• Title/Summary/Keyword: whole body reaction

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A Full Body Gumdo Game with an Intelligent Cyber Fencer using Multi-modal(3D Vision and Speech) Interface (멀티모달 인터페이스(3차원 시각과 음성 )를 이용한 지능적 가상검객과의 전신 검도게임)

  • 윤정원;김세환;류제하;우운택
    • Journal of KIISE:Computing Practices and Letters
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    • v.9 no.4
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    • pp.420-430
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    • 2003
  • This paper presents an immersive multimodal Gumdo simulation game that allows a user to experience the whole body interaction with an intelligent cyber fencer. The proposed system consists of three modules: (i) a nondistracting multimodal interface with 3D vision and speech (ii) an intelligent cyber fencer and (iii) an immersive feedback by a big screen and sound. First, the multimodal Interface with 3D vision and speech allows a user to move around and to shout without distracting the user. Second, an intelligent cyber fencer provides the user with intelligent interactions by perception and reaction modules that are created by the analysis of real Gumdo game. Finally, an immersive audio-visual feedback by a big screen and sound effects helps a user experience an immersive interaction. The proposed system thus provides the user with an immersive Gumdo experience with the whole body movement. The suggested system can be applied to various applications such as education, exercise, art performance, etc.

The Effect of Occlusal Condition on Physical Fitness and Motor Capacity in Athletes According to Various Types of Mouthguards (마우스가드의 형태가 운동선수의 체력 및 운동능력에 미치는 영향)

  • Choi, Su-Jeong;Jung, Jae-Kwang;Lee, Kyu-Bok;Chae, Woen-Sik
    • Journal of Dental Rehabilitation and Applied Science
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    • v.29 no.1
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    • pp.1-9
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    • 2013
  • This study examined the effects of the occlusal stability and a partial coverage mouthguard on physical fitness and motor capacity to determine the importance of the occlusal stability as a possible action mechanism of mouthguards on physical performance. Twenty physical education students were included for measurements of their handgrip strength, back strength, whole body reaction time, flexibility, sidestep test, stork stand test and jumping test according to the following 5 different occlusal conditions: mouth closed position without a mouthguard, with a full coverage mouthguard, with a right partial coverage mouthguard, with a left partial coverage mouthguard and with anterior partial mouthguard. The results revealed no significant difference in any of the measured physical factors between the occlusal conditions with and without a full-coverage mouthguard. On the other hand, a significant difference was observed in whole body reaction between the occlusal conditions with and without the partial coverage mouthguards. Therefore, isokinetic muscle tests on both knee joints and the Wingate anaerobic power test should be performed under the following five occlusal conditions: with or without full-coverage maxillary custom-made mouthguard, with a unilateral right or left partial-coverage maxillary mouthguard and with an anterior partial-coverage maxillary mouthguard. These results suggest that the partial coverage mouthguard had a short-term beneficial effect on agility rather than full coverage mouthguard.

A Case of Urticaria and Angioedema Caused from Serum Sickness Reaction by Bee Venom (벌독으로 인한 혈청병 양상의 두드러기 및 맥관부종 치험 1례)

  • Kim, Jung-Hyun;Kang, Da-Hae;Kim, Jee-Young;Lim, Hae-Won;Kim, Ja-Heon;Kwon, Kang
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.24 no.3
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    • pp.138-146
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    • 2011
  • Objective : This study was performed to prove the effect of the oriental medical treatments on urticaria and angioedema caused from serum sickness reaction by bee venom. Method : We treated one case of urticaria and angioedema with oriental medical treatments such as 8 constitution acupuncture, herbal medicine, venesection therapy and facial pack therapy. We took pictures through the treatment to evaluate the improvement. Six items, itching, burning sensation, pain, wheal, redness, edema were used to diagnose urticaria and angioedema. Result & Conclusion : After treatments the urticaria and angioedema were improved. The symptom of itching, heating, pain, wheal, redness of whole body and facial edema disappeared.

