IF YOUR tenpin bowling is a bit off-target a smart training ball might one day keep your shots out of the gutter.
Sports scientist Franz Fuss of the Royal Melbourne Institute of Technology in Australia fitted aluminium tubes in the thumb and finger holes of a regular bowling ball. Each tube had a strain gauge at the bottom to measure and log the forces the players' fingers were applying on each shot.
Ten players of differing abilities used the ball to attempt various shots. Fuss found that the strain gauge measurements from the ball enabled him to identify the characteristics of successful shots (Sports Technology, DOI: 10.1002/jst.104). For instance, better bowlers consistently pinch the ball with much greater force immediately prior to release, to allow a faster delivery.
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