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Comparison of Cross-Education and Global Training Effects in Adults and Youth After Unilateral Strength Training.
Chaouachi, Anis; Ben Othman, Aymen; Chaouachi, Mehdi; Hechmi, Abderraouf; Farthing, Jonathan P; Granacher, Urs; Behm, David G.
Afiliación
  • Chaouachi A; Tunisian Research Laboratory "Sport Performance Optimisation," National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia.
  • Ben Othman A; AUT University, Sports Performance Research Institute New Zealand, Auckland, New Zealand.
  • Chaouachi M; Tunisian Research Laboratory "Sport Performance Optimisation," National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia.
  • Hechmi A; Tunisian Research Laboratory "Sport Performance Optimisation," National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia.
  • Farthing JP; Movement Sport and Health Sciences Laboratory, University of Rennes 2-ENS Cachan, Rennes, France.
  • Granacher U; Tunisian Research Laboratory "Sport Performance Optimisation," National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia.
  • Behm DG; College of Kinesiology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
J Strength Cond Res ; 36(8): 2121-2131, 2022 Aug 01.
Article en En | MEDLINE | ID: mdl-32833889
ABSTRACT: Chaouachi, A, Ben Othman, A, Chaouachi, M, Hechmi, A, Farthing, JP, Granacher, U, and Behm, DG. Comparison of cross-education and global training effects in adults and youth after unilateral strength training. J Strength Cond Res 36(8): 2121-2131, 2022-Youth strength training research examining contralateral, homologous (cross-education), and heterologous (global training) effects after unilateral training have provided mixed results and the relationship to adults has not been compared. The objective was to compare adult and youth cross-education and global training effects on dominant and nondominant limb testing. Initially, 15 men and 15 prepubertal boys volunteered for each unilateral chest press (CP), handgrip training, and control groups ( n = 89). Individuals trained their dominant limb 3 times per week for 8 weeks and had their dominant and nondominant limbs tested for CP and leg press 1 repetition maximum (1RM), handgrip, knee extension and flexion, and elbow extension and flexion maximum voluntary isometric contractions (MVICs). Adult CP training gains were significantly greater than youth with lower-body testing ( p = 0.002-0.06), whereas youth CP training gains exceeded adults with upper-body tests ( p = 0.03-0.07). Training specificity was evident with greater CP 1RM increases with CP vs. handgrip training for both youth ( p < 0.0001) and adults ( p < 0.0001). Handgrip training elicited greater gains in handgrip MVICs compared with other strength tests ( p < 0.0001). In conclusion, only contralateral CP 1RM showed a training advantage for unilateral CP over unilateral handgrip training. Adults showed greater gains with lower-body testing, whereas youth showed greater gains with upper-body testing.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Entrenamiento de Fuerza Límite: Adolescent / Adult / Humans / Male Idioma: En Revista: J Strength Cond Res Asunto de la revista: FISIOLOGIA Año: 2022 Tipo del documento: Article País de afiliación: Túnez Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Entrenamiento de Fuerza Límite: Adolescent / Adult / Humans / Male Idioma: En Revista: J Strength Cond Res Asunto de la revista: FISIOLOGIA Año: 2022 Tipo del documento: Article País de afiliación: Túnez Pais de publicación: Estados Unidos