Table 2: Time-points of speed variation change occurrence in the v(t) curves obtained during 25m all-out races using stiff and fiber fins.

Test Conditions	One Time-point of Change (s)	Two Time-points of Change (s)
Stiff fins	10.50±1.29	6.75±0.96	11.50±1.29
Fiber fins	9.75±0.50	7.00±1.41	12.00±1.83