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At least 19 recordsLinked to original sources
PubMed2006

A study on tinea gladiatorum in young wrestlers and dermatophyte contamination of wrestling mats from Sari, Iran.

OBJECTIVE: To study the prevalence of tinea gladiatorum among young wrestlers and dermatophyte contamination of wrestling mats from Sari city, the capital of Mazandaran, a northern province of Iran. DESIGN: 324 wrestlers (aged 9-20 years) from 7 active clubs in Sari city were examined, and skin scrapings were obtained from 135 wrestlers suspected of having tinea gladiatorum. The scraped skin samples were evaluated with potassium hydroxide. Pleated carpet sterile fragments (5 x 5 cm) were used for to survey of wrestling mat contamination. Sabouraud's dextrose agar with and without chloramphenicole and cyclohexamide was used to culture scrapings and wrestling mat samples. The dermatophytes were identified by routine laboratory techniques. RESULTS: Our study showed that of the 324 wrestlers, 65 (20.1%) had tinea gladiatorum. Most lesions were on the trunk and head. All the wrestling mat samples were positive for dermatophytes. Trichophyton tonsurans was isolated from all the scrapings and wrestling mat samples. CONCLUSION: Considering that several colonies of T tonsurans were isolated from all the wrestling mats and from wrestlers with tinea gladiatorum (as the only dermatophyte species) we think that the contamination of wrestling mats with T tonsurans has a crucial role in the injection of wrestlers.

Adolescent↗
PubMed2006

The relationship between watching professional wrestling on television and engaging in date fighting among high school students.

CONTEXT: Previous research has found that exposure to violence in the home, community, and electronic media are associated with children's and adolescents' normative expectations concerning the use of violence and with other indicators of the violent behaviors by youth. OBJECTIVE: Our purpose with this study was to examine the relationships between the frequency that high school students reported watching wrestling on television and engaging in date fighting, weapon carrying, and other fighting behaviors. DESIGN: The initial analysis consisted of a cross-sectional study of a simple random sample of high school students, which was followed by a longitudinal analysis of these students over a 6- to 7-month period. SETTING: The setting was all public high schools in 1 city/county system. PARTICIPANTS: We used a simple random sample (N = 2228) of students. MAIN OUTCOME MEASURES: The primary outcome variables included the frequency of date fighting during the previous 12 months and alcohol or other drug involvement associated with the last date fight. RESULTS: There were significant correlations between frequency of watching wrestling on television during the previous 2 weeks and engaging in date fighting, fighting in general, and weapon carrying for both males and females, although the relationships were stronger among females than among males. The frequency of watching wrestling was highest among students reporting date fighting when either the victim or perpetrator had been drinking alcohol or using illegal drugs. When analyzed using logistic regression, the strongest relationships were observed between the frequency of watching wrestling and date-fight perpetration among females in cross-sectional and longitudinal analyses. These findings persisted after adjusting for multiple other factors. CONCLUSIONS: For males and females, the frequency of watching wrestling was highest among students who fought with their dates when alcohol or other drugs were involved. The association between watching wrestling and date fighting was stronger among females than males. The relationship between watching wrestling on television and being the perpetrator of dating violence was also stronger among females and remained consistent over a 6- to 7-month time period.

Adolescent↗
PubMed1999

Determining a minimum wrestling weight for interscholastic wrestlers.

