BACKGROUND The prevalence of jumper's knee among nonelite athletes from different sports is unknown. PURPOSE This study was undertaken to determine the prevalence of jumper's knee in nonelite athletes from different sports and to determine potential risk factors for jumper's knee. DESIGN Cohort study (prevalence); Level of evidence, 2. METHODS The authors interviewed 891 male and female n...

BACKGROUND A preexisting rotator cuff tear may affect the draft status and career performance of National Football League (NFL) players. HYPOTHESIS Preexisting rotator cuff tears decrease a player's draft status, performance, and longevity in the NFL. STUDY DESIGN Retrospective cohort study. LEVEL OF EVIDENCE Level 3. METHODS Medical reports of prospective NFL players during the NFL Sco...

objective: this study was performed to survey the relationship between coaches’ and athletes’ competitive anxiety, and their performance. methods: this is a descriptive correlational study performed using a demographic questionnaire, an athletic performance checklist, and sport competition anxiety test designed by martens consisting of 15 questions. the study population consisted of 540 players...

This study was conducted to investigate relationships and gender differences in dietary supplement (DS) and oriental supplement (OS) prevalence as well as anti-doping awareness during training and the game period. Korea National Sport University athletes (343 male and 136 female) participated in this study and completed DS and OS practice and anti-doping awareness questionnaires. Forty-six perc...

BACKGROUND Patellar tendinopathy (PT) is one of the most common knee disorders among athletes. Changes in morphology and elasticity of the painful tendon and how these relate to the self-perceived pain and dysfunction remain unclear. OBJECTIVES To compare the morphology and elastic properties of patellar tendons between athlete with and without unilateral PT and to examine its association wit...

BACKGROUND We hypothesize that prostate specific antigen (PSA), a protein that it is under regulation by androgens, may be differentially expressed in female elite athletes in comparison to control women. METHODS We conducted a cross-sectional study of 106 female athletes and 114 sedentary age-matched controls.  Serum from these women was analyzed for complexed prostate specific antigen (cPSA...

BACKGROUND The aorta is exposed to hemodynamic stress during exercise, but whether or not the aorta is larger in athletes is not clear. We performed a systematic literature review and meta-analysis to examine whethere athletes demonstrate increased aortic root dimensions compared with nonathlete controls. METHODS AND RESULTS We searched MEDLINE and Scopus from inception through August 12, 201...

The purpose of the study was to compare the prevalence of disordered eating between female college athletes and non-athletes and explore emotion regulation as a potential mediator of the link between participation in athletics and disordered eating symptoms. Data for this cross-sectional study came from 527 college students in a mid-western state of the USA in fall of 2013 (376 non-athletes and...

BACKGROUND Female athletes participating in high-risk sports suffer anterior cruciate ligament injury at a 4- to 6-fold greater rate than do male athletes. HYPOTHESIS Prescreened female athletes with subsequent anterior cruciate ligament injury will demonstrate decreased neuromuscular control and increased valgus joint loading, predicting anterior cruciate ligament injury risk. STUDY DESIGN...

UNLABELLED In Hungary, ECG is a keystone of routine athletic screening. Its significance is based on simplicity, quickness and high informative value as well as the fact that appearance of pathological ECG signs can precede the formation of structural heart diseases. During screening of healthy athletes, we studied the incidence of athletic ECG changes and pathological ECG abnormalities. METH...