• Title/Summary/Keyword: scuba diving

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Changes in Cerebral Hemodynamics and Hematological Aspects Following Scuba Diving at 5 Meters of Seawater

  • Park, Mi-Ri-Nae;Hyun, Kyung-Yae;Moon, Seong-Min;Kim, Yun-Tae;Kim, Dae-Sik;Kang, Shin-Beum;Choi, Seok-Cheol
    • Biomedical Science Letters
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    • v.14 no.4
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    • pp.219-223
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    • 2008
  • The present study was designed to clarify whether scuba diving at 5 meters of seawater influences cerebral hemodynamics, hematological and biochemical variables. Twenty healthy young men well trained scuba diving participated in this study. The blood flow velocity in the right and left middle cerebral arteries (L-MCAV and R-MCAV), blood pressure (BP), heart rate (HR), CBC and differential count, prothrombin time (PT), activated partial thromboplastin time (aPTT), biochemical variables, D-dimer and interleukin-8 (IL-8) levels were determined before, immediately after scuba diving for 30 min, and after 30 min of rest (Pre-scuba, Scuba and R-30m, respectively). L-MCAV and R-MCAV tended to increase, but the only significant increase was in L-MCAV in Scuba. SBP and HR significantly declined in R-30m compared with those of Pre-scuba and the Scuba. IL-8 levels were elevated in Scuba and R-30m compared with that of Pre-scuba. In Scuba and R-30m, hematological variables except PT and biochemical parameters excluding glucose and lactic acid did not significantly changed in comparison with those of Pre-scuba. PT level at Scuba and glucose level at R-30m significantly declined in Scuba, while lactate level at R-30m increased compared with each in Pre-scuba. However, PT level at Scuba was within a normal range. These results suggest that scuba diving at 5 m of seawater for 30 min has no adverse effects, is safe and useful for improving health. However, further study must be performed to clarify the mechanism of elevated IL-8 level following scuba diving.

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The Effect of Scuba Diving Resort Service Quality on Customer Satisfaction and Revisit Intention: Focusing on the Moderating Effect of Perceived Risk Attributes (스쿠버다이빙 리조트의 서비스 품질이 고객만족 및 재방문 의도에 미치는 영향: 위험지각속성의 조절효과를 중심으로)

  • Sung, Yun Bom;Noh, Yonghwi
    • Journal of Korean Society for Quality Management
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    • v.51 no.4
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    • pp.589-606
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    • 2023
  • Purpose: This study investigates the effects of scuba diving resort service quality on customer satisfaction and revisit intention, considering the moderating effects of perceived risk by scuba divers such as individual, social, and physical risks. Methods: This study surveyed scuba divers using scuba diving resorts in South Korea. The data were analyzed using multi-regression and hierarchical regression analysis. Results: The results of this study are as follows; all five service quality dimensions (tangibles, reliability, responsiveness, assurance, and empathy) significantly affected customer satisfaction and customer satisfaction also affected revisit intention. However, no moderating effect by perceived risk were observed between customer satisfaction and revisit intention. The cause of these results is believed to be the nature of scuba diving as a adventure sport. Conclusion: These results implies that scuba divers' purchase action can be different from the general service users from the perspective of perceived risk. Considering the uniqueness of adventure sports of scuba diving, the managers of scuba diving resorts need to act actively paying attention to all dimensions of service quality, and customer satisfaction.

Study on Relational Model of Scuba Diving Instructors' Expertise, Instructor Reliability and Instruction Efficiency (스쿠버다이빙 지도자의 전문성과 지도자신뢰 및 지도효율성의 관계모형 분석)

  • SO, Hoon;YOO, Hyun-Jo;HWANG, Young-Seong
    • Journal of Fisheries and Marine Sciences Education
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    • v.27 no.5
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    • pp.1436-1446
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    • 2015
  • This study aims to understand how scuba diving instructors' expertise, instructor reliability and instruction efficiency are related to each other. In order to achieve the research goal, the study used a multi-stage stratified cluster sampling method and collected valid samples from 400 individuals at age of 20 and older who were scuba diving in scuba diving clubs in Busan, Gyeongnam, Gyeongbuk, Jeonnam and Jeonbuk. The 400 valid samples were applied to the data analysis. The study used SPSS 21.0 for processing the gathered data via a frequency analysis, a reliability analysis and a correlation analysis and in order to verify the hypotheses, the study applied AMOS 21.0 and conducted a confirmatory factor analysis and a structure equation model analysis. Findings that the study had extracted are summarized as follows. First, the study confirmed that the scuba diving instructors' expertise has a positive effect on the instructor reliability. Second, the scuba diving instructors' expertise was reported to positively influence the instruction efficiency. Third, the results revealed that the scuba diving club members' reliability in the instructors has a positive influence on the instruction efficiency.

