• 대한간호학회지
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• 제7권1호
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• pp.39-46
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• 1977

Despite the fact that it is not a fatal symptom. the lower back pain of human species is considered a health problem of modern society: 80% of world population experience it and the distress and dysfunction caused by interferes daily life as well as the general productivity. This study was performed to investigate the general tendency of lower back Pain on nurses: influence of nursing activities, working condition and the physical characteristics of nurses on the pain in order to provide data for prevention and treatment. 386 nurses working at 16 general hospitals throughout the country were sampled. Questionaries developed by the researcher was used for data gathering. Results are as follows : 1. Lower back pain was experienced by most(72.3%) of the nurses: the highest rate of -Pain experience was revealed to be the a9e group of 35-39 (80.8%) followed by 25-29 group (74.2%). 2. In almost all instances (91.4%), the first pain attack occurred before the age of 29, and in 73.1%. the attack occurred between the age of 15-24. 3. In 10.1%, the pain was almost persistent or occurred every other day frequency. In 9%, the pain was relieved by the administration of analgesics or "unable to move". 4. More than 6 days′sick leave due to the pain revealed to be in 2.2%. No significant difference was revealed between specialities of service. 5. Pain experience and the over or under weight revealed not to have significant relations. (X$^2$=0.55224, p〉0.7587) 6. The length of working hour of I. C. U. and O. R, revealed to be longer than that of nurses general ward, however. no significant difference on the rate of pain occurrence apparent. (X$^2$=0.4952, p〉0.8239) No significant difference on the rate of pain occurrence between nurses working over 46 hours/week and under 45 hours/week. (X$^2$=3.86241, p〉0.078318) 7. The most frequent Pain related movement revealed to be "lifting patient or heavy object" (24. 7%, N=68) followed by "the sameness of position, either standing or sitting"(16.8%) 8. Regular physical exercise revealed to have no significant influence on the rate of Pain occurrence. 9. Higher raft of pain experience was revealed in the group of nurses wearing eye glasses. Uncomfortable shoes revealed to have influenced the pain. 10. The most frequent pain relieving treatment revealed to be "rest" (54.2%, N= 151) followed by "analgesics" (12.6%, N=35) and "hot compress/fomentation"(10.5%, N=29). In 13.7% (N=38) no special care was given.

• Journal of Biosystems Engineering
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• 제43권4호
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• pp.285-295
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• 2018

Purpose: The aim of this study is to develop a three-wheel riding cultivator for improving the performance of the current four-wheel riding cultivators in the market. Methods: A prototype three-wheel riding cultivator with the rated power of 15.5-kW, a primary hydrostatic and a two-speed selective gear transmission shifts, front/rear three-wheel drive, a hydraulic wheel tread adjustment, and the mid-section attachment of the major implements was designed and constructed. Its specifications and basic performance are investigated. Results: The maximum speeds of the prototype at the low and high stages were measured to be approximately 7.31, and 11.29 km/h in forward travel, respectively, and approximately 3.60, and 6.37 km/h in rearward travel, respectively. The minimum ground clearance is shown to be 670 mm. The rotating speeds of the power takeoff (PTO) shaft at the low and high stages are shown to be approximately 795 and 1,140 rpm, respectively. The tread of the rear wheels, the minimum radius of turning, and the maximum lifting height of the parallel link device are measured to be within 1,320-1,720 mm, 2.80 m, and 390 mm, respectively. Approximately 25.3% and 74.7% of the total weight of the prototype are distributed in the front and rear wheels on flat ground, respectively. When the tread of rear wheels increased from 1,320 to 1,720 mm, the left and right static lateral overturning angles increased from $33.4^{\circ}$ to $39.1^{\circ}$ and from $29.0^{\circ}$ to $36.1^{\circ}$, respectively. Conclusions: The prototype three-wheel riding cultivator showed a wide range of travel and PTO speeds, high minimum ground clearance, small minimum radius of turning, and easy control of the rear wheel tread. Further, the easy observation of cultivating operations by mid-mounting the implements can improve quality of work. Therefore, the prototype is expected to contribute to the riding mechanization of cultivating operations for various upland crops in Korea.

• 한국학교보건학회지
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• 제5권2호
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• pp.74-90
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• 1992