BACKGROUND: Junior high school and high school boys participating in interscholastic wrestling are at risk when allowed to compete in a weight class that is too low, which can adversely affect their growth and general health. This study compared 3 different methods that physicians may use to determine the minimum wrestling weight of junior high and high school wrestlers. METHODS: At an unannounced school visit, the minimum wrestling weight of the wrestlers was calculated on the basis of 3 different methods of estimating the percentage of body fat: (1) Lange calipers; (2) the Ross Laboratories Adipometer calipers; and (3) bioimpedance analysis. RESULTS: Over a 2-year period, 104 boys interested in interscholastic wrestling participated in this comparison. Correlation among all 3 methods was very high (consistently more than 98%). However, the 2 caliper methods agreed most closely with each other, with the Ross caliper overestimating minimum wrestling weight by an average of 0.6 kg. As compared with the Lange caliper method, bioimpedance underestimated minimum wrestling weight by an average of 2 kg. CONCLUSIONS: The agreement between the 2 caliper methods was sufficient to allow the simple, inexpensive caliper to be used instead of the more expensive Lange caliper. The bioimpedance method, which overestimated the percentage of body fat compared with the other methods, would allow too much weight loss. Using 3 quick skinfold measurements obtained with the inexpensive plastic Ross calipers and a chart of values, physicians can accurately calculate minimum wrestling weight for interscholastic wrestlers.

Adipose Tissue↗
PubMed1993

An outbreak of mud-wrestling-induced pustular dermatitis in college students. Dermatitis palaestrae limosae.

OBJECTIVE: To investigate an outbreak of gram-negative folliculitis in relation to a common exposure, mud wrestling, and identify risk factors for dermatitis among those who mud wrestled. DESIGN: Case-control study. SETTING: University of Washington, Seattle. PARTICIPANTS: Two college-residence groups of students. RESULTS: Cultures from affected students and from mud similar to that used for wrestling yielded Enterobacteriaceae. The odds ratio associated with mud wrestling was 79.5 (95% confidence interval, 13.9 to 895.4). Increased time spent wrestling was associated with increased risk. Skin trauma during wrestling or immersion in the mud increased the risk of infection (odds ratio, 23.1; 95% confidence interval, 1.7 to 1440.4). CONCLUSIONS: Mud wrestling is one cause of pustular follicular dermatitis. Trauma to the skin may be a necessary cofactor for the development of infection.

Adolescent↗
PubMed2000

Wrestling mats: are they a source of ringworm infections?

OBJECTIVE: To determine if the fungal molds (dermatophytes) responsible for causing ringworm could be isolated from a section of wrestling mat during the 1998-1999 season. DESIGN AND SETTING: A 2-part study was conducted. The first phase involved a culture evaluation of material taken from wrestling mats at 8 local high schools. The second phase was a bench laboratory study to determine if the fungus and molds could be grown from a wrestling mat in an optimal setting. SUBJECTS: We obtained material from areas of the practice mats of 8 high school wrestling teams at monthly intervals during the wrestling season. A 0.61-m (2-ft)x 0.31-m (1-ft) area of mat from 1 of the schools was used for the laboratory phase of the study. MEASUREMENTS: We cultured samples taken from each school's wrestling mats for growth of dermatophytes and used a questionnaire to determine the mat-washing habits and policies of each school. Also, wrestlers from the 8 schools were screened weekly by the designated team physician and certified athletic trainer. Any suspicious lesions were cultured for fungi. RESULTS: No dermatophytes were grown from the swab specimens taken at the 8 schools, and no dermatophytes were isolated from a section of mat evaluated in optimal laboratory conditions. CONCLUSIONS: It is unlikely that wrestling mats are a source of ringworm infections in wrestlers.

Journal Article↗
PubMed1998

Methicillin-resistant Staphylococcus aureus in a high school wrestling team and the surrounding community.

