Influence of Adding Single-Joint Exercise to a Multijoint Resistance Training Program in Untrained Young Women
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Matheus Barbalho [1] ; Paulo Gentil ; Rodolfo de Azevedo Raiol ; James P. Fisher ; James Steele ; Victor Silveira Coswig
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[1] Universidade Federal de Goiás
Universidade Federal de Goiás
Brasil
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- Localización: Journal of strength and conditioning research: the research journal of the NSCA, ISSN 1064-8011, Vol. 34, Nº. 8, 2020, págs. 2214-2219
- Idioma: inglés
- Texto completo no disponible (Saber más ...)
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Resumen
The aim of the present study was to investigate the effects of adding single-joint (SJ) exercises to a multijoint (MJ) resistance training (RT) program on muscle strength and anthropometric measures of young women. Twenty untrained women were divided into a group that performed only MJ exercises or a group that performed both SJ and MJ exercises (MJ + SJ). Before and after 8 weeks of training, the participants were tested for 10 repetition maximum (10RM). Flexed arm circumference and triceps and biceps skinfold thickness were also measured. Both groups significantly decreased biceps (-3.60% for MJ and -3.55% for MJ + SJ) and triceps skinfold (-3.05% for MJ and -2.98% for MJ + SJ), with no significant difference between them. Flexed arm circumference significantly increased in both groups; however, increases in MJ + SJ (4.39%) were significantly greater than MJ (3.50%). Increases in 10RM load in elbow extension (28.2% for MJ and 28.0% for MJ + SJ), elbow flexion (29.8% for MJ and 28.7% for MJ + SJ), and knee extension (26.92% for MJ and 23.86% for MJ + SJ) were all significant and not different between groups. The results showed that adding SJ exercises to an MJ RT program resulted in no additional benefits in muscle performance, whilst differences in flexed arm circumference were small, but significant, in untrained women.
