Reliability of the Wii balance board in kayak

Background the seat of the kayaker represent the principal contact point to express mechanical Energy. Methods therefore we investigated the reliability of the Wii Balance Board measures in the kayak vs. on the ground. Results Bland-Altman test showed a low systematic bias on the ground (2.85%) and in kayak (-2.13%) respectively; while 0.996 for Intra-class correlation coefficient. Conclusion the Wii Balance Board is useful to assess postural sway in kayak.