OBJECTIVES: To describe a community outbreak of methicillin-resistant Staphylococcus aureus (MRSA) and to investigate risk factors for MRSA transmission and infection in a wrestling team. DESIGN: Case series and retrospective cohort study. SETTING: A high school wrestling team and the surrounding community in southern Vermont, 1993 to 1994. PATIENTS OR OTHER PARTICIPANTS: The case series included persons whose MRSA-positive infections were identified at a hospital laboratory from January 1, 1993, through February 28, 1994, and a health maintenance organization laboratory from July 1, 1993, through February 28, 1994. A wrestling team case-patient was a 1993-1994 team member with an MRSA-positive culture during the period from January 1, 1993, through February 28, 1994. INTERVENTIONS: Visual inspection of wrestlers before matches was instituted. Affected wrestlers were excluded from wrestling and advised to seek appropriate medical care. Heightened attention was given to personal and environmental hygiene. MAIN OUTCOME MEASURES: Colonization or infection with MRSA. RESULTS: Seven of 32 team members were MRSA positive (6 infected, 1 colonized). All lesion-positive wrestlers were tested by pulsed field gel electrophoresis and found to be infected with the same MRSA strain, as were 6 nonwrestlers. No risk factors for MRSA infection were identified. CONCLUSIONS: The MRSA was transmitted among members of a wrestling team. Infection with MRSA should be suspected in outbreaks of boils that are nonresponsive to standard antibiotic therapy among healthy participants of contact sports and their close contacts.

Adolescent↗
PubMed1996

Effects of rapid weight loss and wrestling on muscle glycogen concentration.

OBJECTIVE: To examine the effect of energy restriction and wrestling on muscle glycogen content in highly-trained male wrestlers. DESIGN: Randomized, unblinded intervention trial. SETTING: McMaster University Nutrition and Metabolism Research Laboratory. PARTICIPANTS: Twelve highly trained male wrestlers volunteered as subjects and were randomly assigned to one of two groups (Group A, n = 6; Group B, n = 6) as defined below. ASSESSMENT OF RISK FACTORS: All subjects were free of medical conditions that would preclude participation in the study and all had performed rapid weight loss at least three times/year with no medical complications. INTERVENTIONS: Group A: simulated wrestling tournament, four 5-min wrestling bouts ( > 7 h) following a 5% body weight loss and 17 h repletion period; Group B: 5% weight loss through energy restriction (1,141 kcal/day), exercise, fluid restriction, and dehydration methods (sauna) > 72 h. MAIN OUTCOME MEASURES: Group A: muscle glycogen content before and after wrestling tournament and plasma lactate after each bout; Group B: muscle glycogen before and after weight loss. RESULTS: Group A: no significant effect on muscle glycogen concentration, yet large increases were observed in blood lactate concentrations (up to 14.7 mmol/L); Group B: weight loss resulted in a 54% (p < 0.018) reduction in muscle glycogen concentration. CONCLUSIONS: The weight loss methods commonly performed by wrestlers resulted in large decreases in muscle glycogen concentration that were largely reversed during the 17-h repletion period between weigh-in and the start of the competition; participation in a wrestling tournament did not have a significant impact upon biceps brachii glycogen concentration when ad libitum feeding is allowed between matches.

Adult↗
PubMed2005

Wrestling injuries.

OBJECTIVE: The purpose of this chapter is to review critically the existing studies on the epidemiology of pediatric wrestling injuries and to discuss suggestions for injury prevention and further research. DATA SOURCES: Data were obtained from the sports medicine and science literature since 1951. Literature searches were performed using the National Library of Medicine, Pubmed, Medline, Grateful Med, Sports Sciences, SportsDiscus. Keywords used included "Wrestling, Wrestle, Wrestling Injuries, Fractures, and Dermatologic". MAIN RESULTS: Only eight prospective or retrospective studies were found dealing with pediatric wrestling injuries and that provided sufficient information to allow the estimation of injury rates. Exposure-based injury rates were between 6.0 and 7.6 injuries per 1,000 athletic-exposures. Injury rates increased with age, experience, and level of participation. The head/spine/trunk was the body region that incurred the greatest frequency of injuries, followed by the upper and lower extremities. CONCLUSIONS: There are several potential areas for decreasing injury risk in wrestlers, including equipment, coaching, officiating and training. However, informed decisions with regard to preventing injuries are dependent upon the quality of the basic epidemiological data available, and at this time, analyses of risk factors and potential preventive measures are lacking.

Adolescent↗
PubMed1983

Glycogen depletion and lactate responses in freestyle wrestling.

