Aiming to lack the function of soil covering in developed orchard straw mulching machine (OSM), a kind bilateral counter-throwing soil-covering device was eliminate fire risk caused by layer. The suspended at rear OSM. Its core component pair throwing wheels installed on both sides frame. Hydraulic motors drove take on-site and cover adjustment range space between 1.4-2.1 m. Based analysis quan...

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 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...

An established finding is that adults prefer to guess before rather than after a chance event has happened. This is interpreted in terms of aversion to guessing when relatively incompetent: After throwing, the fall could be known. Adults (N=71, mean age 18;11, N=28, mean age 48;0) showed this preference with imagined die-throwing as in the published studies. With live die-throwing, children (N=...

In this cross-sectional study, the qualitative and quantitative throwing performance of male and female athletes (6 to 16 years of age) was analyzed. The goal of this study was to assess whether there were gender based qualitative and quantitative differences in throwing performance of young athletes, throughout three different age bands (childhood, pubescence, and adolescence). Furthermore, we...

The Movement Assessment Battery for Children (MABC-2) is a functional test for identifying deficits in the motor performance of children. The test contains a ball-catching task that requires the children to catch a self-thrown ball with one hand. As the task can be executed with a variety of different catching strategies, it is assumed that the task success can also vary considerably. Even thou...