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The Korean Journal of Sports Medicine

  • : 대한스포츠의학회
  • : 의약학분야  >  기타(의약학)
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  • : 1226-3729
  • : 2288-6028
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수록정보
수록범위 : 11권1호(1993)~38권4호(2020) |수록논문 수 : 845
대한스포츠의학회지
38권4호(2020년 12월) 수록논문
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KCI등재

1운동 사슬 개념을 사용한 어깨 외회전 운동 시에 정적 및 동적 신체 자세에 따른 어깨 근육 활성도의 변화

저자 : 신명호 ( Myung-ho Shin ) , 정석원 ( Seok-won Chung ) , 임제민 ( Je-min Im ) , 백사무엘 ( Samuel Baek ) , 김태민 ( Tae-min Kim ) , 오경수 ( Kyung-soo Oh )

발행기관 : 대한스포츠의학회 간행물 : 대한스포츠의학회지 38권 4호 발행 연도 : 2020 페이지 : pp. 199-207 (9 pages)

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Purpose: We aimed to evaluate shoulder muscle activities during shoulder external rotation exercises using an elastic band with the arm at the side or at 90° of abduction in static and dynamic body positions.
Methods: In 2017, a total of 19 right-handed male subjects were included in this study. Surface electromyography signals were recorded from the anterior deltoid, middle deltoid, upper trapezius, lower trapezius, serratus anterior, and infraspinatus muscles. The subjects underwent maximal voluntary isometric contraction testing of each muscle in the W position or 90/90 position. Subjects performed the exercise in the sitting, static squat, static rotational squat, dynamic squat to standing (DSS), and dynamic squat to standing and trunk rotation (DSSR) positions.
Results: The main finding of this study was that shoulder external rotation exercises in the DSSR position were effective in reducing shoulder muscle activities except in the serratus anterior compared with static rotational squat position.
Conclusion: DSSR enabled effective control of scapular motion with less shoulder muscle activation. Therefore, the kinetic chain exercises incorporated with lower extremity, hip, or trunk would be beneficial for shoulder muscle exercises, which is required for patients with weak periscapular muscles, in whom the lower trapezius activities were found to be frequently decreased.

KCI등재

2어깨-목 통증증후군에서 체외충격파치료의 효능

저자 : 김준엽 ( Joon Yub Kim ) , 김재윤 ( Jae Yoon Kim ) , 윤종필 ( Jong Pil Yoon ) , 정석원 ( Seok Won Chung ) , 김동현 ( Dong-hyun Kim ) , 원유선 ( Yoo-sun Won )

발행기관 : 대한스포츠의학회 간행물 : 대한스포츠의학회지 38권 4호 발행 연도 : 2020 페이지 : pp. 208-216 (9 pages)

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Purpose: The aim of current study is to verify the efficacy of extracorporeal shock wave therapy (ESWT) in neck and shoulder pain syndrome.
Methods: We enrolled 23 patients with neck and shoulder pain syndrome (mean age, 55±16 years; onset, 12.65±8.90 months) who underwent ESWT from July to December 2019. ESWT (4 to 5 bar or 0.23-0.45 mJ/mm2, 1,500 to 2,000 times/region, 7 Hz) was performed at least 4 consecutive times per week. Evaluated outcomes were visual analogue scale (VAS) of pain and tenderness, neck disability index (NDI), and shoulder passive range of motion (ROM; forward flexion [FF], external rotation at neutral [ER], internal rotation at back [IR]). Pain and tenderness VAS scores were assessed at every follow-up, while NDI and shoulder ROM were evaluated two times before treatment and at the final follw-up (at 4.52±0.73 weeks).
Results: The pain VAS score decreased from 5.5±2.4 at first visit to 4.0±1.8 (p=0.001), 3.3±2.1 (p=0.02), and 3.1±2.2 (p=0.29) at the first, second, and third follow-up visits. The tenderness VAS at first visit was 5.98±1.89, which decreased to 5.17±1.83 (p=0.005), 4.61±1.67 (p=0.05), and 4.09±1.92 (p=0.06) at the first, second, and third follow-up visits. NDI was significantly reduced from 18.04±8.86 to 10.04±6.94 at last follow-up (p=0.001) and shoulder ROM was significantly improved after treatment (FF: 159.6°±28.0° to 177.8°±8.5°, p=0.001; ER: 72.2±15.7° to 79.6±2.1°, p=0.02; IR: 10.2±3.49 [T 10] to 6.9±1.7 [T 7], p=0.001).
Conclusion: Consecutive ESWT was effective in treating neck and shoulder pain syndrome with functional improvement and pain reduction. Regarding simultaneous pain and tenderness reduction, receiving ESWT two times per week was effective.

