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Changes in exercise characteristics, maximal voluntary contraction, and explosive strength during prolonged tennis playing
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    To avoid Confusion about Lower Limbs Stiffness Unit of Measurement

    Dear Editor

    We are concerned with an important confusion about data unit of measurement presented by Girard et al. when evaluating the changes in Lower Limbs Stiffness (LLS) during prolonged tennis playing (1). Evaluation of LLS is of great interest in a sport like tennis where speed and reactivity takes a great part. LLS is an important element of the muscle biomechanical characteristics and the optimal utiliz...

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    Conflict of Interest:
    None declared.