Movement Analysis of Waist and Tail of Lizard for Controlling Yawing for Motion in Slow Trotting (저속 주행 시 도마뱀 몸체의 편요 움직임을 제어하는 허리 및 꼬리의 움직임 원리)

  • Kim, Jeongryul;Kim, Jong-Won;Park, Jaeheung;Kim, Jongwon
    • Journal of Institute of Control, Robotics and Systems
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    • v.19 no.7
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    • pp.620-625
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    • 2013
  • Mammals such as dogs and cheetahs change their gait from trot to gallop as they run faster. However, lizards always trot for various speeds of running. When mammals run slowly with trot gait, their fore leg and hind leg generate the required force for acceleration or deceleration such that the yaw moments created by these forces cancel each other. On the other hand, when lizards run slowly, their fore legs and hind legs generate the forces for deceleration and acceleration, respectively. In this paper, the yaw motion of a lizard model is controlled by the movement of their waist and tail, and the reaction moment from the ground produced by the hind legs in simulation. The simulation uses the whole body dynamics of a lizard model, which consists of 4 links based on the Callisaurus draconoides. The results show that the simulated trotting of the model is similar to that of a real lizard when the movement of the model is optimized to minimize the reaction moment from the ground. It means that the body of a lizard moves in such a way that the reaction moment from the ground is minimized. This demonstrates our hypothesis on how lizards trot using body motion.

The Mechanical Analysis of the Hand spring forward and Salto forward straight with 3/2 Turn on the Vault (도마 손 짚고 몸펴 앞 공중 돌아 540도 비틀기의 운동역학적 분석)

  • Yeo, Hong-Chul;Ryu, Jae-Kyun
    • Korean Journal of Applied Biomechanics
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    • v.14 no.1
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    • pp.13-26
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    • 2004
  • The purpose of this study was to investigate the differences of the kinematical and the kinetical factors that calculated from preflight to preflight of salto forward straight 3/2 turn motion between skillers and less-skillers. four S-VHS video cameras operating at 60Hz were used to record the performances. Five elite male gymnasts were participated in this study as subjects. Three-dimensional coordinates of 21 body landmarks during each trial were collected using a Direct Linear Transformation method. The raw 3-D coordinates of the 21 body landmarks were smoothed using a second order lowpass, recursive Butterworth digital filter and a cutoff frequency of 10Hz. Load cells attached on the beneath of a board were used to attain the kinetic variables. It was found that the more angular momentum in the longitudinal axis, the less vertical velocity and these angular momentum effected the height of peak in the preflight. Also, it was revealed that the larger angular momentum in the medio-lateral axis was rather than it in the longitudinal axis to increase vertical height and rotation force of the body. For the reaction force of springboard, the vertical and the horizontal reaction force were 16.52BW and 3.45BW, respectively. It was found that the higher value of the vertical reaction force induced the faster vertical velocity and the higher an ar momentum. of the whole body center of gravity.

Impaction of a continuous glucose monitoring sensor

  • Park, Kyong Chan;Choi, Hwan Jun
    • Archives of Plastic Surgery
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    • v.48 no.4
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    • pp.392-394
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    • 2021
  • A 33-year-old man presented to the plastic surgery department for foreign body removal 1 month after the insertion of a continuous glucose monitoring (CGM) sensor (Dexcom G5) in the left upper arm. The patient had used the CGM system for 5 years, and the insertion was done in the usual manner. The entire sensor wire was visible on simple radiography and ultrasonography. In the operating room, and the sensor wire was identified in the intermuscular septum and removed. No foreign body reaction or inflammatory signs were found around the CGM, and the extracted wire measured 2.5 cm. Thus, it was assumed that the whole sensor wire was detached from the transmitter, not fractured. No remnant foreign body was observed on follow-up simple radiography.

A Study of Literature on the Ying Qi and Wei Qi (영(營).위기(衛氣)에 대(對)한 문헌적(文獻的) 고찰(考察))

  • Hong Seung-Won;Um Jeong-Hun;Lee Sang-Yong
    • Korean Journal of Acupuncture
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    • v.19 no.2
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    • pp.87-96
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    • 2002
  • Objective : To study of Literature on the Ying Qi and Wei Qi One of thing that is among basis theory of Oriental medicine is Vital Essence, Vitality, Qi and Blood(精神氣血) justly. Results : Physiological special quality of Ying Qi(營氣) first, flows within Blood Circulation and the temper is mild and second, transform blood and grow up whole body, and follow through Pectoral Qi(宗氣). Wei Qi(衛氣) means running regeneration of material that do guard action of human body as refined nutritious substances transformed in food. Physiological special quality of Wei Qi(衛氣) first, nature is fast, smooth, and sharp. And it flows outside Blood Circulation. Second, go on muscslar gap without following through Pectoral Qi(宗氣). Ying blood(營血) flows within Blood Circulation means living body ingredient which thing reveals by circulation of the blood change phenomenon. Ying Qi(營氣) is Ying(營) in meaning which go on meridians, therefore meridians as wandering living body reaction route mean. This Ying Qi(營氣)'s physiology transform blood and grows up whole body and flows within Blood Circulation. It becomes most important ingredient of composition of blood, Wei Qi(衛氣) transforms and becomes nutrition constantly by running regeneration of material which transform in Jungcho(中焦) and spread by spreading action of upper chest exhaust in lower belly above the blader of apriority, Kidney-yang.