Metabolic responses to international freestyle wrestling were investigated in six university wrestlers, four of whom were studied on two separate occasions. Lactate concentration in venous blood averaged 10.5 mM after the six minute bouts, while blood pH was (p less than 0.01) reduced to 7.063 +/- 0.061 (mean +/- S.D.) after wrestling. Glycogen concentration in biopsy samples from the vastus lateralis muscle was lower by 10.0 +/- 4.4 mmoles glucose units/kg wet muscle weight (p less than 0.01) after, compared to before wrestling. Evaluation of glycogen utilization in individual muscle fibre types using the periodic acid Schiff histochemical stain revealed that glycogen depletion, although modest, was similar in ST, FTa and FTb fibres. These data demonstrate that wrestling involves significant anaerobic metabolism, and that the vastus lateralis muscle is significantly involved in wrestling performance.

Adult↗
PubMed2002

Interaction of wrestling shoe and competition surface: effects on coefficient of friction with implications for injury.

The purpose of this study was to determine whether there is a significant difference in the co-efficient of friction (Fc) between old versus new wrestling shoes and mats and to investigate the effect of perspiration. Fc was measured by dragging a weighted shoe over a wrestling mat surface and measuring the vertical and horizontal forces produced. Three different shoe conditions were assessed over two mat types for both wet and dry conditions for a total of 12 conditions. To simulate the wet condition, saline solution was smeared over the surface of the mat. There was a significant effect of shoe, mat, and wet/dry conditions. In addition, significant interactions of shoe by mat, shoe by dry/wet, and mat by dry/wet were observed. Overall, Fc was 36% higher for the new wrestling mat compared to the old wrestling mat. Application of the saline solution reduced Fc by 14% compared to the dry condition. Comparison of the mean Fc for all three shoe types revealed the Fc for the older design shoe was 23% to 28% lower than the brand new shoe and the worn newer design, respectively. A high Fc, such as in the new mat/new shoe combination, has the potential to increase the risk of knee and ankle injuries by fixing the foot more securely to the ground.

Athletic Injuries↗
PubMed2005

Wrestling and sports medicine.

The coverage of wrestling events from the perspective of medical personnel is reviewed here. Considerations are made regarding the role of medical personnel, the supplies that are important for wrestling event coverage, and the injuries that are frequently encountered in wrestling. Attention is given to treatment of injuries and conditions that are largely specific to wrestling.

Athletic Injuries↗
PubMedDate not supplied

Injuries in collegiate wrestling.

We evaluated the data of the National Collegiate Athletic Association Injury Surveillance System on collegiate wrestling with a focus on musculoskeletal injuries. Over 800,000 athlete-exposures during an 11-year period compose these data. Findings particular to wrestling and a comparison with other collegiate sports are included. Collegiate wrestling had a relatively high rate of injury at 9.6 injuries per 1000 athlete-exposures. It was second to spring football in total injury rate. Most injuries in this study were not serious, with 6.3% resulting in surgery and 37.6% resulting in a week or more off from wrestling. There was only one catastrophic, nonfatal injury. The knee, shoulder, and ankle were the most commonly injured regions, and injuries to them were often the more serious. Sprains, strains, and contusions were the most common injury types. Takedowns and sparring were the most common activities at the time of injury. Mechanism of injury was evaluated; rotation about a planted foot and contact with environmental objects were identified as areas needing further attention. Illegal action accounted for only 4.6% of injuries in competition. Competition had a significantly higher injury rate than practice, but the injury profiles of these two areas showed both to be equally important. The preseason and regular season had higher injury rates than the postseason, but, again, the injury profiles of these periods were similar. Injury percentages were similar among the 10 weight classes.

Ankle Injuries↗
PubMed2005

Effects of a competitive wrestling season on body composition, strength, and power in National Collegiate Athletic Association Division III college wrestlers.