A study on diving casualties of KOREA (우리나라의 잠수사고 사례 고찰)

  • Lee, Chang-Woo;Jung, Chang-Ho
    • Proceedings of the Korean Society of Marine Engineers Conference
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    • 2005.06a
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    • pp.886-891
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    • 2005
  • This study aims to provide divers with improved safe diving practices by analyzing reports on scuba diving casualties that recently occured in Korea, Japan and USA. The result of this study should be notified to all the divers in Korea for the purpose of preventing the diving accident. All the data were collected through the diving accident reports of various sourses, which include KUA(Korea Underwater Association) technical committee, the accident statistical data of National Maritime Police Agency, articles of domestic and foreign scuba diving magazine, accident reports of various newspaper, annual report on decompression illness and diving fatalities by DAN(Diver Alert Network), various type of data on diving accident from local as well as national seminars, and medical treatment data of diving accident.

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The Effect of empirical value of skin SCUBA diving participants on the emotional response and behavioral responses (스킨스쿠버 다이빙 참여자의 경험적 가치가 감정반응 및 행동반응에 미치는 영향)

  • Lee, Sung-Ho;Kim, Woo-Hyoung
    • Journal of Digital Convergence
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    • v.14 no.7
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    • pp.497-506
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    • 2016
  • The purpose of this study is to inquire into the relationships between empirical value, emotional response and behavioral response of skin-SCUBA diving participants. This study sampled 300 skin-SCUBA diving participants in the SCUBA diving pool of the Seoul Olympic Stadium, and the SCUBA diving pool of the Suwon World Cup Stadium by using convenience sampling. For data processing, this study conducted frequency analysis, exploratory factor analysis, reliability analysis, correlation analysis and multi-regression analysis using PASW 18.0 Ver. The concrete results are as follows: First, the empirical value of a skin-SCUBA diving participant was found to have a significant influence on emotional responses. Second, the empirical value of a skin-SCUBA diving participant was found to have a significant influence on behavioral responses. Third, the emotional response of a skin-SCUBA diving participant was found to have a significant influence on behavioral responses.

The Production Conditions and Consumer Satisfaction of Men's Scuba Diving Suits (국내 남성용 스킨스쿠버복 생산실태 및 소비자 만족도)

  • Choi, Jin-Hee;Jeong, Jin-Ah
    • Journal of the Korean Society of Clothing and Textiles
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    • v.33 no.11
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    • pp.1683-1695
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    • 2009
  • This study analyzes the production process of eight domestic companies that manufacture scuba diving suits for men with an emphasis on the level of consumer satisfaction in scuba diving suits purchases. One hundred fifty questionnaires were distributed and a total of 140 usable data were coded for further statistical analysis that includes descriptive statistics (frequency and ${\chi}^2$ test) through SPSSWIN 17.0. The results show that a majority of the domestic scuba diving suit companies were either small, manufactured products under original equipment manufacturer (OEM) brands, or were involved in the import business. Many of these companies have developed a local sizing system derived from a company database of customer sizing. As a result, different companies have different sizes that lead to confusion and complication among consumers in selecting the correct size for scuba diving suits. The results indicate that most high-priced diving suits are made of imported fabrics because they had superior quality, fitness, and thickness compared to domestic brands. The degree of consumer satisfaction with scuba diving suits was found to be low in comfort, stuffiness, and activity. Respondents indicated that they felt a little tightness in circumstances such as bust, wrist, and thigh in measurements of circumstances. On the other hand, the respondents showed a high degree of satisfaction with body fitness in scuba diving suits. Further research will clarify a standardized sizing system and develop patterns suitable for Korean men's scuba diving suit body sizes.

