• Journal of the Korea Convergence Society
• /
• v.12 no.12
• /
• pp.509-518
• /
• 2021

This study was conducted to examine the effects of auricular acupressure on quality of sleep and depression. Adults who had insomnia for over 1 month were recruited. Participants were distributed randomly to the experimental group(n=22) and the control group(n=22). The experimental group received auricular acupressure on Shen men(TF2), insomnia 1(SF4), insomnia 2(SF1), and anti-depression(LO8) for 1 week. The contrast group received sleep hygiene education. The mean differences of the quality of sleep were 4.05±2.52 in the experimental group and 1.45±3.77 in the control group. Auricular acupressure significantly decreased insomnia in the experimental group compared to the control group(t=3.07, p=.004). Depression scores after acupressure were not different between the experimental group and the control group. After controlling the religion as a covariate, the mean difference of depression in the experimental group was higher than the control group(F=4.22, p=.046). In conclusion, auricular acupressure decreased insomnia and depression. Therefore, further studies on different acupressure points such as shen men, jiao gan, heart, pi zhi xia, and endocrine are recommended.

• The Journal of the Korea Contents Association
• /
• v.9 no.12
• /
• pp.691-698
• /
• 2009

The purpose of this study was to examine the effect of neuromuscular electrical stimulation(LFES) during hindlimb suspension on weight and function of rat hindlimb muscles. Sprague-Dawley rats(body weight 300-350g) were randomly assigned to five groups: a HLS(n=5) that were hindlimb suspended for 14 days, a WB(n=5) that kept as control, a ES14 that were hind limb suspended for 14days with pre-application of LFES for 14 days, ES11 that were hindlimb suspended for 14 days with pre-application of LFES for 11 days, a LFES 7 that were hindlimb suspended for 14 days with pre-application of LFES for 7 days. Gastrocnemius muscle weight, stride length were significantly decreased and toe out angle were significantly increased in HLS and ES7 groups, whereas muscle weight, stride length, toe out angle were maintained in ES14, ES11. this indicated that LFES for 14 days, LFES for 11 days could prevent muscle atrophy and retain function.

• Journal of the Korean Society of Physical Medicine
• /
• v.11 no.2
• /
• pp.63-70
• /
• 2016

PURPOSE: The aim of this study was to conduct an Otago exercise program with stroke patients in a clinical setting and ascertain its effects on balance and walking ability. METHODS: The participating subjects were 45 people who had been diagnosed with stroke. They were assigned to two groups (Otago exercise; OE, n=22; balance exercise; BE, n=23), and the exercises were conducted for three sessions per week for eight weeks. The main balance outcomes were evaluated using the timed up and go test (TUG) and the four step square test (FSST), while walking ability was evaluated using the 10 m walk test (10MWT), direction change ability was measured using the figure 8 of walk test (F8WT), and the decrease of fear was evaluated using the modified falls efficacy scale (MFES). RESULTS: In the analysis results, the Otago exercise group showed significant increases in TUG, FSST, 10MWT, and F8WT within the both groups. There were significant differences in all variables between the OE group and the BE group at the post-intervention evaluation, but there was no significant difference between the groups with respect to the 10MWT. This study showed that conducting Otago exercise in stroke patients increased the main outcomes for TUG, FSST, F8WT scores, but not for 10MWT. CONCLUSION: The results of this study demonstrated that Otago exercise would be useful to improve balance and gait for stroke patients who want to improve their abilities and activities of daily living.

• Women's Health Nursing
• /
• v.18 no.3
• /
• pp.209-222
• /
• 2012

Purpose: The purpose of this study was to determine whether upright position is effective in labor through systematic review in randomized controlled trials. Methods: We established the PICO (Patient-Intervention-Comparator-Outcome) strategy, and reviewed 282 literatures from national and international electronic databases, and finally selected 9 references based on inclusion and exclusion criteria. We evaluated the quality of references and carried out a meta-analysis. Results: The maternal outcomes showed that the duration of their second-stage labor was 2.29 minutes shorter than that of the women in the recumbent position, and were less likely to have episiotomy. The other outcomes, including the mode of delivery, blood loss, hemoglobin level, use of oxytocin, use of analgesics, and perineal laceration, did not differ between the groups. The fetal heart rate abnormality occurred less than in the control group. The Apgar scores of the groups did not differ. Conclusion: There is evidence that an upright position in the second stage of labor reduces the duration of the second stage of labor, the incidence of episiotomy, and an abnormal fetal heart rate.

• Korean Journal of Adult Nursing
• /
• v.25 no.2
• /
• pp.219-230
• /
• 2013

Purpose: This study is reviewed of the available literature to identify the evidence of the value of Kegel exercise programs as an intervention to decrease urinary incontinence and the improvement of the quality of life following a radical prostatectomy in localized prostate cancer. Methods: We searched studies of randomized controlled trials that utilized the Kegel exercise programs with patient with a radical prostatectomy. The review was conducted electronic bibliographic database of Ovid-Medline, Embase, Scopus, KoreaMed and NDSL, etc. Of 630 publications identified, seven studies that met the inclusion criteria, and all studies analyzed by meta-analysis. To ensure the quality of the studies, we used Cochrane's Risk of Bias. Results: Kegel exercise helped patient to achieve continence more quickly (after 1, 3, 6, 12 months) than men not using Kegel exercises. Especially, Kegel exercise significantly reduced the development of urinary incontinence at one month after prostatectomy. The effectiveness of Kegel exercise after prostatectomy was found to improve the quality of life at a significant level. Conclusion: Based on available evidence, Kegel exercise that nurses can teach improved the return to continence more than usual care in men with prostatectomy urinary incontinence.

