Stretch breaks in the work setting improve flexibility and grip strength and reduce musculoskeletal complaints

Martins, Patrícia Fátima de Oliveira; Zicolau, Evelin Alvares Aranda; Cury-Boaventura, Maria Fernanda

doi:10.1590/S1980-65742015000300007

Patrícia Fátima de Oliveira Martins

Universidade Cruzeiro do Sul, São Paulo, Brazil

Evelin Alvares Aranda Zicolau

Universidade Cruzeiro do Sul, São Paulo, Brazil

Maria Fernanda Cury-Boaventura

Universidade Cruzeiro do Sul, São Paulo, Brazil

Corresponding authorMaria Fernanda Cury Boaventura, Institute of Physical Activity and Sports Sciences, Post-Graduate Program in Human Movement Sciences, Cruzeiro do Sul University, Rua Galvão Bueno, 868, CEP 01506-000, São Paulo, SP, Brazil. Phone: 55 - 11 - 33853103. Fax: 55 - 11 - 3385-3003. E-mail: maria.boaventura@cruzeirodosul.edu.br

Authors' note Patrícia Fátima de Oliveira Martins, Evelin Alvares Aranda Zicolau, and Maria Fernanda Cury-Boaventura are affiliated with the Instituto de Ciências da Atividade Física e Esporte, Programa de Pós Graduação em Ciências do Movimento Humano, Universidade Cruzeiro do Sul, São Paulo, Brazil.

Figures (2)
Tables (8)

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Figure 1
Representative exercises of SBP in AW and SW: ankle (A), hip and knee (B), hip, trunk and knee (C), knee (D), neck/cervical (E), wrist and forearm (F), fingers (G), wrist and hands (H), shoulder and neck (I), shoulder (J), shoulder and elbow (K) and trunk and shoulder (L).

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Figure 2
Representative exercises of SBP in AW and SW using resistance bands: shoulder (A), shoulder and trunk (B), hip (C), knee (D), elbow (E), wrist and forearm (F), fingers and wrist (G) and neck (H).

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Table 1
Demographic characteristics before and after the 6-month stretch break program.

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Table 2
Metabolic equivalents per week before and after the 6-month stretch break program.

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Table 3
Number of musculoskeletal symptoms reported by the SW before and after the 6-month stretch break program.

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Table 4
Number of musculoskeletal symptoms reported by the AW before and after the 6-month stretch break program.

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Table 5
Flexibility before and after the 6-month stretch break program.

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Table 6
Grip strength before and after the 6-month stretch break program.

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First and Third Week Monday Wednesday Friday (#) Upper Limbs Lower Limbs Upper and Lower Limbs Shoulder flexion, extension, adduction and abduction Deltoid m. Biceps brachii m. Pectoralis major and minor m. Supraspinatus m. Trapezius m. Hip flexion, extension, adduction, abduction and rotation adductors m. biceps femoris m. gluteus minimus, maximus and medius m. iliacus m. psoas m. rectos femoris m. sartorius m. vastus lateralis, intermedius and medialis m. Elbow flexion and extension biceps brachii m. brachialis m. Brachioradialis m. Triceps brachii m. Neck flexion, extension and rotation and lateral flexion Sternocleidomastoid m. long neck m. semispinalis capitis m. splenius capitis m. Knee flexion, extension and rotation biceps femoris m. gastrocnemius m. gracilis m. rectos femoris m. sartorius m. vastus lateralis, intermedius and medialis m. Forearm, wrist flexion, extension, pronation and supination flexor carpi radialis m. pronator m. supinator m. extensor carpi radialis longus m. Trunk flexion, extension and rotation and lateral flexion rectos abdominis m. internal and external oblique m. semispinalis m. Rotators m. Iliocostal m. Ankle and Foot plantar flexion, dorsiflexion, inversion e eversion Fibularis m. Gastrocnemius m. Plantaris m. Anterior tibial m. Hands and fingers abduction, adduction, flexion, extension flexor carpi radialis m. flexor digitorum profundus and superficialis m. extensor digitorum m. abductor pollicis longus m. adductor pollicis m.

