Ahlan Benezar Lima, Ewertton de Souza Bezerra, Lucas Bet da Rosa Orssatto, Ericles de Paiva Vieira, Luhan Ammy Andrade Picanço, João Otacilio Libardoni dos Santos
언어
영어(ENG)
URL
https://www.earticle.net/Article/A336645
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초록
영어
Functional resistance training can increase strength, knee torque ratio, and functional performance in elderly women. The aim of the present study was to understand the effects of closed kinetic chain exercises with constant load on muscular strength, the knee torque conventional ratio (hamstring:quadriceps – H:Q), and functional capacity in the elderly. Nine untrained healthy elderly women participated in experimental resistance training. Ten-repetition maximum (10RM) for the deadlift, isokinetic maximum voluntary concentric contraction, and functional capacity were assessed before and after the 7-week resistance-training program. Magnitude based inference analysis was used to examine the differences in muscle strength and functional performance. Therefore, the smallest worthwhile change was calculated and 90% confidence intervals were also determined to characterize muscle strength and functional performance. The analysis demonstrated an increase in the deadlift and knee flexor torque (60o/sec) after the experimental intervention. Furthermore, stair ascent, knee extensor torque (120o/sec), knee flexor torque (120o/sec), and knee ratio (60o/sec) also presented a positive effect in the same training period. Conversely, knee extensor torque (60o/sec), and knee ratio (120o/sec) did not show conclusive responses. In conclusion, resistance training with functional closed kinetic chain exercises and constant volume load (i.e., 65% of 1-repetition maximum) can increase deadlift 10RM, isokinetic concentric torque, the conventional H:Q ratio, and stair ascent performance in elderly women.
목차
Abstract INTRODUCTION MATERIALS AND METHODS Experimental design Subjects Physical performance tests Resistance training program Statistical analyses RESULTS DISCUSSION CONFLICT OF INTEREST ACKNOWLEDGMENTS REFERENCES
키워드
AgingIsokinetic testingConventional ratioStrength training
저자
Ahlan Benezar Lima [ Human Performance Laboratory, Faculty of Physical Education and Physiotherapy, Federal University of Amazonas, Manaus, Brazil ]
Ewertton de Souza Bezerra [ Human Performance Laboratory, Faculty of Physical Education and Physiotherapy, Federal University of Amazonas, Manaus, Brazil ]
Lucas Bet da Rosa Orssatto [ Biomechanics Laboratory, Sports Centre, Federal University of Santa Catarina, Santa Catarina, Brazil ]
Corresponding author
Ericles de Paiva Vieira [ Human Performance Laboratory, Faculty of Physical Education and Physiotherapy, Federal University of Amazonas, Manaus, Brazil ]
Luhan Ammy Andrade Picanço [ Human Performance Laboratory, Faculty of Physical Education and Physiotherapy, Federal University of Amazonas, Manaus, Brazil ]
João Otacilio Libardoni dos Santos [ Human Performance Laboratory, Faculty of Physical Education and Physiotherapy, Federal University of Amazonas, Manaus, Brazil ]