Understanding handling performance of rugby balls under wet conditions: analysis of finger-ball friction

Abstract

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Skin tribology in sport

“…Initially with increasing compliancy, hydrated skin achieves increased contact area and so increases both adhesion and deformation [18]. Once fully saturated; however, a fluid film forms on the skin acting as a lubricant, which reduces resistance [19][20][21][22][23]. Additionally, when skin is hydrated, the greater water content may increase the viscoelastic effects of energy dissipation, potentially hindering elastic recoil and so increasing friction.…”

Analysing and Data-Driven Modelling the Handling Performance of Rugby Balls under Wet Conditions

“…e time taken for completing all shots successfully by each participant was recorded for determining their final passing scores. e scoring scheme used in this study is given in Table 1 [27]. During the test, if any invalid run or invalid data were identified, the test would be repeated until getting the valid data.…”

“…e global elasticity is believed to be dominated by the dermis layer of the skin, so it might be not very accurate to describe the elastic property of the SC. In addition, in the studies of Liu et al [27], they indicated that no water is transmitted into the dermis layer of the skin during the hydration treatment. erefore, it is reasonable to observe that the elasticity of the skin does not have significant changes under wet conditions.…”