PROM of ankle dorsiflexion improved both in the EG and the CG (p<.05), the EG demonstrated a significantly higher increase (p<.05) than that of the CG. The results of this study suggest that increased joint mobilization positively affects balance and gait velocity of hemiplegic patients. Further studies with a greater sample size are necessary in order further prove the accuracy of the results of this study.

• 대한정형도수물리치료학회지
• /
• 제17권2호
• /
• pp.25-32
• /
• 2011

Background: This study was to examine the effect of applying leg exercise using visual informations on improving stroke patient's muscle power, balance and gait. Methods: The subjects of this study were hemiplegic patients by stroke, 30 patients were picked up, who were agreed with this research and were having hospital care for 8 weeks at RS, RB and HH medical centers. The study group was 15 and comparison group was 15, totally 30 patients were confirmed. leg exercise using visual informations was applied to study group, leg exercise without visual informations was applied to comparison group. These were proceeded for 8 weeks (5 days a week, 20 minutes a day), change of muscle power, balance and gait was checked to investigate the effect. Electromyography apparatus was used for checking muscle power, K-BBS (Korean version of Berg Balance Scale) and COP (center of pressure) were used for balance, then Functional Gait Assessment (FGA), timed up and go test (TUG) were used for checking the capacity of gait. Results: Vastus lateralis (p=.002), biceps femoris (p=.000), K-BBS (p=.000), COP (p=.007), FGA (p=.002), TUG (p=.009) are significant difference between the two groups. Conclusion: This study showed that visual informations impact change of muscle activity, balance and locomotor ability in stroke patients.

• 한국전문물리치료학회지
• /
• 제22권4호
• /
• pp.34-43
• /
• 2015

The purpose of this study was to compare the effects of underwater treadmill gait training (UTGT) and overground treadmill gait training (OTGT) on the gait, balance ability and pulmonary function of stroke patients. Twenty subjects were recruited for this study. The subjects were randomly assigned to two groups: UTGT ($n_1$=10) and OTGT ($n_2$=10). The 10 m walk test (10 MWT), Berg Balance Scale, Timed Up and Go (TUG) test, center of pressure, pulmonary function of forced vital capacity (FVC), forced expiratory volume after 1 sec (FEV1) and FEV1/FVC were measured before and after 4 weeks of training. Both groups undertook the gait training for 30 min a day, 3 times a week, for 4 weeks, and rating of perceived exertion of the groups were measured and compared. All the studied variables were significantly improved in both groups (p<.05) at the end of the study, except in the FEV1 of OTGT (p>.05). There was significant between-group difference in all of the variables, except in the 10 MWT (p>.05). These findings suggest that UTGT is more effective than OTGT in improving the balance and pulmonary functions of stroke patients.

• 융합정보논문지
• /
• 제10권2호
• /
• pp.176-183
• /
• 2020

본 연구의 목적은 복부압박벨트가 뇌졸중 환자의 폐 기능, 균형 및 보행능력에 미치는 영향을 즉각적으로 알아보고자 함이다. 20명의 뇌졸중 환자를 대상으로 복부압박벨트 착용 전에 폐기능, 압력중심, 버그균형검사, 일어서서 걷기 검사, 10m 보행, 기능적 보행검사를 실시하였다. 복부압박벨트를 착용한 직후에 사후 평가를 실시하였다. 연구 결과 복부압박벨트를 착용하였을 때 노력성 폐활량과 1초간 노력성 날숨 유량을 제외한 모든 결과값이 유의한 변화를 보였다. 본 연구를 통해 뇌졸중 환자가 복부압박벨트를 착용하였을 때 균형과 보행 능력의 증가에 즉각적인 영향을 미친다는 것을 알 수 있었다. 향후 연구에서는 폐 기능을 개선시키기 위해 압박 수준과 자세 변경과 같은 노력이 필요할 것이다.

• 풍력에너지저널
• /
• 제15권1호
• /
• pp.91-102
• /
• 2024

Rapid progress is being made in foundational technology research and engineering for the construction of floating offshore wind farms. There is active development of technology for detachable mooring systems, which have strengths in addressing maintenance issues that arise in floating offshore wind farms and enhance their economic viability. Conventional detachable mooring systems use Kenter links inserted into the middle of mooring chains, which require excessive time for retrieval by Anchor Handling Tug Supply (AHTS) vessels during detachment operations. Moreover, these operations pose risks of link damage and accidents. Therefore, there is a demand for the development of a new concept of detachable mooring systems. The proposed detachable mooring system in this study simultaneously integrates a fairlead chain stoppers (FCS) and submersible mooring pulleys (SMP), which enables all operations to be conducted on the AHTS vessel without underwater tasks. This study detailed the design and safety evaluation of the SMP, a core component of the detachable mooring system, based on the minimum breaking load (MBL) of selected mooring lines according to the capacity of the floating platform. It referenced international codes (AISC Specification for Structural Steel Buildings D5, Pin-Connected Members) for design verification and performed finite element analysis to evaluate the strength of major components in installation and operation scenarios. Additionally, procedures and techniques for evaluating the structural strength of components under uncertain boundary conditions were proposed.