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. 2009 Nov;23(8):2287-94.
doi: 10.1519/JSC.0b013e3181b8d42a.

Effects of manual resistance training on fitness in adolescents

Sandor Dorgo  1 , George A King, Norma G Candelaria, Julia O Bader, Gregory D Brickey, Carolyn E Adams
Affiliations

Effects of manual resistance training on fitness in adolescents

Sandor Dorgo et al. J Strength Cond Res. 2009 Nov.

Abstract

Manual resistance training (MRT), an alternative to traditional resistance training, requires minimal equipment and may be effective when applied in school-based physical education (PE) classes. The purpose of this study was to document the physical changes in adolescents (n = 222) using MRT in school-based PE settings. Six fitness tests from the Fitnessgram assessment tool were selected to assess students' cardiovascular and muscular fitness, and skinfold tests were used to assess body composition. One control and 2 experimental groups were defined. The control group of students (n = 129) attended regular PE classes. One experimental group (n = 63) attended PE that was complemented by the MRT system. A second experimental group (n = 30) attended PE complemented by MRT and cardiovascular endurance training. With use of the selected Fitnessgram tests, post-test measurements were performed after 9 and 18 weeks of PE. At baseline, there were no significant differences among the 3 groups for most measures. Compared with baseline, the experimental groups improved significantly in all 6 fitness measures and showed more improvements than the control group in most fitness measures both at 9 and 18 weeks. None of the groups showed significant improvement in body composition. The results documented that an MRT-complemented PE program was effective in improving adolescents' muscular fitness. An 18-week combined MRT and cardiovascular endurance training program effectively improved cardiovascular and muscular fitness but was ineffective in improving adolescent body composition. An MRT-based exercise session requires minimal equipment and set-up and can be performed in a short period of time, and therefore it is suitable for application in regular PE settings.

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Figures

Figure 1
Figure 1
Manual Resistance Training standing biceps curl exercise demonstrated by two subjects
See this image and copyright information in PMC

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