• The Journal of the Korea Contents Association
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• v.10 no.8
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• pp.283-291
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• 2010

The purpose of this study was to investigate the effect of foot placement and height of bed surface on lumbar spine load in a dummy transfer activity. Fifteen healthy male students participated in this study. All subjects were involved in four different conditions according to foot placement (11 figure and $90^{\circ}$ figure) and height of bed surface (44 cm and 66 cm) randomly. Muscular activations of the biceps brachii, rectus femoris, elector spinae using surface-EMG, vertical ground reaction using force plate, and L4/L5 compression force using 3DSSPP (3D Static Strength Prediction Program) were measured and analysed. The results showed that muscular activations were not significantly different for the various conditions except for the rectus femoris on the right side (p<.05). Futhermore, the vertical ground reaction and L4/L5 compression force were significantly different conditions (p<.05). In conclusion, it is suggested that foot placement at $90^{\circ}$ figure is safer for transfer activity compared with the 11 figure.

• Journal of Korea Multimedia Society
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• v.11 no.11
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• pp.1575-1591
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• 2008

In this paper, we propose a new method detecting foot motion capture in order to overlap in realtime foot's 3D virtual model from stereo cameras. In order to overlap foot's virtual model at the same position of the foot, a process of the foot's joint detection to regularly track the foot's joint motion is necessary, and accurate register both foot's virtual model and user's foot in complicated motion is most important problem in this technology. In this paper, we propose a dynamic registration using two types of marker groups. A plane information of the ground handles the relationship between foot's virtual model and user's foot and obtains foot's pose and location. Foot's rotation is predicted by two attached marker groups according to instep of center framework. Consequently, we had implemented our proposed system and estimated the accuracy of the proposed method using various experiments.

• Korean Journal of Weed Science
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• v.5 no.2
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• pp.103-108
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• 1985

A series of experiments were conducted to determine the effect of pH, salinity, seeding depth, and moisture stress on the germination and growth of Echinochloa colons (L.) Link. Germination significantly decreased at pH 10, but shoot lengths were not affected by the pH tested. Germination was not affected by salt concentrations of up to 0.1%, but was significantly reduced at 0.5%. A 1.0% salt concentration did not significantly reduce shoot length. Increase in seeding depth significantly reduced emergence. Irrespective of seeding depth, the coleoptilar node was always just below the soil surface. Delayed and decreased germination was obtained at -4.6 bars of simulated water potential, while no germination occurred at -9.8 bars. Soil moisture stress significantly reduced plant height, delayed panicle initiation, and reduced seed production.

• Korean Journal of Plant Resources
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• v.20 no.2
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• pp.193-200
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• 2007

Pollen grains of seven taxa on the family Pyrolaceae, known to be distributed in Korea (Pyrola dahurica(Andreses) Kom., P. incarnata (DC.) Fisch. ex Kom., P. japonica Klenze ex Alefeld, P. minor L., P. renifolia Max., Orthilia secunda (L.) House, Chimaphila japonica Miq.), were examined by the light and the scanning electron microscope in order to evaluate their taxonomic significances. The pollen units of genus Pyrola, Orthilia, Chimaphila were tetrad, monad, polyad respectively. This characteristics was good character for delimiting the genus, and Orthilia secunda (L.) House was more proper scientific name than Pyrola secunda L. based upon this character. Pollen size, tricolporate length, surface sculpturing pattern were different slightly among the treated taxa, and surface sculpturing patterns of Pyrola dahurica, P. incarnate, P. renifolia, Chimaphiza japonica were different from previous reports. Evolutionary trends of pollen grains in Pyrolaceae were inferred from the pollen units and aperture shapes.

• Journal of rehabilitation welfare engineering & assistive technology
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• v.9 no.1
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• pp.67-72
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• 2015

The system for controlling the robotic arm through the foot motion detection was implemented for the disabled who not free to use of the arm. In order to get an image on foot movement, two cameras were setup in front of both foot. After defining multiple regions of interest by using LabView-based Vision Assistant from acquired images, we could detect foot movement based on left/right and up/down edge detection within the left/right image area. After transferring control data which was obtained according to left/right and up/down edge detection numbers from two foot images of left/right sides through serial communication, control system was implemented to control 6-joint robotic arm into up/down and left/right direction by foot. As a result of experiment, we was able to get within 0.5 second reaction time and operational recognition rate of more 88%.

