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Taula 4

Canvis entre la prova preliminar i la posterior de les puntuacions de les variables cinemàtiques en diferents condicions de supervelocitat i canvi percentual en la condició V0 després del període d’entrenament.

Variable	Preliminar	Posterior	r_B (IC 95 %)	Avaluació qualitativa	Variació percentual (IC 95 %)
V0
V5m (m/s)	8.10 ± 0.53	8.33 ± 0.57	0.71 (0, 0.95)	Gran	+2.94 (0.26, 5.62)
LP (cm)	197.60 ± 13.40	198.33 ± 15.40	0.20 (-0.64, 0.82)	Petit	+0.37 (-2.83, 3.56)
RP (passos·s^–1)	4.27 ± 0.24	4.25 ± 0.19	-0.07 (-0.78, 0.72)	Insignificant	-0.22 (-4.49, 4.04)
TC (s)	0.11 ± 0.01	0.11 ± 0	-0.60 (-0.93, 0.27)	Gran	-2.98 (-7.46, 1.49)
TV (s)	0.12 ± 0.01	0.13 ± 0.01	0.57 (-0.24, 0.91)	Gran	+2.81 (-0.98, 6.61)
DH (cm)	33.18 ± 4.24	36.55 ± 4.53*	1 (1, 1)	Gran	+10.51 (3.36, 17.67)
SV1
V5m (m/s)	8.31 ± 0.48	8.65 ± 0.50*	1 (1, 1)	Gran
LP (cm)	205.92 ± 14.81	207.32 ± 15.83	0.14 (-0.63, 0.78)	Petit
RP (passos·s^–1)	4.28 ± 0.31	4.27 ± 0.21	-0.05 (-0.73, 0.69)	Insignificant
TC (s)	0.11 ± 0	0.10 ± 0*	-0.87 (-0.98, -0.34)	Gran
TV (s)	0.13 ± 0.02	0.13 ± 0.01	0.81 (0.23, 0.97)	Gran
DH (cm)	34.83 ± 3.51	36.78 ± 4.40	0.81 (0.23, 0.97)	Gran
SV2
V5m (m/s)	8.52 ± 0.45	9.19 ± 0.53*	1 (1, 1)	Gran
LP (cm)	210.70 ± 17.46	220.37 ± 18.23	0.81 (0.23, 0.97)	Gran
RP (passos·s^–1)	4.25 ± 0.29	4.23 ± 0.23	-0.05 (-0.73, 0.69)	Insignificant
TC (s)	0.11 ± 0	0.10 ± 0	-0.52 (-0.90, 0.30)	Gran
TV (s)	0.13 ± 0.02	0.13 ± 0.01	0.71 (5.55×10-3, 0.95)	Gran
DH (cm)	37.48 ± 3.88	40.50 ± 2.80*	0.90 (0.54, 0.98)	Gran
SV3
V5m (m/s)	8.78 ± 0.66	9.09 ± 0.35	0.43 (-0.41, 0.87)	Moderado
LP (cm)	219.10 ± 15.51	225.43 ± 16.74	0.52 (-0.30, 0.90)	Gran
RP (passos·s^–1)	4.25 ± 0.27	4.25 ± 0.19	0.00 (-0.75, 0.75)	Insignificant
TC (s)	0.11 ± 0	0.10 ± 0	-0.71 (-0.95, -5.55×10-3)	Gran
TV (s)	0.13 ± 0.01	0.13 ± 0.01	0.52 (-0.30, 0.90)	Gran
DH (cm)	38.78 ± 4.21	41.53 ± 3.67*	1 (1, 1)	Gran
Nota. Els valors es presenten com a mitjana ± desviació típica. V0: sense càrrega de supervelocitat; SV: càrrega de supervelocitat (1: 2 kg; 2: 4 kg; 3: 5.25 kg); V5m: velocitat mitjana entre 40 m i 45 m des d’una sortida llançada; LP: longitud del pas; RP: ritme de pas; TC: Temps de contacte; TV: Temps de vol; DH: Distància horitzontal entre el primer punt de contacte i la projecció vertical del centre de masses. r_(B): Mida de l’efecte amb correlació biserial per rangs aparellats. *: p ≤ .05 diferent dels valors de la prova preliminar; IC: Interval de confiança.

