BACKGROUND After performing an aortotomy, there are a variety of techniques utilized for suture closure. There is no published data comparing the efficacy of various suture techniques. The goal of this study is to provide an ex-vivo quantitative assessment of resistance to leakage and dehiscence for three aortotomy closure techniques. MATERIALS AND METHODS An ex-vivo model was developed utili...

BACKGROUND Pitching is a common mechanism of injury in baseball, with known risk factors for elbow injuries among adolescent pitchers. HYPOTHESIS Elbow injury rates and mechanisms will differ between high school baseball and softball players. STUDY DESIGN Descriptive epidemiology study. LEVEL OF EVIDENCE Level 3. METHODS Baseball- and softball-related injury data from the 2005-2006 thro...

This paper attempts to predict the outcome of games from the 2012 Major League Baseball season. Sporting events are very important to many people, and professional leagues are worth billions of dollars. Baseball, in particular, is not only one of the most popular sports in the United States, but the vast amount of recorded data and statistics made publicly available also lends itself well to ma...

The trajectory of a baseball moving through the air is very different from the one we teach in our introductory classes, in which the only force is that due to gravity. In reality, the aerodynamic drag force (which retards the motion) and the Magnus force on a spinning baseball (which causes the ball to curve) play very important roles that are crucial to many of the subtleties of the game. Des...

As the salaries of baseball players continue to skyrocket and with the ever-increasing popularity of fantasy baseball, the desire for more accurate predictions of players’ future performances is building both for baseball executives and baseball fans. While most existing work in performance prediction uses purely statistical methods, this thesis showcases research in combining multiple machine ...

CONTEXT Although baseball is a relatively safe sport, numerous reports suggest a rapid rise in elbow injury rate among youth baseball pitchers. EVIDENCE ACQUISITION PUBMED WAS SEARCHED FOR EPIDEMIOLOGIC, BIOMECHANICAL, AND CLINICAL STUDIES OF ELBOW INJURIES IN BASEBALL (KEYWORDS: "youth OR adolescent" AND baseball AND pitching AND "ulnar collateral ligament OR elbow"; published January 2000 -...

PURPOSE The current study examined how baseball fans evaluate a robot umpire from the perspective of human-robot interaction. In particular, this whether evaluated more positively depending on or human has final authority to make ball-strike decisions, when decision contradicts with each other. Furthermore, different types expertise (baseball vs. image analysis) embedded in and fans’ levels tec...

BACKGROUND The prevalence and clinical characteristics of osteochondritis dissecans (OCD) of the humeral capitellum among adolescent baseball players are unknown. PURPOSE To determine the OCD prevalence in adolescent competitive baseball players and to investigate the clinical characteristics of these patients. STUDY DESIGN Cross-sectional and case-control study; Level of evidence, 3. MET...

This paper presents an easily understood example of a labor market that is useful in introducing how wages and rents are determined, using professional baseball as the context. The mechanics of a competitive labor market are outlined and an empirical analysis of the major league baseball (MLB) labor market is described. An example out-of-class exercise investigating whether baseball player sala...

Baseball and softball are popular non-contact, non-collision team sports in Australia. Although softball originated as an indoor version of baseball, the two games have evolved into separate sports with different sets of rules and playing conditions. Both sports involve four main activities or skills: throwing, including pitching and fielding; catching; batting; and base running. The major diff...