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Effects of a Functional Strength Training Program on Movement Quality and Fitness Performance among Girls Aged 12-13.

Liao Ting; Li, Lun; Wang, Yong “Tai”
Journal of Strength & Conditioning Research: Post Acceptance: August 21, 2017
doi: 10.1519/JSC.0000000000002190
Original Research: PDF Only

The purpose of this study is to evaluate the effects of a 12-week intervention of functional strength training (FST) on movement quality and fitness performance among 12-13 yrs old untrained girls. One hundred and forty-four girls (age 12.47+/-0.57 yrs) were randomly assigned to FST group and traditional strength training (TST) group. FST group underwent 10 functional movement corrective exercises in the first 6 weeks and 10 functional strength promotion exercises in the following 6 weeks, while TST group did 10 TST exercises with progressive intensity in 12 weeks. The training was 3 times/week and 45 min/session for both groups. The subjects were tested at the beginning and the end of the intervention on movement quality and fitness performance variables. To compare two groups pre vs. post tests, analysis of variance with mixed model ANOVA, paired t test and independent t test and 2 x 2 contingency chi-squared analysis were used. The main time by group interaction effect of the total score of Functional Movement Screen (FMS) showed FST group significantly better than TST group explicitly (p<.05). Differences between groups were detected for individual components in FMS test, injury-related problem items of FMS and fitness performance variables. Although TST group increased muscular strength significantly (p<.05), FST group has significant improvements on more variables such as deep squat and trunk stability, muscular strength, flexibility and power (p<.05). In comparison with TST program, FST program may be more effective on the improvements of movement quality, muscular strength, flexibility and power among untrained healthy girls aged 12-13 years, and may result in better health promotion and injury prevention as well.

Copyright (C) 2017 by the National Strength & Conditioning Association.