The influence of adding single joint exercise to a multi-joint resistance training program in untrained young women

Matheus S. M. Barbalho, Paulo Gentil, Rodolfo A. Raiol, James Fisher, James Steele, Victor S Coswig

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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 benefits in muscle performance or anthropometric changes in untrained women.
Original languageEnglish
JournalJournal of Strength and Conditioning Research
Early online date15 May 2018
Publication statusE-pub ahead of print - 15 May 2018


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