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. 2024 Feb 6;6:1352725. doi: 10.3389/fspor.2024.1352725

Table 2.

Kinematic and spatiotemporal characteristics of the run-up and take-off for SU and UN attempts.

Variable Mean ± SD % diff
(Cohen's d)
P1
% diff
P2
% diff
P3
% diff
P4
% diff
P5
% diff
P6
% diff
P7
% diff
Step to bar angle (°) SU 28.70 ± 8.20 −6.39 ± 9.36%
(d = 0.184)
−1.18 −9.72 −8.56 −16.46 −16.60 9.61 −1.79
UN 27.10 ± 9.18
Step 3 length (m) SU 2.02 ± 0.24 0.01 ± 3.86%
(d = 0.015)
−5.14 5.49 1.39 0.35 3.72 −3.18 −2.58
UN 2.02 ± 0.22
Step 2 length (m) SU 2.18 ± 0.22 −1.56 ± 4.11%
(d = 0.165)
−1.00 5.23 −4.58 −2.64 −4.71 −5.76 2.53
UN 2.14 ± 0.21
Step 1 length (m) SU 1.97 ± 0.13 −2.53 ± 3.16%
(d = 0.341)
−5.31 3.42 −3.42 −2.76 −1.06 −2.36 −6.24
UN 1.92 ± 0.16
Take-off distance (m) SU 1.13 ± 0.17 6.39 ± 8.11%
(d = 0.410)
13.77 12.22 −0.55 7.83 14.80 3.58 −6.94
UN 1.20 ± 0.17a
Contact 4 duration (s) SU 0.15 ± 0.01 6.24 ± 3.21%
(d = 0.847)
6.25 - 3.57 10.00 10.34 3.57 3.70
UN 0.15 ± 0.01a
Contact 3 duration (s) SU 0.14 ± 0.01 −0.55 ± 8.13%
(d = 0.060)
6.67 −3.45 −11.54 −6.90 11.54 −3.85 3.70
UN 0.14 ± 0.01
Contact 2 duration (s) SU 0.14 ± 0.02 3.68 ± 8.45%
(d = 0.223)
−2.86 7.69 17.39 7.69 −3.57 −6.67 6.06
UN 0.15 ± 0.02
Contact 1 duration (s) SU 0.17 ± 0.01 5.09 ± 3.30%
(d = 0.835)
5.88 2.94 2.70 6.25 2.86 3.23 11.76
UN 0.18 ± 0.01b
Flight 3 duration (s) SU 0.10 ± 0.03 −8.71 ± 11.62%
(d = 0.259)
−10.00 −14.29 −21.43 4.7 −16.67 10.00 −13.33
UN 0.09 ± 0.03
Flight 2 duration (s) SU 0.13 ± 0.02 0.44 ± 5.25%
(d = 0.000)
8.70 −4.00 4.00 −3.33 −3.03 −4.00 4.76
UN 0.13 ± 0.02
Flight 1 duration (s) SU 0.05 ± 0.01 −18.83 ± 15.39%
(d = 0.847)
−33.33 9.09 −27.27 −14.29 −14.29 −15.38 −36.36
UN 0.04 ± 0.01a
FT:CT ratio SU 0.31 ± 0.08 −22.48 ± 16.09%
(d = 0.917)
−37.05 5.97 −29.19 −19.33 −16.67 −18.03 −43.06
UN 0.24 ± 0.08a
Duration of knee flexion (s) SU 0.10 ± 0.02 −3.14 ± 18.48%
(d = 0.166)
0.00 0.00 0.00 −40.00 −10.53 14.29 14.29
UN 0.10 ± 0.02
Duration of knee extension (s) SU 0.07 ± 0.01 19.37 ± 29.21%
(d = 0.826)
14.29 8.33 9.09 83.33 18.75 −5.88 7.69
UN 0.08 ± 0.02
Anteroposterior CM velocity at TD (m/s) SU 5.31 ± 0.56 6.25 ± 5.04%
(d = 0.015)
−2.57 −14.20 −8.39 −0.58 −10.95 −4.59 −2.47
UN 4.98 ± 0.61a
Mediolateral CM velocity at TD (m/s) SU 5.48 ± 0.73 1.42 ± 7.97%
(d = 0.069)
15.61 0.77 −4.07 0.74 −10.16 5.26 1.78
UN 5.53 ± 0.60
Horizontal CM velocity at TD (m/s) SU 7.67 ± 0.32 −1.90 ± 5.40%
(d = 0.483)
3.64 −4.29 −6.50 3.96 −9.44 0.28 0.15
UN 7.52 ± 0.32
Vertical CM velocity at TD (m/s) SU −0.44 ± 0.27 −65.63 ± 216.30%
(d = 0.007)
−11.23 86.76 −15.36 20.08 8.63 −550.00 1.67
UN −0.44 ± 0.29
Anteroposterior CM velocity at TO (m/s) SU 2.67 ± 0.44 6.03 ± 10.34%
(d = 0.332)
−7.72 9.07 3.13 19.38 10.26 14.80 −6.69
UN 2.83 ± 0.56
Mediolateral CM velocity at TO (m/s) SU 3.35 ± 0.38 −7.63 ± 13.51%
(d = 0.544)
−10.33 −2.16 −15.67 3.02 −31.56 −6.60 9.87
UN 3.09 ± 0.56
Horizontal CM velocity at TO (m/s) SU 4.30 ± 0.39 −1.33 ± 7.52%
(d = 0.153)
−9.27 0.060 −5.80 8.41 −11.31 4.10 4.00
UN 4.24 ± 0.45
Vertical CM velocity at TO (m/s) SU 4.62 ± 0.19 −3.30 ± 8.82%
(d = 0.576)
−13.30 −4.79 −14.10 −4.89 −0.51 7.72 7.49
UN 4.46 ± 0.33
Δ horizontal CM velocity (%) SU −43.93 ± 4.64 −0.31 ± 8.54%
(d = 0.042)
17.60 −6.16 −1.04 −5.93 2.58 −5.90 −3.38
UN −43.65 ± 5.11
Take-off angle (°) SU 47.11 ± 2.71 −1.26 ± 5.29%
(d = 0.176)
−2.69 −3.40 −5.82 −8.10 7.29 2.14 1.72
UN 46.52 ± 3.83

The percentage differences between SU and UN are displayed for the combined sample (mean ± SD) and individual participants (P1–P7). Step 3 is the third step before take-off, and Contact 1 is take-off.

a

Significantly different from SU (p < 0.05).

b

Significantly different from SU (p < 0.01).