The purpose of this study was to investigate the change in performance and technique of the overarm throwing in elementary school girls through a practice using the standard motion model. Fifteen girls from sixth grade were participated in three sessions: videotaping sessions at the preand post-practice and practice session. The throwing motions were videotaped with two high-speed cameras and a...

OBJECTIVE To assess differences in glenohumeral joint rotatory range of movement in javelin throwers between the throwing and non-throwing arm. METHOD A universal 360 degrees goniometer was used to assess glenohumeral joint external and internal rotation range in 90 degrees of shoulder abduction in a group of ten senior international javelin throwers. RESULTS Both arms had significantly gre...

BACKGROUND AND PURPOSE Infants born preterm differ in their spontaneous kicking, as well as their learning and memory abilities in the mobile paradigm, compared with infants born full-term. In the mobile paradigm, a supine infant's ankle is tethered to a mobile so that leg kicks cause a proportional amount of mobile movement. The purpose of this study was to investigate the relative kicking fre...

Design and Implementation Solenoid Based Kicking Mechanism for Soccer Robot Applied in Robocup-MSL S.Hamidreza Mohades Kasaei1, S. Mohammadreza Mohades Kasaei2 and S.Alireza Mohades Kasaei3 1Department of computer Engineering, Islamic Azad University Khorasgan Branch‐Young Researchers Club, Iran. Email: [email protected] 2Department of computer Engineering, Islamic Azad University Khorasg...

BACKGROUND The incidence of ulnar collateral ligament injury has increased in baseball, especially at the high school level. HYPOTHESIS Ulnar collateral ligament injury in high school baseball players is associated with overuse, high-velocity throwing, early throwing of breaking pitches, and improper warm-ups. STUDY DESIGN Retrospective cohort study. METHODS Follow-up physical examination...