Lower-limb activity during the power serve in tennis: Effects of performance level

Article Abstract:

A study is conducted to investigate the differences in lower-limb activity during the tennis power serve between players of different performance levels. Conclusions reveal that the vertical forces and coordination in lower extremities during the tennis serve are different between players of different skill but with same P(sub max).

Physiological aspects, Muscle contraction, Tennis players, Extremities (Anatomy)

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Effects of hypoxic interval training on cycling performance

Article Abstract:

The study aims to test the hypothesis that intermittent hypoxic interval training improves sea cycling performance more than equivalent training in hypoxia or normoxia. It is concluded that short-term exposure to hypoxia did not elicit a greater increase in performance or any hematogical modifications.

Influence, Hypoxia, Anoxia, Cycling

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Does the mechanical work in running change during the VO2 slow component?

Article Abstract:

A change in mechanical work occurred during the development of the VO2 slow component under the effect of fatigue is determined. It is suggested that the slow component during running is due to the cost of generating force.

Biomechanics, Fatigue, Dynamics, Dynamics (Mechanics), Locomotion

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