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가려움증의 기전에 대한 최신 논의 고찰 - 최근의 연구 동향과 위장관계와의 연관성
김준동,한창이,서광일,김규석,김윤범,Kim, Jundong,Han, Chang-Yi,Seo, Gwang-Yeel,Kim, Kyu-Seok,Kim, Yoon-Bum 대한한방안이비인후피부과학회 2021 한방안이비인후피부과학회지 Vol.34 No.3
Objectives : The purpose of this study is to review the latest discussions on the mechanism of Itching. Methods : Articles that reviewed the mechanism of itching were searched from Pubmed (January 2016 to June 2021). In addition, review articles discussing the gastrointestinal tract and the mechanisms of pruritus were searched seperately. Results : The articles are classified into three categories. These categories are the classification according to the passage of time (acute, chronic), the immune factors involved (inflammatory, non-inflammatory), and the neurophysiological mechanism (pruritoceptive itching, neuropathic itching, neurogenic itching, psychogenic itching). In each category, the articles over the past five years are summarized and reviewed. Also, how the status of the gastrointestinal tract is reflected in itching was discussed in terms of leaky gut syndrome, neuro/gastrointestinal peptides, and gut microbiota. Conclusions : This review introduces the recently discussed mechanism of itching, and in particular, examines how the gastrointestinal tract is related to skin itching. Based on these considerations, it is expected that more diverse therapeutic approaches can be explored in the future.
중ㆍ고령자를 대상으로 실시한 상ㆍ하지 피하지방층과 근육량의 비교검토
김준동(Kim, Jun-dong),권정현(Kwon, Jeong-Hyun) 한국체육과학회 2013 한국체육과학회지 Vol.22 No.6
The object of this study is to compare and review the upper and lower limbs subcutaneous fat layer and muscle quantity targeting the middle and old age people. The subjects are 138 women age from 50 to 83 and the subject groups were divided into 6 groups and the subcutaneous fat thickness and muscle quantity of the upper and lower limbs were measured using the B-mode ultrasound. As a result, the thickness of the subcutaneous fat of biceps brachii, thigh muscle, and leg muscle of the group age 55-59 all increased compared to the group age 50-54(p<.01). Meanwhile, in case of muscle thickness, the thickness of rectus femoris rather than biceps brachii significantly reduced in the group age 55-59(p<.05). This study showed the result that the subcutaneous fat layer increased and the muscle quantity decreased following the age increase, and especially the muscle quantity reduction of the lower limbs(the front thigh) was more remarkable than the upper limbs. The result of this study suggests that it is possible to measure the subcutaneous fat layer and muscle quantity by the simple supersonic method without using CT or MRI targeting the person and it is necessary to reinforce the lower limb-muscular strength training for the aged.
훌라후프운동과 식이요법이 성인비만여성의 신체구성과 체력에 미치는 영향
김준동(Jun Dong Kim),예소란(So Ran Ye),김태규(Tae Kyu Kim),정기연(Ki Yuen Jung),선우섭(Sub Sunoo) 한국발육발달학회 2006 한국발육발달학회지 Vol.14 No.3
The purpose of this study was to compare of the energy expenditure of two different types of hula-hoop exercise and the effects of hula-hoop exercise and diet cure for 6 weeks on body composition and physical fitness of obese women. The subject were 21 obese women(Experimental group: 14 for hula-hoop exercise and diet cure/Control group: 7 for diet cure only) who aged 23-47yrs with 33% of body fat rate. Measured body composition variables included weight, %fat, lean body mass, skinfold-thickness, body circumference and related physical fitness variables included. The results showed that superior iliac spine subcutaneous fat bifold, abdominal subcutaneous fat bifold and waist line of experimental group decreased compare to the control group. And experimental group performed better in sit up repetition. More over comparing the energy expenditure between two exercise types. The energy expenditure of Type B(waist, lower limb movement and arm movement) is significantly higher than Type A(waist, lower limb movement). Exercising depends on the time and the effort that is put into the routines. The amount of energy needed to do hula-hoop is equivalent to the energy needed to jump rope based on the research, therefore it can be concluded that this type of exercise requires a lot of energy. Hence, these data indicate that affirmative effect to the obesity solution where the hula-hoop motion is caused with motion insufficiency or hypernutrition. Especially, hula-hoop exercise denotes that it is effective in decreasing the abdomen and the waist fat.
중·고령여성의 생활 체력과 요부 및 하지근 횡단면적의 관계
김준동(Jun Dong Kim),정미송(Mi Song Jung) 한국발육발달학회 2008 한국발육발달학회지 Vol.16 No.1
The purpose of this study was to investigate the relationship between daily living functional fitness and muscle mass in the lower limbs and waist in mid-elderly women. The subject of the study consisted of 57 persons (females) aged 50-79 years older. The subcutaneous fat and muscle psoas major cross-sectional area measurements were determined with an MRI machine. As for the femoral cross-sectional area, quadriceps femoris muscles were classified under thigh muscle extensors and hamstring muscles as well as adductor muscles under thigh muscle flexsors. The lower limb muscles involved muscle tibialis anterior and muscles triceps surae both of which had their cross-sectional area calculated. Also, the functional fitness tests included sit-ups, chair stand up, sitting trunk flexion, close-eyes foot-balance, 10m obstacle walk and 6-minute walk. The results of the present study were as follows: the ability of daily living functional fitness showed a statistically significant decrease in value from the 70`s age group when compared with the 50-59 age bracket (sit-ups, chair stand up, close-eyes foot-balance, 10 m obstacle walk and 6-minute walk: p<.01), but the sitting trunk flexion of daily living functional fitness showed no significant change for aging. Also the muscle cross-sectional area showed significantly decrease from the 70`s age group when compared with the 50-59 age bracket (muscle psoas major, thigh muscle extensors, tibialis anterior, triceps surae: p<0.01). The significant co-relationship was found between the sit-ups (r=.665)/chair stand up (r=.557)/sitting trunk flexion (r=.542)/close-eyes foot-balance (r=.418)/6-minute walk (r=.669) and psoas major in the 60-69 age bracket, also between muscle psoas major (r=.694)/thigh muscle extensor (r=.485) and 6- minute walk in the 70-79 age bracket. These results indicate that the muscle atrophy with aging in tibialis anterior, triceps surae, muscle psoas major and thigh muscle extensor is a factor responsible for the decreases in daily living functional fitness(et`s. walking ability). Furthermore, it was suggested possibility that the decline of daily living functional fitness is due to decreased muscle mass of the lower limbs and waist with aging.
김준동(Kim, Jun-Dong) 한국체육과학회 2018 한국체육과학회지 Vol.27 No.5
This study investigated the effects of the physical fitness capacity on the Artery Compliance(Artery C), aimed at women aged 50 or older who have been engaged in agriculture for the past several decades. As a result, based on the 50-59 aged group, all values significantly decreased in the items for physical fitness measurements in each age group, but in the case of Artery C, significant decrease was not shown. Furthermore, in the correlation results between the measurement items, a significant correlation appeared between Artery C and some physical fitness items, only in the 50-59 and 60-69 aged groups (for 50-59 aged group, Artery C vs. standing by one leg with eyes closed, p<.01; 60-69 aged group, Artery C vs. physical activity level or number of walking steps, p<.05). Examining based on the results of this study, why Artery C did not decrease as age increased is more likely that the agricultural activities in the past may have affected the vascular elasticity and maintained in a healthy state; on the other hand, the number of samples of the subjects is small. In order to improve these issues, it is considered that additional data collection and analysis should be needed.