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Sequential Proximal Adjacent Spondylolysis by Pars Interarticularis Fracture in Elite Soccer Player.

Seung Kook KIM ; Seung Woo PARK ; Su Chan LEE ; Moon Bok SONG

The Korean Journal of Sports Medicine.2017;35(3):198-201. doi:10.5763/kjsm.2017.35.3.198

Pars interarticularis fracture is a common finding in young soccer players with low back pain. Spondylolysis in young adults involves a defect of the pars interarticularis, occurring as a result of repeated hyperextension and rotation. Here, we describe the case of a 26-year-old male elite soccer player who was diagnosed with L3 spondylolysis 2 years previously. He visited Incheon Himchan Hospital again because of low back pain. Radiographs showed consecutive spondylolysis at the L3 and L4 levels. Physicians should be aware that repeated performance of athletic movements, such as those during soccer, might lead to consecutive levels of spondylolysis.
Adult ; Athletes ; Fractures, Stress ; Humans ; Incheon ; Low Back Pain ; Male ; Soccer* ; Spondylolysis* ; Sports ; Young Adult

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Effect of an Exergaming on Postprandial Endothelial Dysfunction Following a High Fat Meal in Individuals with Spinal Cord Injury.

Eun Sun YOON ; Hyun Jeong KIM ; Jina CHOO ; Kyung Hee PARK ; Sae Young JAE

The Korean Journal of Sports Medicine.2017;35(3):190-197. doi:10.5763/kjsm.2017.35.3.190

Endothelial dysfunction induced with a high-fat meal may be attenuated with an exercise in abled bodies individuals. Exergaming may be an exercise type applicable for disabled bodied individuals. We tested the hypothesis that an acute bout of exergaming following a high-fat meal would decrease postprandial lipemia, and endothelial dysfunction among individuals with spinal cord injury. Forty participants (age, 41±8 years; 24 males) were randomly assigned to either an exergaming group (n=20) or control group with seated rest (n=20) following a high-fat meal. Hemodynamic and blood parameters and flow-mediated vasodilation (FMD) as an index of endothelial function were measured at baseline and 4 hours after a high-fat meal. In half an hour following a high-fat meal, the exergaming group performed 50 minutes of moderate intensity active video games (Nintendo Wii Sports: boxing, tennis). Levels of blood triglycerides increased in both group (p<0.05) following high-fat meal. FMD significantly decreased in the control group (10.4%±4.9% to 7.9%±4.4%) but significantly increased in the exergaming group (10.9%±5.3% to 12.3%±5.3%), with a significant interaction (p=0.004). These results show that a high-fat meal causes endothelial dysfunction in persons with spinal cord injury, but endothelial dysfunction following a high-fat meal was attenuated by an acute bout of exergaming regardless of postprandial lipemia. Therefore, exergaming for individuals with spinal cord injury may have a cardioprotective effect from postprandial endothelial dysfunction induced with an exposure of a high-fat meal.
Boxing ; Hemodynamics ; Humans ; Hyperlipidemias ; Meals* ; Spinal Cord Injuries* ; Spinal Cord* ; Sports ; Triglycerides ; Vasodilation ; Video Games

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Analysis of Lower Extremity Contraction According to Gender Using Tensiomyography.

Bo Kyeong KIM ; Jung Hun CHAI ; Chan KIM ; Chul Hyun KIM ; Sang Won BAE

The Korean Journal of Sports Medicine.2017;35(3):181-189. doi:10.5763/kjsm.2017.35.3.181

Tensiomyography (TMG) is used to evaluate the contraction characteristics of the thigh muscles according to gender. Our hypothesis is that male's maximal displacement (Dm) will be lower than the control because the Dm increases when the muscle becomes stiff or hypertrophied. TMG evaluated 15 males and 12 females. The biceps femoris, semitendinosus, vastus lateralis, vastus medialis, and rectus femoris were evaluated. The TMG parameters obtained for each muscle were Dm and contraction time (Tc). And we calculated contraction velocity (Vc) as the rate of the radial displacement occurring during the time period of Tc with respect to Tc. Dm and Vc values of biceps femoris muscles were significantly lower in males than in controls, whereas Dm and Vc values of vastus medialis muscles were significantly lower in females than males. The Tc values of males were significantly higher in right and bilateral sum than females. This is the first report on TMG assessment by gender. We found that it is the most effective in finding muscle contraction characteristics according to gender and can induce the difference between the Dm and Vc of each muscle.
Female ; Humans ; Lower Extremity* ; Male ; Muscle Contraction ; Muscles ; Quadriceps Muscle ; Thigh

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Effects of Preseason Intermittent Complex Training on Body Composition, Aerobic-Anaerobic Capacity, and Hematologic Parameters in High School Soccer Players.