The Relationship between scuba diving participant's selective attribute, emotional response, and empirical value

  • Lee, Yoo-Chan;Jung, Sang-Ok
    • International Journal of Internet, Broadcasting and Communication
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    • v.13 no.3
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    • pp.84-91
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    • 2021
  • The purpose of this study is to investigate the structural relationship between resort selection attributes, emotional responses, and empirical values of scuba diving participants. The general population who enjoys scuba diving in Korea was selected as the population. Using the convenience sampling method, 553 of the 600 questionnaire samples were extracted as the final valid sample. For data processing, frequency analysis, exploratory factor analysis, and Cronbach's α test were performed using SPSS 23, and confirmatory factor analysis and structural equation model analysis were performed with AMOS 18. The results are as follows: First, among the sub-factors of selection attributes, equipment, facility environment, and diving point showed a positive effect on emotional response, but staff service did not have any significant effect. Second, the emotional response positively affected by the selection attribute showed a positive effect on all factors of service excellence, consumer utility, fun value, and aesthetic value of empirical value. Therefore, scuba diving resort managers must recognize the importance of equipment, facility environment, and diving point among these selection attributes of customers. And to satisfy the customer needs the resort must accurately identify the needs for diving equipment, facility environment and diving point. Various methods for this should be explored through the needs of the identified customers, and efforts should be made to provide safe equipment, comfortable facilities, and various diving points.

A Study on Actual Condition of Diving Safety before Scuba Diving and during Scuba Diving According to Scuba Diver's Characteristics (스쿠버 다이버 특성에 따른 다이빙 활동 전과 다이빙 활동 중 안전 준수 실태)

  • Park, Hong-Cheol;Hwang, Ji-Young;Cho, Keun-Ja
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.2
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    • pp.1216-1226
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    • 2015
  • This study aimed to suggest education direction for diving safety through investigating actual condition to diving safety before and during scuba diving. The study subjects were 227 scuba divers. Data were collected from September 21, 2012 to August 16, 2013. The collected data were analyzed using SPSS 21.0. The results were as follows. Many higher level divers didn't obey regulations: 'alcohol drinking', 'warming-up exercise', 'to dive even when he/she suffers from respiratory disease' before scuba diving. Many lower level divers didn't obey regulations: 'to stop diving under abnormal physical condition', 'to do safety stop during ascending time', 'to check during ascending time', 'to know ascending and descending speed per minute', 'to use an alpha flag or buoy' during scuba diving. In conclusion, it is necessary to implement a discriminative safety education and to check actual condition to diving safety periodically in consideration of duration and level of diving.

A comparative study on the Activating Factors of domestic and overseas scuba diving resorts using delphi method

  • Park, Sung-Soo
    • Journal of the Korea Society of Computer and Information
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    • v.27 no.3
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    • pp.239-249
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    • 2022
  • This study aims to analyze and compare the activating factors of domestic and overseas scuba diving resorts. Our delphi survey was conducted three times in 30 experts who involved in operation and management including scuba diving resort management representative and training team leader. As a result of comparing the activating factors at domestic versus overseas, it was found that common important activating factors included expansion of convenient facilities at public diving places, installation of safety and medical facilities for divers, development of first aid system including AED and oxygen ventilator, requirement of convenient facilities such as water lift and toilet in diving boat, installation of diving boat screw safety system, local boat operation guideline, regular course training program for scuba diving, employment of professional scuba diving instructor and guide, communication and promotion through various SNS portals, promotion by divers' word of mouth, involvement in regional Diving Resort Association, involvement in Korean Diving Association, communication and mutual benefit with local fishing villages, and linkage policy with local tourism industry.

Development of the Men's Scuba Diving Suit Pattern by Using 3D Body-Scanned Data (3D 스캔데이터를 활용한 국내 남성용 스킨스쿠버복 패턴개발)

  • Choi, Jin-Hee
    • Journal of the Korean Home Economics Association
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    • v.49 no.4
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    • pp.105-113
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    • 2011
  • The purpose of this study was to develop the pattern of scuba diving suits for local men in their thirties by using 3D body-scanned data. It is widely acknowledged that draping method is more suitable than flat pattern for body shape as most scuba diving suits in the market are designed to fit the body tightly in a single piece with sleeves and legs. A dummy for this study was made based on men's standard clothing sizes in 30's which was derived from data of 2004 Size Korea. Accordingly, the basic body block was built upon through draping method. Next, a scuba diving suit was made from neoprene, followed by fit and the clothing pressure tests in order to evaluate the diving suit's functionality and comfort. The results of the fit test had high points of 4.33 in majority parts except armhole and crotch ones. In comparison of clothing pressure between wearer and dummy, the clothing pressure of wearer was indicated relatively low in most parts other than armhole and knee, resulting from cushion function of skin and muscle and high stretch of fabric.