KCI등재

3쥐 회전근개 파열 모델의 건 부착부에서 카토제닌 주사의 효과

저자 : 김동현 ( Dong Hyun Kim ) , 민승기 ( Seung Gi Min ) , 김훈민 ( Hun-min Kim ) , 최진현 ( Jin-hyun Choi ) , 이현주 ( Hyun Joo Lee ) , 박경현 ( Kyeong Hyeon Park ) , 윤종필 ( Jong Pil Yoon )

발행기관 : 대한스포츠의학회 간행물 : 대한스포츠의학회지 38권 4호 발행 연도 : 2020 페이지 : pp. 217-224 (8 pages)

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Purpose: The purpose of this study was to investigate the effects of kartogenin (KGN) on the tendon-bone interface in a rat rotator cuff tear model.
Methods: Twenty male rats were divided into two equal groups; group 1 (repair only) and group 2 (KGN single injection). A rat rotator cuff rupture model was prepared, and KGN (500 μM) was injected into the repair site. The specimens were collected after 8 weeks, and biomechanical and histological analyses were performed. We assessed the healing quality of the tendon-to-bone repair site using six aspects of tendon tissue. The histological findings were classified semiquantitatively into four grades (grade 0, the poorest appearance; grade 1, poorer; grade 2, better; and grade 3, marked regeneration).
Results: Group 2 showed a higher mean ultimate load to failure than the control group (group 1: 25.78±31.38 N, group 2: 55.64±36.02 N; p=0.011). On histological analysis, group 2 exhibited a significantly greater total score (group 1: 7.20±2.14, group 2: 9.50±1.84; p=0.019), collagen fiber continuity (group 1: 1.20±0.42, group 2: 1.70±0.48; p=0.024), and collagen fiber density (group 1: 1.50±0.52, group 2: 2.20±0.63; p=0.080). Metachromasia were more intense in group 2 than in the control group.
Conclusion: A single injection of KGN reinforces biomechanical strength and the formation of collagen and fibrocartilage at the tendon-to-bone interface in a rat rotator cuff tear model.

KCI등재

4성인 선천성 심장병 환자의 신체활동과 운동능력: 건강 대조군과 비교

저자 : 김현정 ( Hyun Jeong Kim ) , 윤자경 ( Ja Kyoung Yoon ) , 김성호 ( Seong-ho Kim ) , 제세영 ( Sae Young Jae )

발행기관 : 대한스포츠의학회 간행물 : 대한스포츠의학회지 38권 4호 발행 연도 : 2020 페이지 : pp. 225-233 (9 pages)

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Purpose: Advancements in surgical and nonsurgical care for congenital heart disease (CHD) have enabled an increase in survival into adulthood of these children with CHD, thereby contributing to the growth of the aging population, it is important to evaluate these functional outcome measures in adults with CHD. Therefore, this study aimed to compare the subjective and objective assessments of physical activity (PA) and exercise capacity (EC) in adults with CHD and age-matched, healthy controls.
Methods: Forty-six adults with CHD (male, 26; age, 20.6±1.3 years) and forty-six healthy controls (male, 24; age, 21.2±1.6 years) underwent an assessment of subjective and objective PA levels using the Global Physical Activity Questionnaire and the accelerometer device (GENEActiv) worn on the wrist for seven consecutive days, respectively. EC was directly measured by peak oxygen uptake (peak VO2) during a graded exercise test.
Results: Subjectively and objectively measured of moderate to vigorous PA in adults with CHD were lower than those with healthy controls (p=0.008, p=0.004), while the majority of adults with CHD have achieved the recommended levels of PA (150 min/wk). In addition, peak VO2 was lower in adults with CHD than in healthy controls (30.8±8 mL/kg/min vs. 46.7±10 mL/kg/min, p<0.001).
Conclusion: Although the majority of adults with CHD meet the recommended levels of PA, their overall PA levels and EC are still lower than those of age-matched, healthy adults without CHD.

KCI등재

5자전거 동호인에서 발생한 척골신경의 심부 운동 분지의 압박성 신경병증

저자 : 남재준 ( Jae Jun Nam ) , 최인철 ( In Cheul Choi ) , 박지헌 ( Ji Hun Park ) , 박종웅 ( Jong Woong Park )

발행기관 : 대한스포츠의학회 간행물 : 대한스포츠의학회지 38권 4호 발행 연도 : 2020 페이지 : pp. 234-237 (4 pages)

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A 36-year-old female amateur cyclist developed mononeuropathy of the deep branch of the ulnar nerve due to nerve compression adjacent to the ulnar tunnel (type II Guyon's canal syndrome) caused by prolonged bicycle riding. The patient's signs and symptoms persisted even after refraining from cycling for 4 weeks; thus, she underwent decompression of the deep branch of the ulnar nerve in the palm and wrist. Three months postoperation, she recovered nearly full power and function of her left hand.

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6Tensiomyography를 이용한 중추 피로에 의한 근육 손상의 평가

저자 : 채정훈 ( Jung Hoon Chai ) , 배상원 ( Sang-won Bae )

발행기관 : 대한스포츠의학회 간행물 : 대한스포츠의학회지 38권 4호 발행 연도 : 2020 페이지 : pp. 238-241 (4 pages)

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This study compared muscle function pre- and post-central fatigue caused by a marathon, using maximal displacement (Dm), which indicates muscular stiffness in tensiomyography (TMG) results. Blood and noninvasive TMG test were performed on the 1st, 3rd, and 5th days before and immediately after the marathon. The muscles assessed were the vastus lateralis (VL), vastus medialis (VM), rectus femoris (RF), biceps femoris (BF), semitendinosus (ST), tibialis anterior, gastrocnemius lateralis, and gastrocnemius medialis. Lactate dehydrogenase levels (lactate dehydrogenase) increased sharply immediately after the competition and decreased to the pre-competition level after 5 days. Dm was the highest immediately post-competition at BF, ST, VL, VM, and RF muscles, with a tendency to decrease to pre-competition levels after 1 day. The application of TMG to identify muscle changes in central fatigue studies may be appropriate in the proximal region rather than in the distal region.

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