Epidemiology of Volleyball Related Injuries in the Young Athlete
Gerardo E Miranda, Manuel Mas, Deric Lopez, Carlos Perez and William Micheo
Article Type: Epidemiologic Study | First Published: April 24, 2015
Volleyball is a worldwide sport played by approximately 200 million people. It is played at different levels of competition, and organizations, starting from youth to the professional level. Young athletes get involved early in club leagues and interscholastic competition. Volleyball is currently among the most popular club sports in the United States and Puerto Rico....
Mosh Pit Injuries: A Case Series of Avulsion Fractures in 2 Adolescents
Muhammad Waseem, Sabeeda Kadavath, Swathi Sethuram, Husayn Al-Husayni and Gerard Devas
Article Type: Case Report | First Published: April 17, 2015
Apophyseal avulsion fractures are almost exclusive to the adolescent population. It has been commonly associated with sports injuries. In our case reports, we identify two cases of these apophyseal avulsion fractures with no history of routine physical activity. In the context of our patients, identifying causation of hip pain was essential to understanding the mechanism of any trauma resulting in fractures. The adolescents presented in this case series reported a history of mosh pit activity af...
Electromyographic Cross-Spectral Analysis of Antagonist Muscle Coactivation
Travis W. Beck
Article Type: Research Article | First Published: March 20, 2015
The purpose of this study was two-fold: (1) to compare the responses for traditional EMG amplitude measures with those from the crossspectrum approach for assessing agonist-antagonist interaction, and (2) to examine changes in the agonist-antagonist interaction for the elbow flexors and extensors with increases in movement velocity. Eighteen healthy, college-aged subjects (mean ± SD age = 21.8 ± 2.7 yrs) volunteered to perform maximal, concentric isokinetic contractions of the dominant elbow fle...