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지송운,김호성,양윤준,장재원 대한스포츠의학회 2004 대한스포츠의학회지 Vol.22 No.1
The purpose of this study was to compare the effect of AB slide™ on abdominal muscles with Crunch and Sit-up. Myoelectrical activities of Rectus abdominis muscles produced by AB slide™, Crunch and Sit-up were recorded. Healthy male aged from 17 to 36 years(23.0±5.9 yrs) were included fo the test. Surface electrodes were attached to upper and lower part of Rectus abdominis of the study subjects. Averaged integrated electromyography(AIEMG) and Normalized integrated electromyography(NIEMG) were recorded. The results are summarized as follows; First, the AIEMG of Sit-up were highest among them with insignificant difference statistically. Second, the NIEMG of upper part of Rectus abdominis were higher than the one of lower part with significant difference statistically(p<0.05). This phenomenon was same irrespective of the type of exercises. AB slide™ was not more effective than Sit-up and Crunch for strengthening of Rectus abdominis muscle. The upper part of Rectus abdominis was more activated than the lower part by all three exercises.
운동생리학 : 기능적 발목관절 불안정성 청소년 배구 선수들의 발목주위 근력, 균형 및 기능적 능력
지송운(JiSongUn),김호성(KimHoSeong),권기욱(KwonGiUg),신영오(SinYeongO),김영주(KimYeongJu),이정필(LeeJeongPil),오재근(OJaeGeun) 한국체육학회 2004 한국체육학회지 Vol.43 No.1
The purpose of this study wes to investigate the ankle strength, balance and functional ability of the adolescent volleyball players with functional ankle instability. The subjects were 12 male(functional ankle instability group) and 10 male(stable group) who could accept the physical examination and questionnaire. In this study, the peak torque, %BW peak torque, balance ability and functional ability were measured.The results are summarized as follows;1) Ankle peak torque during concentric contraction.(1) Inverter peak torque were 38.1±6.3· 49.9±7.7Nm at 60°/sec, 23.8±4.4· 34.1±5.4Nm at 180°/sec(p< .05).(2) Evertor peak torque were 24.8+4.5·325±7.7Nm at 60°/sec, 19.3±3.2·24.5±4.3Nm at 120°/sec(p< .05).(3) Plantar flexor peak torque were 113.5±5.0·129.4ill.5Nm at 307sec, 91.5±11.8·106.7±l6.0Nm at 60˚/sec, 26.1+5.6· 92.4±17.6Nm at 120°/sec(p< .05).2) Ankle %BW peak torque during concentric contraction.(1) Evertor %BW peak torque were 32.5±4.3·45.1±7.8Nm at 60˚/sec, 24.8±3.9·34.2±4.8Nm at 120°/sec, 19.7±2.1· 26.1±5.6Nm at 180°/sec(p<.05).(2) Plantar flexor %BW peak torque were 149.3±25.9·166.3±24.3Nm at 30˚/sec, 120.2±3.9·149.5±22.8Nm at 60` /sec(p<.05).(3) Dorsiflexor %BW peak torque were 44.2±5.6ㆍ49.5±5.5Nm at 30°/sec(p< .05).1),1) 2) Were significantly different(p< .05),3) The balance ability of functional ankle instability and stable group were 14.8±3.9ㆍ34.5±19.9sec in significantly different(p<.05).4) The Functional ability of functional ankle instability and stable group were not significantly different.The strengthening of gastrocnemius, soleus, peroneal musde is considered to be the rehabilitation program plan of functional ankle instability. Further prospective study is needed to determine the proprioception training using the visuo-perceptual biofeedback and the criterion of functional ankle ability.
이방섭,지송운,김종선,장석암 한국웰니스학회 2006 한국웰니스학회지 Vol.1 No.2
The purpose of this study is to compare the change of energy substrates during 40, 80, km road race cycling. Subjects consisted 15 college cyclists. Their physical characteristics were age 19.2±1.66 year, height 173.2±3.71 cm, body mass 70.11±3.42 kg , play carrier 4.87±0.99 year. The blood sample drawn to pre-road cycling 20, 40, 80, 100km of road cycling by collected about 6ml in the antecubital vain. We measure the blood glucose, blood lactate, K, N, Hb, Hct, RBC, TG, TC, HDL, LDL, of each subject. The results were as follow; 1) The concentration of glucose was signigicantly decreased until 40, 80 km race as compared with pre-exercise(p<.01).2) The concentration of lactate, K, Na, was signigicantly increased until 80km road race as compared with pre-exercise(p<.01). 3) The concentration of RBC, Hb, Hct was signigicantly increased until 80km road race as compared with pre-exercise(p<.01). 4) The concentration of TG, TC, was signigicantly increased until 80km road race as compared with pre-exercise(p<.01). 5) The concentration of HDL LDL was signigicantly increased until 80km road race as compared with pre-exercise(p<.01). 6) The concentration of Total protein was signigicantly increased until 80km road race as compared with pre-exercise(p<.01). 7) The concentration of albumin was no signigicantly increased until 80km road race as compared with pre-exercise.
한국 스포츠 선수의 손상시 문제점과 관리 : Problems and Management
나영무,이홍재,주성주,지송운 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.1S
■ Objective The purpose of this study was to find out what problems there were in Korean sports players themselves and in the services of hospitals for the management of sports injuries. ■ Methods and materials This study was divided into three categories. 1) A self-administered questionnaire asking how the players managed their physical conditions and cared for themselves after injury. Questionnaire consisted of 42 questions and was completed by 204 randomized players 12-38 year-old(175 males and 29 females). 2) History taking about sports injuries, 100 Korean athletes injured were recruited. 3) Biomechanical assessments of lower limbs were done to 45 players by physical examination. ■ Results Main results as follows 1) Questionnaire; The average training time was 4.57 hours per day, the average days of feeling fatigue after training were 11.9 days per month. 62 of 204 players(30.4%) were just told to take a rest without a detailed explanation about the injuries at a visit to hospital after injury. 2) Sports injuries; 164 injuries happened in 100 athletes. 58 of total injuries (35.5%) were to the foot and ankle. 112 of the injuries(67.1%) were caused by non-contact mechanism. 131(78.4%) were classified as minor, 36(21.6%) as major according to the treatment method taken. 3) Biomechanical assessment; left upward pelvic tilting in standing was 2.7?.4°, right upward pelvic tilting in Trendelenburg position was 2.6?.9°, right eversion angle at subtalar joint 4.7?.4° left forefoot to the rearfoot angle 1.5?.9°, right calcaneal angle in standing position 2.7?.6°. Also, tightness of the gastrocnemius was found in 40 of 45 and soleus tightness, 35 of 45 athletes, tightness of hamstring, 21 of 45 athletes and tightness of rectus femoris, 25 of 45 athletes. ■ Conclusions The Korean sports players have lots of physical problems vulnerable to sports injuries and actually do not manage their physical conditions. Additionally they are not successfully cared for after sports injuries in hospitals.