Th purpose of this study was to analyse by correlational methods the biomechanical factors involved in achieving the maximal distance thrown in the javelin event. Twelve Swiss decathletes and two world class javelin specialists were filmed by a high speed (102 fps) 16 mm camera throwing a total of 20 trials. The co-ordinates of the resulting cyclograms were processed by a computer programme and...

BACKGROUND Elbow injuries are common in college baseball players. Pitching creates stress and fatigue in and around the elbow. Lack of joint proprioception can contribute to nonphysiological joint loading and injury. HYPOTHESIS There will be no difference in elbow joint active reproduction sense following a simulated 3-inning pitching sequence. STUDY DESIGN Cross-sectional study. METHODS ...

Throwing is one of the most important and complex skills within the game of Cricket. In a throwing motion every movement of the segment/part counts. There are different types of throws and a player is expected to be able to perform the throw accurately. There are numerous aspects of throwing performance making it a complex skill to master, such as velocity, movement, etc. It has been shown that...

The accuracy of throwing in games and sports is governed by how errors in planning and initial conditions are propagated by the dynamics of the projectile. In the simplest setting, the projectile path is typically described by a deterministic parabolic trajectory which has the potential to amplify noisy launch conditions. By analysing how parabolic trajectories propagate errors, we show how to ...

CONTEXT Differences in 3-dimensional (3D) scapular motion have been reported between healthy baseball position players and healthy nonoverhead athletic controls, as well as players diagnosed with shoulder impingement syndrome. These alterations are theorized to be the result of adaptations due to the demands of repetitive throwing. However, comparisons between the throwing and nonthrowing shoul...

Human subjects threw balls of clay at a visual target while looking through wedge prism spectacles. In studies of short-term adjustment, subjects threw in the direction of their prism-bent gaze, missing the target to that side. Within 10-30 throws, they gradually adapted with a wider gaze-throw angle and hit the target. Immediately after removal of the prisms the wide gaze-throw angle persisted...

INTRODUCTION In the functional range of elbow flexion (approximately 20 to 120) the anterior bundle of the Ulnar Collateral Ligament (UCL) has been shown to function as the primary stabilizer against valgus stresses [1,2]. Injuries to this ligament are common among throwing athletes. Surgical reconstruction of the UCL is frequently performed using the Docking technique [3] and has achieved succ...

We analyzed three-dimensional (3D) humeral deformity (valgus-varus, flexion-extension, and rotational deformation) after little leaguer's shoulder using 3D computed tomography in a 15-year-old male baseball player. Humeral retroversion was increased by 27.1° on the dominant side compared with the nondominant side. Compared with the nondominant shaft, the dominant humeral shaft was deformed in t...

BACKGROUND: In handball, speed and accuracy are essential characteristics for the performance of throwing. AIM: To verify effects manipulation task constraints during throws on kinematic variables in amateur handball players. METHOD: 18 players (18-27 years) made 10 to target with a focus accuracy. The analysis throwing was performed, Student's t-test used. RESULTS: Greater velocity, hand, acro...