Seok Hee KIM

The Korean Journal of Sports Medicine.2017;35(3):172-180. doi:10.5763/kjsm.2017.35.3.172

The purpose of this study was to compare body composition, anaerobic capacity, and hematologic parameters after intermittent complex training in high school soccer players. The subjects were 15 high school soccer players (age, 15.60±0.82 years; height, 171.93±5.65 cm; body weight, 61.32±7.43 kg). Clinical variables included body composition, anaerobic capacity, and hematologic parameters. Data were analyzed to compare between trials by paired sample t-test. As a result, there were significant differences in body weight (p<0.05) and muscle mass (p<0.05) of body composition after 4 weeks. There were significant differences in shuttle run (p<0.001) and heart rate in rest (p<0.05) of aerobic performance after 4 weeks. There were significant differences in lactate dehydrogenase (p<0.001), creatine kinase (p<0.001), all out lactic acid (p<0.01), and red blood cell (p<0.001) of hematologic parameters after 4 weeks. In summary, intermittent complex training for 4 weeks showed strong influences on body composition and hematologic parameters variables in high school soccer players.
Body Composition* ; Body Weight ; Creatine Kinase ; Erythrocytes ; Heart Rate ; Humans ; L-Lactate Dehydrogenase ; Lactic Acid ; Soccer*

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Posterior Glenoid Lesions on Magnetic Resonance Imaging in Adolescent Baseball Players.

Ki Bong PARK ; Hyung Lae CHO ; Hong Ki JIN ; Sang Su KIM ; Ji Un KIM

The Korean Journal of Sports Medicine.2017;35(3):162-171. doi:10.5763/kjsm.2017.35.3.162

The purpose of this study is to evaluate the characteristics of posterior glenoid lesion (PGL) on magnetic resonance imaging (MRI) in adolescent baseball players. Seventy-two adolescent baseball players (mean age, 15.1 years) who underwent MRI scan for dominant shoulder pain were enrolled and the location and morphologic features of PGLs were assessed on MRI. All players were divided into three groups based on the physeal status of proximal humerus: group I, open; group II, partial closure; and group III, complete closure. Of the 72 players, posterior glenoid rim rounding (69%) and periosteal thickening (88%) were the main PGL on axial imaging. Osteochondritis dissecans (OCD) of glenoid (10%), Bennett lesion (6%), and posterior labral tear (21%) were also identified. On oblique sagittal imaging, bony PGL including OCD involves mid-portion of posterior glenoid consistent with the level of the infraspinatus muscle, but Bennett lesion was located relatively lower than PGL. Posterior glenoid rim rounding was more prevalent in younger players (group I, 86%; group II, 78%; group III, 43%; p=0.015), and posterior labral tears were in older players (group I, 0%; group II, 19%; group III, 38%, p=0.027). Factors related with prevalence of posterior glenoid rim rounding were increased body mass index (p=0.016), pitchers (p=0.024), and players with posterior shoulder tightness (p=0.023), but career length was not statistically significant (p=0.089). Decreasing the rate of posterior glenoid rim rounding with skeletal growth implies that it may be recovered through the remodeling process, and labral tears are increasing internal impingement lesion after physeal closure.
Adolescent* ; Baseball* ; Body Mass Index ; Humans ; Humerus ; Magnetic Resonance Imaging* ; Osteochondritis Dissecans ; Prevalence ; Shoulder ; Shoulder Pain ; Tears

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Preliminary Clinical Results of Topaz Microdebridement Procedure in Lateral Epicondylitis Patients.

Sung Woo HONG ; Yong Bok PARK ; Ji Yong PARK ; Jae Chul YOO

The Korean Journal of Sports Medicine.2017;35(3):155-161. doi:10.5763/kjsm.2017.35.3.155

The purpose of this study is to clinically evaluate and report the effectiveness of radiofrequency microdebrider (Topaz, ArthroCare) treatment in lateral epicondylitis patients. From March to July 2003, 15 patients of 17 elbows were prospectively followed. Candidate for the treatment were lateral epicondylitis patients who had symptom more than 6 month and failed to respond to conservative treatment, including medication (non-steroidal anti-inflammatory drugs), external gel or patch, and steroid injections. All patient who scored greater than grade 3 (fair) on the Self-administered Roles and Maudsley Pain (SRMP) score were selected for the procedure. All procedure was done using local anesthesia and ArthroCare microdebrider by a single surgeon. Postoperative assessments were done on postoperative period 12 month of two previous subjective scores and a simple functional assessment asking better, same, or worst function after the procedure. Mean age of the patients was 45 years old. Mean symptom duration before the procedure was 22.6 months. After the procedure, the mean Pain Visual Analogue Scale improved from 7.3 (range, 5–9; standard deviation [SD], 1.2) preoperatively to 3.7 (range, 0–7; SD, 2.1) postoperatively (p< 0.001). After the procedure, five elbows showed no rating improvement, in seven elbows 1 level improvement, in four elbows 2 level improvement, and in one elbow 3 level improvement. Overall, 71% (12/17) showed improvement after the procedure according to the SRMP score rating. Although 29% (5/17) of the elbow showed no improvement on SRMP score, among them five elbows were still rated decrease in Pain Visual Analogue Scale.
Anesthesia, Local ; Elbow ; Humans ; Pain Measurement ; Postoperative Period ; Prospective Studies ; Tennis Elbow

