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기능적 족관절 불안정성 환자에서 발목 원판 훈련의 효과
나영무,문재호,성연재,이홍재,이한수,어은실 대한스포츠의학회 1999 대한스포츠의학회지 Vol.17 No.2
Objective : The purpose of this study is to determine the effect of the ankle disk training on the contraction pattern of peroneous longus and tibialis anterior muscles of the patients with functional ankle instability resulted from repeated inversion injury. Method : Fourteen patients with functional ankle instability and fourteen age-matched healthy subjects participated in this study. With attaching surface electrode to the peroneous longus and tibialis anterior muscles, inversion moment at the ankle was induced by a platform with trap door. While inducing inversion moment, onset time of contraction of the two muscles was assessed and compared by electromyography(EMG). And the changes in onset time of contraction between pretraining and post-six-week ankle disk training were assessed. Results : In experimental group, the onset time of contraction of the peroneus longus muscle during inversion moment was significantly slower than that of tibialis anterior muscle(p<0.05). And the difference of the onset time of contraction between peroneus longus muscle and tibialis anterior muscle was positively correlated with the number of time of injury(p<0.05). The onset time of contraction of the peroneus longus muscle in both stable and unstable ankle after the six-week ankle disk training became significantly short(p<0.05). Conclusion : This study examined the effect of ankle disk training as one form of proprioceptive training on muscle reaction times, and its results my explain why such training can help protect aganist further ankle sprain in patients with functional ankle instability.
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.