Muscle activation during the tennis volley

Article Abstract:

Studies using skilled tennis players determined that the level of muscle activation corresponds to the speed of the ball during a volley. Investigative methods included varied ball contact height, ball speed and forehand and backhand contact locations. Surface electromyographic monitoring determined muscle activity levels. Ball speed was found to be the primary instigator of muscle activation.

Muscle contraction

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Movement characteristics of the tennis volley

Article Abstract:

Studies reveal that tennis players tend to initiate lateral movement in different ways during a volley depending on ball velocity. Using ground reaction force parameters to analyze the stroke phrase, researchers determined that players lean to the side for lateral movement for slower ball velocity and push off vigorously from the contralateral foot for faster ball velocity.

Movement (Physiology), Human mechanics

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Discus throwing performances and medical classification of wheelchair athletes

Article Abstract:

A study of wheelchair athletes identifying the kinematic characteristics most closely related to the medical classification and measured distance of a discus throw shows that the speed of the discus at release and the shoulder girdle movement during the forward swing are important determinants of classification and measured distance.

Disabled athletes, Discus throwing

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