Gender’s Effect on a School-Based Intervention in the Prepubertal Growth Spurt

• Autorzy: Carlos Marta , Daniel Marinho , Natalina Casanova , Teresa Fonseca , Carolina Vila-Chã , Bernardete Jorge , Mikel Izquierdo , Dulce Esteves , Mário Marques
• Języki publikacji: EN

Abstrakty

EN

Children aged 10-11 years pass through a dynamic developmental period marked by rapid changes in body size, shape, and composition, all of which are sexually dimorphic. The purpose of this study was to analyze the effects of gender on a school-based intervention in the prepubertal growth spurt. One hundred twenty-five healthy children (58 boys, 67 girls), fifth and sixth grade students from an urban public elementary school in Portugal (10.8 ± 0.4 years), were randomly assigned into two experimental groups: a strength training group (19 boys, 22 girls), and an endurance training group (21 boys, 24 girls); and a control group (18 boys, 21 girls; no training program). Training program for the two experimental groups was conducted twice a week for 8 weeks. Compared with the values at the beginning of the protocol, both strength and endurance training programs produced significant improvements (p< 0.05) in vertical and horizontal jumps, a 1 kg and 3 kg medicine ball throw, a 20 m sprint and VO2max, for both boys and girls. No significant changes were observed related to gender in training-induced strength (p> 0.05, ƞ_p^2= 0.16, Power= 0.29) and aerobic (p> 0.05, ƞ_p^2= 0.05, Power= 0.28) capacity. The results of the present study should be taken into consideration in order to optimize strength training school-based programs.

Słowa kluczowe

EN

Training program; endurance; strength; prepubescent

• Czasopismo: Journal of Human Kinetics
• Rocznik: 2014
• Tom: 43
• Numer: 1
• Strony: 159-167

Daty

wydano

2014-12-01

online

2014-12-11

Twórcy

autor

Carlos Marta

• Department of Sport Sciences, Polytechnic Institute of Guarda (IPG, Guarda, Portugal)
• Research Unit for Inland Development (UDI, Portugal).

autor

Daniel Marinho

• University of Beira Interior. Department of Sport Sciences (UBI, Covilhã, Portugal)
• Research Centre in Sports, Health and Human Development (CIDESD, Portugal).

autor

Natalina Casanova

• Department of Sport Sciences, Polytechnic Institute of Guarda (IPG, Guarda, Portugal)
• Research Unit for Inland Development (UDI, Portugal).

autor

Teresa Fonseca

• Department of Sport Sciences, Polytechnic Institute of Guarda (IPG, Guarda, Portugal)
• Research Unit for Inland Development (UDI, Portugal).

autor

Carolina Vila-Chã

• Department of Sport Sciences, Polytechnic Institute of Guarda (IPG, Guarda, Portugal)
• Research Unit for Inland Development (UDI, Portugal).

autor

Bernardete Jorge

• Department of Sport Sciences, Polytechnic Institute of Guarda (IPG, Guarda, Portugal)
• Research Unit for Inland Development (UDI, Portugal).

autor

Mikel Izquierdo

• Department of Health Sciences, Public University of Navarre (Navarre, Spain).

autor

Dulce Esteves

• University of Beira Interior. Department of Sport Sciences (UBI, Covilhã, Portugal)
• Research Centre in Sports, Health and Human Development (CIDESD, Portugal).

autor

Mário Marques

• University of Beira Interior. Department of Sport Sciences (UBI, Covilhã, Portugal),
• Research Centre in Sports, Health and Human Development (CIDESD, Portugal)
• Universidade da Beira Interior. Departamento de Ciências do Desporto. Rua Marques de Ávila e Bolama. 6201-001 Covilhã, Portugal Phone: [phone]; Fax: [phone]

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Identyfikatory

DOI

10.2478/hukin-2014-0101