농촌지역 국민학교 급식아동의 성장발달과 식생활 습관을 알아보기 위하여 경상북도 농촌지역 국민학교 중 급식 학교 6학년 아동 636명(남자 312 명, 여자 324명)과, 이들 학교 인근의 비급식학교 6학년 아동 628명(남자 306명, 여자 322명)을 대상으로 학생건강기록부에 기재된 신장, 체중 측정치를 1학년에서 6학년까지 6년간의 연속적인 자료를 조사하고, 이들의 전반적인 식생활 습관을 1992년 2월 1일부터 2월 15일까지 설문지로 조사하여 분석한 결과는 다음과 같다. 남자의 신장은 6년간 급식군이 27.8cm, 비급식군 27.1cm자랐고, 여자신장은 각각 29.9cm, 28.4cm가 자라서 급식아동이 약간 더 성장하였다. 남자체중은 급식군 15.7kg, 비급식군 14.8kg이 증가한 반면, 여자는 16.9kg 및 17.2kg이 성장해 남자는 급식아동이, 여자는 비급식아동이 더 성장했다. 1학년때는 percentile별 신장 체중의 분포가 표준정규분포 곡선형태에 가까우면서 급식군과 비급식군이 서로 비슷하였으나 6학년때는 50percentile선을 중심으로 75percentile이상에 급식아동의 분포가 더 많았다. 6학년때 체력은 남자의 경우 급식아동이 멀리뛰기, 던지기, 턱걸이, 윗몸일으키기에서 비급식아동보다 우세하였으며, 여자는 멀리뛰기 한 종목에서만 유의한 차이를 보였고 (P<0.05), 체력급수에서도 우수한 특급의 분포가 급식군에서 더 많았다. 아침식사를 매일 먹는 아동이 급식군 67.6%, 비급식군 57.8%였고, 아침을 안먹는 이유로 급식군은 습관이 돼서 (50.7%), 비급식군은 밥맛이 없어서 (58.9%)라고 답하였으며, 급식아동에서 대체적으로 싱겁게 먹는 경향이 많았다. 간식빈도는 무 군 모두 70% 정도의 아동이 하루에 1회이상 간식을 하고 있었으며, 간식장소는 급식군은 집에서 (45.2%), 비급식군은 귀가 도중 가게나 길거리에 (48.4%)한다고 답하였다. 가정에서 식사할 때 음식을 골고루 먹는 아동이 급식군에서 더 많았고 식사시 조용히 자리에 앉아서 음식을 삼킨후 이야기하며 먹는 아동이 급식군에서 더 많았는 반면, T.V를 보면서 먹는 아동은 비급식군보다 적었다. 식사전에 항상 손을 씻는 아동이 급식군은 84.0%, 비급식군 63.6%로 급식군에서 유의하게 높았고, 식사후 이닦기를 항상 하는 아동은 급식군 여자에서 많아 유의한 관련성을 보였다. 영양교육 실태에 있어서도 영양교육을 '받았다'라고 답한 아동이 급식군 78.0%, 비급식군 57.5%였다. 이상의 결과로 볼때 급식아동이 비급식아동 보다 성장발육 속도가 더 빨랐고, 체력도 더 좋다고 할 수 있으며, 식습관 및 위생습관도 양호한 것으로 나타나 국민학교 특히 농촌지역부터 학교급식을 빠른 시일내에 확대 실시토록 해야 할것이며, 교육급식으로서의 역할을 다할 수 있도록 영양 및 식생활개선교육도 강화해야 할 것이다.

• Journal of Acupuncture Research
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• 제19권3호
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• pp.107-114
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• 2002

Objective : This study was designed to find the most effective and safest way to overcome Lumbago due to blood stasis and sprain involved in a few Meridian Tendino-musculatures by evaluating the effect of two kinds of Dong-gi(Dong-qi) Acupuncture(DGA) and by reporting their side effects. Material : 97 patients of out and admission patients were selected, who were diagnosed with lumbar sprain caused by repetitive bending, heavy weight lifting, unsuitable posture, concussion and falling down and whose Lumbago due to blood stasis and sprain in the concept of oriental medicine. Methods : 97 patients were divided into three groups. One is exclusive DGA group to which DGA and the method retaining needles on the acupoints for about 20 minutes were applied, the other is DGA combined active exercise group in which patients stretched their Meridian Tendino-muscuIatures with their hips moving up and downward repeatedly during DGA, the third is DGA combined passive exercise group in which patients were made to flex or extend their bodies on the auto flexion-distraction table in a prone position, from 10 to 20 degree, during DGA. In each group, bed rest, physical therapy and herbal medicine were used according to symptoms, in addition to DGA. In DGA method, "Su(Shu)" points of the meridian related to the involved Meridian Tendino-musculature were mainly chosen, that is, Sokkol(Shugu, B65), Hugye(Houxi, SI3), ChungJo(Zhongzhu, TE3) were used, for most LBP belonged to Bladder and Gallbladder Meridian Tendino-musculature disorders. Pyong-Bo-Pyong-Sa(Ping-Bu-Ping-Xie) such as Dong-Gi and Yeom-Jeon(Nian-Zhuan) was applied as Bo-Sa method. For evaluation of effectiveness, new score system was devised by severity of pain and range of movement. the score was given twice at patients' first and last visit and the difference between first and last score was regarded as a evaluation scale, the effectiveness was classified into four grade by evaluation scale.(scale : 12-15; excellent, 8-11; good, 4-7; fair, 0-3; bad) Results : 1. Exclusive DGA, DGA combined active exercise and DGA combined passive exercise group showed 97, 87 and 89% in effectiveness. 2. Exclusive DGA, DGA combined active exercise and DGA combined passive exercise group showed no aggravation of pain, range of movement. 3. In blood test of 34 patients, only one patient showed abnormal rise of sGOT, sGPT and $\gamma$-GTP at his first visit and the others didn't show any detrimental change. DGA had no bad influence upon BUN and creatinine of patients. Conclusion : For complex theraphy combining DGA, exercise, physical therapy and Herbal medicine proved to be highly effective on treating lumbago due to blood stasis and sprain, this is expected to be available for clinical use.