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Humeral Shaft Fracture Sustained during Arm Wrestling in Young Males.

Seung Rim YI ; Jieun KWON ; Ye Hyun LEE ; Bo Kyu YANG ; Young Joon AHN ; Se Hyuk IM ; Joon Hee CHO ; Sang Hoon PARK

The Korean Journal of Sports Medicine.2017;35(3):149-154. doi:10.5763/kjsm.2017.35.3.149

Humeral shaft fracture sustaining arm wrestling is rare, but occurs intermittently. We treated 15 cases of humeral shaft spiral fractures occurred during arm wrestling for fun since 2007. Average age was 22.47±2.69 years, average body mass index was 22.67±2.06 kg/m2. There was no prominent tendency for the fractures to occur at a certain phase of the match. Fractured level and length of each case were measured in the plain radiographs and compared with those of previous reports. Eight cases (53.3%) had an associating medial butterfly fragment, and the time taken until the fracture occurred was longer than that of simple spiral fracture (15.62±9.03 seconds vs. 7.85±2.67 seconds, p=0.048). Fractures were distributed mid to distal one third of humerus, the length of fracture was 7.93±2.69 cm and involved 25.43%±8.24% of humeral length. All cases except one treated surgically using plate and screws and returned their full activities within postoperative 3 months. Although arm wrestling is a simple and joyful sport, participants should be aware of the risks of injury during arm wrestling, especially for the amateur players.
Arm* ; Body Mass Index ; Butterflies ; Humans ; Humeral Fractures ; Humerus ; Male* ; Sports ; Wrestling*

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Treatment of Avulsion Fracture of Proximal Rectus Femoris with Suture Anchor.

Jin Wan KIM ; Youn Soo HWANG ; Kyu Pill MOON ; Kyung Taek KIM ; Joon Yeon SONG ; Min Soo KANG

The Korean Journal of Sports Medicine.2016;34(1):83-86. doi:10.5763/kjsm.2016.34.1.83

Avulsion injuries of the anterior inferior iliac spine, which is the origin of the rectus femoris muscle, are sometimes reported in children and adolescents, but acute avulsion injuries with complete rupture of the rectus femoris are very rare in adults. We treated a case of avulsion fracture of the anterior inferior iliac spine with suture anchors in an adult and achieved a favorable outcome. Thus, we report the case with a review of literature.
Adolescent ; Adult ; Child ; Humans ; Quadriceps Muscle* ; Rupture ; Spine ; Suture Anchors* ; Sutures*

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Erratum: Biomechanical Parameters in Arch Building Gait Measured by Gait Analysis System with Pressure Sensor.

Bae Youl LEE ; Seung Don YOO ; Seung Ah LEE ; JinMann CHON ; Dong Hwan KIM ; Yong Seol JEONG ; Seong Gyu NOH ; Mi Ae LEE ; Woo Jin LEE ; Eun Hye KIM ; Sung Jae KANG ; Jae Cheong RYU

The Korean Journal of Sports Medicine.2016;34(2):195-195. doi:10.5763/kjsm.2016.34.2.195

The funding acknowledgment in this article was omitted as published.

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Isolated Infraspinatus Tear and Suprascapular Nerve Neuropathy after Barbotage and Steroid Injection of Calcific Tendinitis.

Jin Young BANG

The Korean Journal of Sports Medicine.2016;34(2):190-194. doi:10.5763/kjsm.2016.34.2.190

Isolated rupture of infraspinatus after barbotage for calcific tendinitis has not been reported in the literature. We report on a case of isolated infraspinatus rupture and suprascapular nerve neuropathy after steroid injection and barbotage of calcific tendinitis in rotator cuff. At 6-month follow-up after surgery, satisfactory clinical and radiological outcomes were observed with daily activity level. The author reports this case and review the literature.
Follow-Up Studies ; Rotator Cuff ; Rupture ; Tears* ; Tendinopathy*

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