Shoulder impingement in front-crawl swimming: a method to identify impingment, I

Article Abstract:

Research was conducted to identify and analyze shoulder impingement during the front-crawl swimming. Results show that in a male swimmer shoulder impingement or pain occurred 12% of the stroke time for each shoulder.

Biomechanics

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Shoulder impingement in front-crawl swimming: analysis of stroking technique, II

Article Abstract:

Results reveal that on an average, shoulder impingement occurs 24.8% of the stroke time and it is influenced mainly by the stroke technique employed. The study indicates that swimmers can reduce the risk of developing shoulder pain by altering swimming techniques.

Research, Injuries, Kinematics, Elbow, Elbow injuries

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Computer simulation of the last support phase of the long jump

Article Abstract:

The interacting roles played by the approach velocity, the explosive strength, and the change in angular momentum about transverse axis through the jumper's center of mass during the last phase of the jump, using a computer simulation technique is examined. It is found that the jump distance is more sensitive to changes in approach velocity than to changes in the vertical ground reaction force (VGRF).

Computer simulation, Computer-generated environments, Angular momentum

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