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Table 4

Pre-test to post-test changes of the kinematic variables scores at different overspeed conditions and percentage change at V0 condition after training period.

Variable	Pre	Post	r_B (95% CI)	Qualitative assessment	Percentage change (95% CI)
V0
V5m (m/s)	8.10 ± 0.53	8.33 ± 0.57	0.71 (0, 0.95)	Large	+2.94 (0.26, 5.62)
SL (cm)	197.60 ± 13.40	198.33 ± 15.40	0.20 (-0.64, 0.82)	Small	+0.37 (-2.83, 3.56)
SR (steps·s^–1)	4.27 ± 0.24	4.25 ± 0.19	-0.07 (-0.78, 0.72)	Trivial	-0.22 (-4.49, 4.04)
CT (s)	0.11 ± 0.01	0.11 ± 0	-0.60 (-0.93, 0.27)	Large	-2.98 (-7.46, 1.49)
FT (s)	0.12 ± 0.01	0.13 ± 0.01	0.57 (-0.24, 0.91)	Large	+2.81 (-0.98, 6.61)
HD (cm)	33.18 ± 4.24	36.55 ± 4.53*	1 (1, 1)	Large	+10.51 (3.36, 17.67)
OS2
V5m (m/s)	8.31 ± 0.48	8.65 ± 0.50*	1 (1, 1)	Large
SL (cm)	205.92 ± 14.81	207.32 ± 15.83	0.14 (-0.63, 0.78)	Small
RP (pasos·s^–1)	4.28 ± 0.31	4.27 ± 0.21	-0.05 (-0.73, 0.69)	Trivial
CT (s)	0.11 ± 0	0.10 ± 0*	-0.87 (-0.98, -0.34)	Large
FT (s)	0.13 ± 0.02	0.13 ± 0.01	0.81 (0.23, 0.97)	Large
HD (cm)	34.83 ± 3.51	36.78 ± 4.40	0.81 (0.23, 0.97)	Large
SV2
V5m (m/s)	8.52 ± 0.45	9.19 ± 0.53*	1 (1, 1)	Large
SL (cm)	210.70 ± 17.46	220.37 ± 18.23	0.81 (0.23, 0.97)	Large
SR (steps·s^–1)	4.25 ± 0.29	4.23 ± 0.23	-0.05 (-0.73, 0.69)	Trivial
CT (s)	0.11 ± 0	0.10 ± 0	-0.52 (-0.90, 0.30)	Large
FT (s)	0.13 ± 0.02	0.13 ± 0.01	0.71 (5.55×10-3, 0.95)	Large
HD (cm)	37.48 ± 3.88	40.50 ± 2.80*	0.90 (0.54, 0.98)	Large
OS3
V5m (m/s)	8.78 ± 0.66	9.09 ± 0.35	0.43 (-0.41, 0.87)	Moderate
SL (cm)	219.10 ± 15.51	225.43 ± 16.74	0.52 (-0.30, 0.90)	Large
SR (steps·s^–1)	4.25 ± 0.27	4.25 ± 0.19	0.00 (-0.75, 0.75)	Trivial
CT (s)	0.11 ± 0	0.10 ± 0	-0.71 (-0.95, -5.55×10-3)	Large
FT (s)	0.13 ± 0.01	0.13 ± 0.01	0.52 (-0.30, 0.90)	Large
HD (cm)	38.78 ± 4.21	41.53 ± 3.67*	1 (1, 1)	Large
Note. Values are presented as mean ± standard deviation. V0: No overspeed load; OS: overspeed load (1: 2 kg; 2: 4 kg; 3: 5.25 kg); V5m: Mean velocity between 40-m and 45-m from a flying start; SL: Step length; SR: Step rate; CT: Contact time; FT: Flight time; HD: Horizontal distance between the first contact point and the vertical projection of center of masses. r_(B): matched rank biserial correlation effect size. *: p ≤ .05 different to pre-test values; CI: Confidence interval.

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Tabla 4

Cambios entre la prueba preliminar y la posterior de las puntuaciones de las variables cinemáticas en diferentes condiciones de supervelocidad y cambio porcentual en la condición V0 tras el periodo de entrenamiento.