• Journal of the Institute of Electronics and Information Engineers
• /
• v.53 no.4
• /
• pp.68-75
• /
• 2016

As the number of cores and IPs increase in multiprocessor system-on-chip (MPSoC), network-on-chip (NoC) has emerged as a promising novel interconnection architecture for its parallelism and scalability. However, minimization of the latency in NoC with legacy bus IPs must be addressed. In this paper, we focus on the latency minimization problem in NoC which accommodates legacy bus protocol based IPs considering the trade-offs between hop counts and path collisions. To resolve this problem, we propose separated address/data network for independent address and data phases of bus protocol. Compared to Mesh and irregular topologies generated by TopGen, experimental results show that average latency and execution time are reduced by 19.46% and 10.55%, respectively.

• The Journal of the Acoustical Society of Korea
• /
• v.13 no.1
• /
• pp.71-83
• /
• 1994

This paper deals with the improvement of the synthesized speech quality and naturality in the Korean TTS(Text-to-Speech) system. We had extracted the parameters(table2) such as its amplitude, duration and pitch period in a syllable through the analysis of speech waveforms(table1) in the time domain and synthesized syllables using them. To the frequencies of the Korean pronunciation large vocabulary dictionary we had synthesized speeches selected 229 syllables such as V types are 19, CV types are 80. VC types are 30 and CVC types are 100. According to the 4 Korean syllable types from the data format dictionary(table3) we had tested each 15 syllables with the objective MOS(Mean Opinion Score) evaluation method about the 4 items i.e., intelligibility, clearness, loudness, and naturality after selecting random group without the knowledge of them. As the results of experiments the qualities of them are very clear and we can control the prosodic elements such as durations, accents and pitch periods (fig9, 10, 11, 12).

• The Journal of Korean Institute of Communications and Information Sciences
• /
• v.33 no.11B
• /
• pp.1030-1037
• /
• 2008

This paper presents an algorithm for the path-finding problem in unknown environments with cooperative and commutative multi-robots. To verify the algorithm, we investigate the problem of escaping through the exit of a randomly generated maze by muti-robots. For the purpose, we adopt the so called frontier cells and cell utility functions, which were used in the exploration problem for the multi-robots. For the wireless communications among the mobile robots, we modify and utilize the so called the random basket routing, a kind of hop-by-hop opportunistic routing. A mobile robot, once it finds the exit, will choose its next action, either escape immediately or stay-and-relay the exit information for the others, where the robot takes one action based on a given probability. We investigate the optimal probability that minimizes the average escaping time (out of the maze to the exit) of a mobile robot.

• Journal of the Korea Society for Simulation
• /
• v.24 no.4
• /
• pp.77-88
• /
• 2015

In this paper, we consider a two-agent single-machine scheduling problem with exponential job-dependent position-based learning effects. The objective is to minimize the total weighted completion time of one agent with the restriction that the makespan of the other agent cannot exceed an upper bound. First, we propose a branch-and-bound algorithm by developing some dominance /feasibility properties and a lower bound to find an optimal solution. Second, we design an efficient simulated annealing (SA) algorithm to search a near optimal solution by considering six different SAs to generate initial solutions. We show the performance superiority of the suggested SA using a numerical experiment. Specifically, we verify that there is no significant difference in the performance of %errors between different considered SAs using the paired t-test. Furthermore, we testify that random generation method is better than the others for agent A, whereas the initial solution method for agent B did not affect the performance of %errors.

• The Journal of the Korea institute of electronic communication sciences
• /
• v.9 no.11
• /
• pp.1283-1290
• /
• 2014

This study was conducted to apply microcurrents of $500{\mu}A$ effective for ATP generation to leg muscles to which delayed onset muscle soreness (DOMS) had been induced in order to examine whether the microcurrent stimulation was effective for gait improvement. Forty subjects were randomly assigned to an experimental group of 20 subjects and a placebo group of 20 subjects. Microcurrents were applied immediately after inducing DOMS and 24 hours and 48 hours thereafter and changes in the center of pressure (COP), cadence, and affected stance phases were measured. According to the results of the measurement, changes in the COP, cadence, and affected stance phases at 48 hours after the induction of DOMS were statistically significant compared to the values before the induction. The COP of the experimental group became statistically significantly lower and the ratio of affected stance phases of the experimental group became statistically significantly higher compared to the placebo group at 48 hours after the induction of DOMS. Therefore, $500{\mu}A$ microcurrents showed effects for gait improvement by promoting the recovery and healing of damaged muscles.