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Second and Fourth Week Monday Wednesday Friday (#) Upper Limbs Lower Limbs Upper and Lower Limbs Elbow flexion and extension biceps brachii m. brachialis m. Brachioradialis m. Triceps brachii m. Hip flexion, extension, adduction, abduction and rotation adductors m. biceps femoris m. gluteus minimus, maximus e medius m. iliacus m. psoas m. rectos femoris m. sartorius m. vastus lateralis, intermedius and medialis m. Trunk flexion, extension and rotation and lateral flexion rectos abdominais m. internal and external oblique m. semispinalis m. Rotators m. Iliocostal m. Forearm and wrist flexion, extension, pronation and supination flexor carpi radialis m. pronator m. supinator m. extensor carpi radialis longus m. Ankle and Foot plantar flexion, dorsiflexion, inversion and eversion Fibularis m. Gastrocnemius m. Plantaris m. Anterior tibial m. Hip flexion, extension, aduction, abduction and rotation adductors m. biceps femoris m. gluteus minimus, maximus e medius iliacus m. psoas m. rectos femoris m. sartorius m. vastus lateralis, intermedius and medialis m. Hands and fingers (##) abduction, adduction, flexion, extension flexor carpi radialis m. flexor digitorum profundus and superficialis m. extensor digitorum m. abductor pollicis longus m. adductor pollicis m. #
##

	Before	After	Before	After
	SW		AW
Volunteers	16		10
Age (years)	28 ± 2	28 ± 2	30 ± 3	30 ± 3
Weight (Kg)	77 ± 4	77 ± 3	79 ± 4	79 ± 4
Height (cm)	175 ± 2	175 ± 2	179 ± 2	179 ± 2
BMI (kg/m²⁾	25 ± 1	25.0 ± 1	25 ± 1	25 ± 1

	Before	After	p	Before	After	p
	SW (MET/week)		p	AW (MET/week)		p
Walking	587 ± 80	664 ± 124	.57	552 ± 113	472 ± 88	.56
Moderate Activity	203 ± 95	293 ± 82	.42	328 ± 101	588 ± 213	.24
Vigorous Activity	487 ± 210	747 ± 220	.29	160 ± 84	456 ± 282	.38
Total Activities	1278 ± 310	1706 ± 378	.29	1040 ± 231	1352 ± 395	.26

Upper Limbs	Before SBP	After SBP	p
Musculoskeletal symptoms 12 m	19	15	.13
Prevented from performing activities	0	1	.33
Sought care from a health professional	4	0	.08
Musculoskeletal symptoms 7 d	11	3*	.02
Lower Limbs	Before SBP	After SBP
Musculoskeletal symptoms 12 m	11	10	.90
Prevented from performing activities	4	2	.75
Sought care from a health professional	3	2	.83
Musculoskeletal symptoms 7 d	9	6	.33
Total	Before SBP	After SBP
Musculoskeletal symptoms 12 m	30	25	.33
Prevented from performing activities	4	3	.93
Sought care from a health professional	7	2	.25
Musculoskeletal symptoms 7 d	20	9*	.04

Upper Limbs	Before SBP	After SBP	p
Musculoskeletal symptoms 12 m	43	23*	.02
Prevented from performing activities	4	8	.18
Sought care from a health professional	5	10	.09
Musculoskeletal symptoms 7 d	5	3	.34
Lower Limbs	Before SBP	After SBP
Musculoskeletal symptoms 12 m	7	7	.77
Prevented from performing activities	1	0	.34
Sought care from a health professiona	1	2	.59
Musculoskeletal symptoms 7 d	1	0	.34
Total	Before SBP	After SBP
Musculoskeletal symptoms 12 m	50	30	.10
Prevented from performing activities	5	6	.34
Sought care from a health professional	6	12	.35
Musculoskeletal symptoms 7 d	6	13	.34

	Before	After	p	Before	After	p
	SW			AW
Volunteers	16			10
SRT (cm)	25 ± 3	26 ± 3	.17	16.4 ± 3	15.9 ± 3	.65
R Cervical (degrees)	50 ± 3	55 ± 2*	.03	45 ± 3	51 ± 4*	.03
L Cervical (degrees)	48 ± 2	52 ± 2*	.02	44 ± 2	49 ± 2*	.05
R Shoulder (degrees)	152 ± 3	149 ± 3	.49	149 ± 4	166 ± 3*	.005
L Shoulder (degrees)	149 ± 3	156 ± 2*	.03	149 ± 3	165 ± 3*	.003
R Trunk (degrees)	43 ± 2	50 ± 2*	.01	41 ± 2	46 ± 1	.12
L Trunk (degrees)	40 ± 1#	49 ± 2*	.01	42 ± 2	45 ± 2	.12

