marginally non-significantp = 0.0546
tail: F 1 , 5 = − 2.13 × 10 − 13 , p = 1.0 , η p 2 ≈ 0 ) and the region × surface interaction was marginally non-significant ( F 1 , 5 = 6.25 , p = 0.0546 , η p 2 = 0.555 ), suggesting that the effect of surface was largely consistent across body regions.