Variable	Preliminar	Posterior	r_B (IC 95 %)	Evaluación cualitativa	Variación porcentual (IC 95 %)
V0
V5m (m/s)	8.10 ± 0.53	8.33 ± 0.57	0.71 (0, 0.95)	Grande	+2.94 (0.26, 5.62)
LP (cm)	197.60 ± 13.40	198.33 ± 15.40	0.20 (-0.64, 0.82)	Pequeño	+0.37 (-2.83, 3.56)
RP (pasos·s^–1)	4.27 ± 0.24	4.25 ± 0.19	-0.07 (-0.78, 0.72)	Insignificante	-0.22 (-4.49, 4.04)
TC (s)	0.11 ± 0.01	0.11 ± 0	-0.60 (-0.93, 0.27)	Grande	-2.98 (-7.46, 1.49)
TV (s)	0.12 ± 0.01	0.13 ± 0.01	0.57 (-0.24, 0.91)	Grande	+2.81 (-0.98, 6.61)
DH (cm)	33.18 ± 4.24	36.55 ± 4.53*	1 (1, 1)	Grande	+10.51 (3.36, 17.67)
SV1
V5m (m/s)	8.31 ± 0.48	8.65 ± 0.50*	1 (1, 1)	Grande
LP (cm)	205.92 ± 14.81	207.32 ± 15.83	0.14 (-0.63, 0.78)	Pequeño
RP (pasos·s^–1)	4.28 ± 0.31	4.27 ± 0.21	-0.05 (-0.73, 0.69)	Insignificante
TC (s)	0.11 ± 0	0.10 ± 0*	-0.87 (-0.98, -0.34)	Grande
TV (s)	0.13 ± 0.02	0.13 ± 0.01	0.81 (0.23, 0.97)	Grande
DH (cm)	34.83 ± 3.51	36.78 ± 4.40	0.81 (0.23, 0.97)	Grande
SV2
V5m (m/s)	8.52 ± 0.45	9.19 ± 0.53*	1 (1, 1)	Grande
LP (cm)	210.70 ± 17.46	220.37 ± 18.23	0.81 (0.23, 0.97)	Grande
RP (pasos·s^–1)	4.25 ± 0.29	4.23 ± 0.23	-0.05 (-0.73, 0.69)	Insignificante
TC (s)	0.11 ± 0	0.10 ± 0	-0.52 (-0.90, 0.30)	Grande
TV (s)	0.13 ± 0.02	0.13 ± 0.01	0.71 (5.55×10-3, 0.95)	Grande
DH (cm)	37.48 ± 3.88	40.50 ± 2.80*	0.90 (0.54, 0.98)	Grande
SV3
V5m (m/s)	8.78 ± 0.66	9.09 ± 0.35	0.43 (-0.41, 0.87)	Moderado
LP (cm)	219.10 ± 15.51	225.43 ± 16.74	0.52 (-0.30, 0.90)	Grande
RP (pasos·s^–1)	4.25 ± 0.27	4.25 ± 0.19	0.00 (-0.75, 0.75)	Insignificante
TC (s)	0.11 ± 0	0.10 ± 0	-0.71 (-0.95, -5.55×10-3)	Grande
TV (s)	0.13 ± 0.01	0.13 ± 0.01	0.52 (-0.30, 0.90)	Grande
DH (cm)	38.78 ± 4.21	41.53 ± 3.67*	1 (1, 1)	Grande
Nota. Los valores se presentan como media ± desviación típica. V0: Sin carga de supervelocidad; SV: carga de supervelocidad (1: 2 kg; 2: 4 kg; 3: 5.25 kg); V5m: Velocidad media entre 40 m y 45 m desde una salida lanzada; LP: Longitud del paso; RP: Ritmo de paso; TC: Tiempo de contacto; TV: Tiempo de vuelo; DH: Distancia horizontal entre el primer punto de contacto y la proyección vertical del centro de masas. r_(B): Tamaño del efecto con correlación biserial por rangos emparejados. *: p ≤ .05 diferente a los valores de la prueba preliminar; IC: Intervalo de confianza.

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