The purpose of this study was to investigate the effects of a competitive wrestling season on body composition, muscular strength, and muscular power in National Collegiate Athletic Association (NCAA) Division III college wrestlers. A total of 10 wrestlers were assessed throughout 2 consecutive wrestling seasons in late October, late January (midseason), and late March (postseason). Measurements included body weight, body composition (6-site skinfold), muscular strength (back squats and bench press), and muscular power (e.g., power cleans, vertical jump, seated medicine ball put). A repeated-measures analysis of variance (ANOVA) showed no significant changes in body weight, percentage of body fat, or fat-free mass (FFM) from pre- to mid- to postseason (body weight, 77.9 +/- 12.4, 75.7 +/- 11.0, and 79.9 +/- 12.8 kg; percentage of body fat, 11.6 +/- 3.9, 10.5 +/- 3.0, and 12.0 +/- 3.4; FFM, 68.5 +/- 8.7, 67.5 +/- 8.2, and 70.0 +/- 9.0 kg). A statistically significant main effect of time (p < 0.01) was observed for muscular strength, as both the back squat and bench press measures were lower at midseason (back squat, 150.8 +/- 25.2 kg; bench press, 98.3 +/- 25.4 kg) than at pre- and postseason (back squat, 157.9 +/- 25.5 and 161.4 +/- 25.6; bench press, 103.4 +/- 25.5 and 106.4 +/- 26.0). Muscular power did not change significantly throughout the wrestling season. These data indicate that Division III college wrestlers remain relatively weight stable with little change in body composition during a competitive wrestling season. While muscular power is apparently maintained, muscular strength may decline slightly. Our findings suggest that these wrestlers benefit from a training program that emphasizes in-season strength maintenance.

Adolescent↗
PubMed2000

Tinea gladiatorum: wrestling's emerging foe.

Tinea corporis, or ringworm, has become a common nuisance in competitive wrestling. Although it is a fairly benign infectious skin disease, it has significant effects on the ability of a wrestler to compete because of infection control issues. Very little has been published in the medical literature describing this problem. The majority of the literature has described outbreaks in an isolated group of wrestlers. One must examine ringworm infections in wrestlers as an entity distinct from tinea corporis infections typically seen in the paediatric population, thus the term 'tinea gladiatorum'. Tinea gladiatorum outbreaks have been caused by the dermatophyte, Trichophyton tonsurans. The epidemiology and microbiology point to person-to-person contact as the main source of transmission in wrestlers. The clinical features of tinea gladiatorum may or may not be consistent with those found in the general population. Ancillary tests, including potassium hydroxide preparations and fungal cultures may have to be done to confirm the diagnosis. Treatment guidelines for tinea corporis have failed to produce the desired goals in this particular population. More research studying different treatment regimens in the wrestling environment is needed to define the optimal treatment to return wrestlers to competition quickly without putting other wrestlers at risk for infection. Intuitive hygiene practices have been suggested to prevent spread of the infection, but they have not been substantiated. Anecdotal reports suggest that hygiene practices fall short of producing adequate primary or secondary prevention. Pharmaceutical prophylaxis has been effective, but universal drug prophylaxis carries risks including drug adverse effects and potential drug resistance. The role of potential asymptomatic carriers of dermatophytes has yet to be elucidated in the origin and/or perpetuation of tinea gladiatorum outbreaks. There are many unanswered questions about tinea gladiatorum. Sports medicine professionals must work to define this entity more completely before making recommendations about treatment, prevention and infection control. The ultimate goal is the eradication of tinea infections from the wrestling world. Energy should be focused on primary and secondary prevention, as well as treatment. Without a thorough knowledge of tinea gladiatorum as a distinct disease entity, wrestling has been losing its battle with this formidable opponent.

Humans↗
PubMed2000

[Paget-Schroetter syndrome caused by wrestling].