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The Effects of Whole Body Vibration Exercise on Jump Performance and Quadriceps Muscle Activation in Soccer Player

  • Kim, Je-Ho
    • The Journal of Korean Physical Therapy
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    • v.27 no.3
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    • pp.129-134
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    • 2015
  • Purpose: The purpose of this study was to determine the influence of WBV exercise on CMJ and quadriceps muscle activation according to different frequency of vibration in soccer player and also to find effective frequency for leading appropriate treatment reaction. Methods: Thirty three subjects were randomly divided into three groups: the three groups are WBV group using 20 Hz frequency, WBV group using 30 Hz frequency and squat exercise group according to training method. The exercise program was conducted for six weeks. Subjects were measured on CMJ and quadriceps muscle activation. Results: Significant difference in CMJ was observed in the group I, II compared with the group III (p<0.05). Results of post-hoc, showed a significant difference in CMJ in on group I, II compared with the group III, but no a statistically significant difference between group I and II. Significant difference in quadriceps muscle activation was observed in the group I, II compared with the group III (p<0.05, p<0.01). Results of post-hoc, significant difference in quadriceps muscle activation in on group I, II compared with the group III and significant difference between group I and group II. Conclusion: This research intervened WBV for soccer players and compared the differences of CMJ and quadriceps muscle activation; as a result of the effective frequency for improving performance, there is a significant difference in CMJ and quadriceps muscle activation of WBV group with comparison of control group; and it was proved that WBV is effective using 30 Hz frequency for improving quadriceps muscle activation.

The Effect of an Exercise Program on Body Composition and Physical Fitness in Obese Female College Students (운동프로그램이 비만여대생의 신체조성과 체력에 미치는 영향)

  • Kim, Hyang-Dong;Park, Jeong-Sook
    • Journal of Korean Academy of Nursing
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    • v.36 no.1
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    • pp.5-14
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    • 2006
  • Purpose: This study was done to analyze the effects of an exercise program on body composition and physical fitness of obese female college students. Method: Data was collected from September 29, 2003 to December, 29, 2003. The research design was arandomized control group pretest-posttest experimental design. The subjects were college nursing students at K University. Forty four students, 20 in the experimental group and 24 ina control group, with more than $30\%$ body fat were randomly assigned. The subjects in the experimental group participated in an exercise program for 12 weeks, sixty minutes per session, five times per week. Body composition and physical fitness was measured by a body composition analyzer, cardiovascular endurance, muscle endurance, muscle strength(grip strength, back strength), flexibility, balance, agility(whole body reaction time) and power(standing long jump). Result: Body weight(F=4.76, p=0.035), body fat(kg)(F=5.68, p=0.022) and body mass index(F=5.73, p=0.021) of the experimental group were significantly different from the control group, but there were no significant differences in body fat($\%$), lean body mass, muscle mass and WHR. Back strength(F=6.50, p=0.015), flexibility(F=14.62, p=0.000), muscle endurance(F=7.98, p=0.007), power(F=5.76, p=0.02l) and balance(F=2.46, p=0.018) of the experimental group were significantly different from the control group, but there were no significant differences in cardiovascular endurance, grip strength or agility. Conclusiton: The exercise program was effective in improving body weight, body fat(kg), body mass index, back strength, muscle endurance, flexibility, balance and power of obese female college students.

Prediction of Moments and Muscle Forces at the Knee Joint in Deep Flexion (무릎 관절의 고굴곡에 대한 모멘트와 근력의 추정)

  • Cho, Bong-Jo;Moon, Byoung-Young;Son, Kwon
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.28 no.9
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    • pp.1262-1269
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    • 2004
  • This study predicts muscle forces acting on the lower extremity when the knee joint is in deep flexion. The whole body was approximated as a link model, and then the moment equilibrium equations at the lower extremity joints were derived far given reaction farces against the ground. Measurement of deep flexion was carried out by placing ten markers on the body. This study calculated the moment acting at each Joint from the equations of force and moment, classified the complicated muscles around the knee joint, and then predicted the muscle forces to balance the joint moment. Two models were proposed in this study: the simpler one that consists of three groups of muscle and the more detailed one of nine groups of muscle.