Static or dynamic stretching program does not change the acute responses of neuromuscular and functional performance in healthy subjects: a single-blind randomized controlled trial

Barbosa, Germanna Medeiros; Dantas, Glauko André Figueirêdo; Silva, Bianca Rodrigues; Souza, Túlio Oliveira; Vieira, Wouber Hérickson Brito

doi:10.1016/j.rbce.2018.06.002

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Original articles • Rev. Bras. Ciênc. Esporte 40 (4) • Oct-Dec 2018 • https://doi.org/10.1016/j.rbce.2018.06.002 copy

Static or dynamic stretching program does not change the acute responses of neuromuscular and functional performance in healthy subjects: a single-blind randomized controlled trial

Programa de alongamento estático ou dinâmico não altera as respostas agudas do desempenho neuromuscular e funcional de sujeitos saudáveis: ensaio controlado randomizado e cego

Un programa de estiramientos estáticos o dinámicos no modifica las respuestas agudas del rendimiento neuromuscular y funcional en individuos sanos: ensayo ciego controlado de distribución aleatoria

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The purpose of this study was to compare the effects of a single hamstring static or dynamic stretching session and a 10-session stretching program on the range of motion, neuromuscular performance and functional performance of healthy subjects. Forty-five, healthy, active men were divided into three groups: control; static stretching and dynamic stretching. There were no significant differences in ratings between the experimental and control groups for any of the variables (p > 0.05). It can be concluded that neither a single session of hamstring static or dynamic stretching nor a 10-session stretching program affected range of motion, neuromuscular or functional performance.

KEYWORDS
Joint range of motion; Evaluation; Athletic performance; Muscle strength

	Groups
	Control (n = 15)	Static (n = 15)	Dynamic (n = 15)
Age (years)	21.27 ± 2.8	23.07 ± 3.5	21.47 ± 3.0
Body mass (kg)	74.38 ± 9.2	68.07 ± 9.0	72.06 ± 8.2
Height (m)	1.76 ± 0.1	1.72 ± 0.1	1.74 ± 0.1
BMI (kg/m²)	23.94 ± 1.8	22.98 ± 2.7	23.68 ± 1.3

Variables	Pre-1st	Post-1st	Post-10th	48 h	Comparisons^a a Group × time interaction values (F-test, p value, Cohen's d coefficient and power).
ROM (º)					Interaction (F _6,126 = 2.08; p = 0.06; d = 0.31; power = 0.73)
Cg	139.33 ± 8.02	136.17 ± 8.16	138.76 ± 9.69	139.36 ± 10.74
SSg	138.06 ± 11.24	139.74 ± 13.79	142.26 ± 13.38	140.18 ± 14.32
DSg	135.08 ± 9.96	133.77 ± 9.89	140.52 ± 8.32	139.78 ± 10.30
ML (ms)					Interaction (F _6,126 = 1.07; p = 0.39; d = 0.22; power = 0.40)
Cg	48.00 ± 29.80	48.67 ± 24.74	40.67 ± 28.40	35.33 ± 27.22
SSg	46.67 ± 13.45	48.00 ± 24.55	42.00 ± 24.55	48.67 ± 18.84
DSg	47.33 ± 20.16	44.00 ± 8.28	50.67 ± 23.44	36.00 ± 17.64
pPT/BM(Nm/kg)					Interaction (F _6,126 = 0.35; p = 0.91; d = 0.13; power = 0.14)
Cg	48.01 ± 7.04	50.62 ± 7.45	48.44 ± 9.64	48.53 ± 6.07
SSg	57.53 ± 14.67	59.33 ± 16.90	56.22 ± 14.50	54.82 ± 16.53
DSg	51.35 ± 11.23	53.14 ± 9.85	52.90 ± 8.85	51.02 ± 6.73
FI _Ext (%)					Interaction (F _6,120 = 1.02; p = 0.41; d = 0.22; power = 0.39)
Cg	45.54 ± 3.55	44.78 ± 3.72	44.16 ± 4.17	44.68 ± 5.05
SSg	47.71 ± 4.75	45.42 ± 5.07	46.02 ± 3.87	45.74 ± 3.69
DSg	47.78 ± 5.37	47.10 ± 2.67	44.50 ± 4.73	44.54 ± 2.40
FI _FLEX (%)					Interaction (F _6,126 = 0.45; p = 0.84; d = 0.14; power = 0.18)
Cg	47.33 ± 6.94	45.45 ± 6.03	43.06 ± 6.28	42.96 ± 4.70
SSg	49.70 ± 7.25	46.75 ± 11.08	47.58 ± 7.28	45.61 ± 8.15
DSg	47.32 ± 7.71	45.98 ± 4.44	45.33 ± 5.37	44.01 ± 3.61
VJ/BM (cm/kg)					Interaction (F _6,126 = 1.22; p = 0.30; d = 0.24; power = 0.46)
Cg	0.49 ± 0.11	0.50 ± 0.10	0.49 ± 0.09	0.50 ± 0.10
SSg	0.56 ± 0.11	0.57 ± 0.11	0.56 ± 0.10	0.56 ± 0.11
DSg	0.51 ± 0.08	0.51 ± 0.08	0.53 ± 0.07	0.52 ± 0.07

Groups	Sessions
	1	2	3	4	5	6	7	8	9	10
SSg	60.4 ± 22.3	56.0 ± 17.6	59.9 ± 18.2	52.9 ± 18.6	53.9 ± 21.3	54.0 ± 20.3	52.2 ± 21.2	52.7 ± 22,3	54.7 ± 25.1	54.1 ± 24.8
DSg	62.2 ± 25.6	62.5 ± 25.5	59.3 ± 25.4	53.1 ± 28.0	60.5 ± 22.3	61.4 ± 25.0	62.4 ± 20.8	57.7 ± 22.6	54.1 ± 22.2	59.0 ± 26.7
Effect size^a a Cohen's d coefficient between groups for each stretching session.	d = 0.07	d = 0.25	d = 0.02	d = 0.01	d = 0.29	d = 0.29	d = 0.49	d = 0.22	d = 0.02	d = 0.19

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[1] Conflicts of interest

The authors declare no conflicts of interest.