Upper extremity thrombosis (Paget-Schroetter syndrome) hints already at physical strains with regard to the synonymous term "effort thrombosis". We report two cases of upper extremity thrombosis caused by wrestling. Wrestling as an example of martial arts activity leads to traumatic venous intima lesions with resulting local activation of coagulation as a main reason in pathogenesis of these thromboses. The possibility of a Paget-Schroetter syndrome should be considered in differential diagnosis if upper extremity complaints of unknown origin occur after wrestling matches. This kind of subclavian vein thrombosis should be reported to the accident insurance.

Adult↗
PubMed2001

Physiological and performance responses to tournament wrestling.

PURPOSE: The purpose of this study was to investigate the physiological and performance responses to a simulated freestyle wrestling tournament after typical weight loss techniques used by amateur wrestlers. METHODS: Twelve Division I collegiate wrestlers (mean +/- SD;19.33 +/- 1.16 yr) lost 6% of total body weight during the week before a simulated, 2-d freestyle wrestling tournament. A battery of tests was performed at baseline and before and immediately after each individual match of the tournament. The test battery included assessment for body composition, reaction/movement time, lower and upper body power and isokinetic strength, and a venous blood sample. RESULTS: Lower body power and upper body isometric strength were significantly reduced as the tournament progressed (P < or = 0.05). Significant elevations in testosterone, cortisol, and lactate were observed after each match (P < or = 0.05). However, there was a significant reduction (P < or = 0.05) in resting testosterone values in the later matches. Norepinephrine increased significantly (P < or = 0.05) after each match, whereas epinephrine increased significantly (P < or = 0.05) after each match except the last match of each day. Plasma osmolality was consistently higher than normal values at all times including baseline, with significant increases observed after each match (P < or = 0.05). CONCLUSIONS: Tournament wrestling augments the physiological and performance decrements of weight loss and its impact is progressive over 2 d of competition. The combined effects of these stresses may ultimately be reflected in a wrestler's ability to maintain physical performance throughout a tournament.

Adolescent↗
PubMed1997

Nutrition beliefs, attitudes, and resource use of high school wrestling coaches.

Beliefs, attitudes, and nutrition resource use among high school wrestling coaches were measured for weight loss, weight class, dehydration, training diet, and eating disorders. Most coaches (82%) considered themselves very knowledgeable about wrestling but less informed about sport nutrition, weight loss, and vitamin supplements. They used a variety of nutrition resources, but only 36% had attended nutrition workshops. Almost all coaches were interested in learning more about specific nutrition topics. More experienced coaches attended nutrition workshops and felt more informed about weight loss and sport nutrition. The mean percentage of correct responses to questions about weight loss was 64%, training diets 59%, dehydration 57%, body composition 52%, and eating disorders 80%; the mean score for healthy attitudes about weight loss was 69%, training diets 34%, dehydration 29%, body composition 70%, and eating disorders 69%. These results can be used to develop training seminars and educational materials to promote greater knowledge and healthy attitudes among wrestling coaches.

Adult↗
PubMedDate not supplied

A prospective study of high school wrestling injuries.

We performed a prospective study to evaluate injury patterns in a large population of high school wrestlers during one season. Preseason screening was performed on 458 male wrestlers from 14 different high schools. Certified athletic trainers submitted detailed weekly team and individual injury reports. There were 219 injuries in 418 wrestlers followed throughout the season for an overall injury incidence of 52 injuries per 100 wrestlers per season and an injury rate of 6.0 injuries per 1,000 exposures. The most commonly injured areas were the shoulder (24%) and knee (17%). Injured wrestlers were an average of 5 months older and had a 32% higher experience level than noninjured wrestlers. Wrestlers with ligamentous laxity suffered fewer shoulder injuries than the other wrestlers. The majority of injuries occurred in practice (63%), although the injury rate was higher in match competitions. Sixty-eight percent of practice injuries occurred during hard wrestling, 23% during drills, and 9% during conditioning. The most common wrestling situation resulting in injury was the takedown position (68%). Our results show that the older and more experienced wrestler may be at greater risk of injury. Hard wrestling during practice and the takedown position resulted in the highest occurrence of injury.

Adolescent↗