• Korean Journal of Weed Science
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• v.10 no.4
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• pp.305-311
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• 1990

Effects of light on germination of major weeds in upland fields were examined. Most weeds showed light positive response to germination at above 25$^{\circ}C$, but germination percentage was very low at lower temperatures. Red light promoted germination of Amaranthus lividus, Portulaca oleracea, and A. retroflexus, but far-red light inhibited germination. Germination resposnse of A. retroflexus, A. lividus, and P. oleracea showed reversible reaction to red/far-red light, and thus it seemed that phytochrome was involoved in seed germination, Echinochloa crusgali and Eleusine indica showed higher germination percentage under the conditions of continuous illumination of red, white, and bule lights, and thus it was estimated that blue light pigment (HIR, high irradiation reaction) related to long time illumination was involved in germination in addition to phytochrome.

• Korean Journal of Applied Biomechanics
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• v.19 no.4
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• pp.663-669
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• 2009

The purpose of this study was to investigate the functional role of foot effectiveness when humans execute running turn maneuvers. Foot rotation angle at the starting turn and body angle at the vertical axis were analyzed through three-dimensional image analysis and ground reaction force analysis. Then, we created a simple equation: foot effectiveness = total foot rotation angle/total body rotation angle at the vertical axis. This equation made it possible to explain the dynamics of angular running turns. We analyzed data from running turns(0, 30, and 60) at average initial running velocities of 4.5, as well as rotations around the vertical axis during the running turns. As a result, the stance time, foot placement, and left and right force increased.

• Journal of Digital Convergence
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• v.15 no.9
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• pp.249-259
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• 2017

Purpose: The purpose of this study was to examine the effect of the foot-reflexology massage on sleep, depression and constipation in community-dwelling elders. Methods: A nonequivalent control group pretest-posttest design was conducted. Participants were 46 old adults, aged >65 years who were recruited from two senior welfare centers in D metropolitan city (experimental group=24, control group=22). The intervention was conducted in 10 sessions over 2 weeks, taking 20 min per session. Collected data were analyzed using descriptive statistics, ${\chi}^2-test$, independent t-test, and Pearson correlation coefficient with the SPSS 22.0 Windows program. Results: The experimental group showed significant improvements in sleep (t=-5.60, p<.001), depression (t=3.93, p<.001), and constipation (t=4.90, p<.001) after 2 weeks of the foot-reflexology massage. Conclusion: These findings indicate that the foot-reflexology massage is an effective intervention program for improving sleep, depression and constipation of old adults.

• Journal of the Korean Applied Science and Technology
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• v.31 no.1
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• pp.23-30
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• 2014

In this study, a research of anti-inflammatory effect and application for cosmetics after extracting of germinated mung bean. Germinated mung bean extract was showed high NO constraining effect compared with $250{\mu}g/m{\ell}$ concentrated mung bean extract and germinated mung bean extract. Also shown is the highest nitrogen oxide inhibiting effect that using 1,3-butylene glycol when comparing the results of extraction conditions of a water-soluble, and extracted mung bean germinated for 5 days. The result of applying the germinated mung bean extract hairdye inflammatory reaction happens many showed nitrogen oxides higher inhibitory effect than that hair dye containing germinated mung bean extract is not included. Therefore, germinated mung bean extract is expected to the abirritant and anti-inflammatory agent as the material for cosmetic.

• KSBB Journal
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• v.17 no.1
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• pp.49-53
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• 2002

The changes in the levels of $\gamma$ -aminobutyric acid (GABA) and some free amino acids were investigated in germinating brown rices. Ungerminated brown rices were germinated for 72 hrs by application of the following solutions: 1) distilled water, 2) 50 ppm lactic acid, 3) 5 mM glutamic acid. The GABA levels were enhanced in all germinated states of brown rices compared with ungerminated ones, highest in the germinated brown rices by 5 mM glutamic acid solution. Alanine levels were also enhanced significantly in the germinated brown rices. The levels of aspartic acid and glutamic acid were decreased significantly in all the germinated states. The levels of serine decreased during germination in the solutions of water and lactic acid were increased by the germination in the glutamic acid solution. The data show that germination of brown rices by the application of the glutamic acid solution can significantly increase the levels of GABA and can restore the serine level.