Table 1. Effect of shoe collar height on ankle angle at touchdown (θ₀), maximum and minimum ankle angles (θ_min and θ_max), ankle range of motion (θ_ROM), ankle angle excursion during the downward phase (Δθ), and the jump height (h) in the weight-bearing dorsiflexion (WB-DF) maneuver, drop jump (DJ), and lay-up jump (LJ) tasks.

Tasks	Shoes	θ0 (°)	θmin (°)	θmax (°)	θROM (°)	Δθ (°)	h (cm)
WB-DF	HS	N/A	85.0 ± 8.9*	112.8 ± 3.5	27. 0± 6.7*	N/A	N/A
	LS	N/A	77.1 ± 7.3	108.9 ± 4.8	32.2 ± 6.6	N/A	N/A
	Mean difference (95% CI)	N/A	7.9 (4.7–11.1)	3.9 (.7–7.1)	-5.2 (-8.7–-1.7)	N/A	N/A
	Cohen’s d	N/A	.971	.928	.782	N/A	N/A
	Post-hoc power	N/A	66.2%	62.3%	52.2%	N/A	N/A
DJ	HS	125.6 ± 9.2	90.8 ± 11.2	140.7 ± 8.7	50.0 ± 9.3	34.7±7.9	.344 ± .054
	LS	125.8 ± 6.1	88.1 ± 7.5	140.3 ± 8.1	52.1 ± 8.0	37.7±7.9	.342 ± .053
	Mean difference (95% CI)	-0.2 (-3.8–3.4)	2.1 (-2.5–6.7)	0.4 (-2.5–3.3)	-2.1 (-3.9–-0.3)	-3.0 (-6.3–0.3)	.002 (-.016–.020)
	Cohen’s d	.026	.283	.048	.242	.379	.037
	Post-hoc power	2.9%	10.3%	3.3%	8.6%	15.2%	3.1%
LJ	HS	117.8 ± 5.4	104.3 ± 7.2	136.2 ± 10.3	31.8 ± 8.1	13.6±5.8	.38 ± .05
	LS	116.0 ± 6.0	103.6 ± 5.7	134.1 ± 10.6	30.6 ± 6.7	12.4±4.5	.41 ± .04
	Mean difference (95% CI)	1.8 (.2–3.4)	.7 (-08–2.2)	2.1 (-.3–4.5)	1.2 (-.5–2.9)	1.2 (.1–2.3)	-0.03 (-.05–-.01)
	Cohen’s d	.315	.108	.201	.161	.231	.662
	Post-hoc power	11.8%	4.5%	7.1%	5.9%	8.2%	36.9%

* Significantly different from LS (p < 0.05).