	Before	After	p	Before	After	p
	SW					AW
Volunteers	16					10
Dominant (Kg)	40 ± 1	40 ± 1	.65	34 ± 2	40 ± 3 *	.02
Non-dominant (Kg)	37 ± 1 #	37 ±1 #	.81	30 ± 2 #	36 ± 2 *	.001
p	.01	.03		.001	.11

First and Third Week
Monday	Wednesday	Friday (#)
Upper Limbs	Lower Limbs	Upper and Lower Limbs
Shoulder flexion, extension, adduction and abduction Deltoid m. Biceps brachii m. Pectoralis major and minor m. Supraspinatus m. Trapezius m.	Hip flexion, extension, adduction, abduction and rotation adductors m. biceps femoris m. gluteus minimus, maximus and medius m. iliacus m. psoas m. rectos femoris m. sartorius m. vastus lateralis, intermedius and medialis m.	Elbow flexion and extension biceps brachii m. brachialis m. Brachioradialis m. Triceps brachii m.
Neck flexion, extension and rotation and lateral flexion Sternocleidomastoid m. long neck m. semispinalis capitis m. splenius capitis m.	Knee flexion, extension and rotation biceps femoris m. gastrocnemius m. gracilis m. rectos femoris m. sartorius m. vastus lateralis, intermedius and medialis m.	Forearm, wrist flexion, extension, pronation and supination flexor carpi radialis m. pronator m. supinator m. extensor carpi radialis longus m.
Trunk flexion, extension and rotation and lateral flexion rectos abdominis m. internal and external oblique m. semispinalis m. Rotators m. Iliocostal m.		Ankle and Foot plantar flexion, dorsiflexion, inversion e eversion Fibularis m. Gastrocnemius m. Plantaris m. Anterior tibial m.
Hands and fingers abduction, adduction, flexion, extension flexor carpi radialis m. flexor digitorum profundus and superficialis m. extensor digitorum m. abductor pollicis longus m. adductor pollicis m.

Second and Fourth Week
Monday	Wednesday	Friday (#)
Upper Limbs	Lower Limbs	Upper and Lower Limbs
Elbow flexion and extension biceps brachii m. brachialis m. Brachioradialis m. Triceps brachii m.	Hip flexion, extension, adduction, abduction and rotation adductors m. biceps femoris m. gluteus minimus, maximus e medius m. iliacus m. psoas m. rectos femoris m. sartorius m. vastus lateralis, intermedius and medialis m.	Trunk flexion, extension and rotation and lateral flexion rectos abdominais m. internal and external oblique m. semispinalis m. Rotators m. Iliocostal m.
Forearm and wrist flexion, extension, pronation and supination flexor carpi radialis m. pronator m. supinator m. extensor carpi radialis longus m.	Ankle and Foot plantar flexion, dorsiflexion, inversion and eversion Fibularis m. Gastrocnemius m. Plantaris m. Anterior tibial m.	Hip flexion, extension, aduction, abduction and rotation adductors m. biceps femoris m. gluteus minimus, maximus e medius iliacus m. psoas m. rectos femoris m. sartorius m. vastus lateralis, intermedius and medialis m.
Hands and fingers (##) abduction, adduction, flexion, extension flexor carpi radialis m. flexor digitorum profundus and superficialis m. extensor digitorum m. abductor pollicis longus m. adductor pollicis m.

[1] Corresponding authorMaria Fernanda Cury Boaventura, Institute of Physical Activity and Sports Sciences, Post-Graduate Program in Human Movement Sciences, Cruzeiro do Sul University, Rua Galvão Bueno, 868, CEP 01506-000, São Paulo, SP, Brazil. Phone: 55 - 11 - 33853103. Fax: 55 - 11 - 3385-3003. E-mail: maria.boaventura@cruzeirodosul.edu.br

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Stretch breaks in the work setting improve flexibility and grip strength and reduce musculoskeletal complaints

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Abstract