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Power production during bench press with different ranges of motion on stable and unstable surfaces

100%

Zemková E., Jeleň M., Ollé G., Vilman T., Hamar D.

Human Movement

2013

vol. 14

issue 4

328-333

Purpose. The study compared power during concentric-only and countermovement (CM) bench press with different ranges of motion (ROM) on a stable and unstable surface. Methods. A group of 22 fit men performed three repetitions of 1) full ROM concentric-only bench press, 2) full ROM CM bench press, 3) half ROM concentric-only bench press, and 4) half ROM CM bench press, on a bench (stable) and Swiss ball (unstable) at 60% 1RM. The FiTRO Dyne Premium system was used to monitor force and velocity and calculate power. Mean values of power during the acceleration and the entire concentric phases were analyzed. Results. No significant differences were found in mean power during concentric-only bench press on the bench and Swiss ball performed at half ROM and full ROM. Likewise, mean power during the concentric phase of half-range CM bench press on the bench and Swiss ball did not differ significantly. However, power values during full-range CM bench press were significantly higher on the bench than on Swiss ball. These differences were even more pronounced for mean power during the acceleration phase of full-range CM bench press on the bench compared with the Swiss ball. Contrary to this, these values did not differ significantly when the barbell was lifted during half ROM bench press on the bench and Swiss ball. Conclusions. Power was significantly lower during full-range CM bench press on the Swiss ball than on the bench, however, values did not differ significantly during stable and unstable half-range CM bench press.

Efficacy of Exercise Protocols on Balance in Badminton Players -A Systematic Review & Meta-Analysis

75%

Indora N. K., Manoj M., Jaspreet K.

Central European Journal of Sport Sciences and Medicine

2022

vol. 40

61-76

Objective. the goal of this “systematic review” and meta-analysis is to find out the efficacy of exercise regimes on balance in badminton players. Study design. Systematic review and meta-analysis. data Source. Pub Med, “Cochrane database (Cochrane Central register of controlled Trials)”, google Scholar, Springer, and DoAJ. Eligibility criteria. limits were applied to database searches to identify papers published in English and only human studies were included. results. result of Meta – analysis was statistically significant in “anterior component of Y-balance test” (MD = 2.39, 95% ci = 1.90, 2.89; “p ≤ 0.00001”) with low heterogeneity (i² = 0%, p < 0.41). There was statistically significant improvement in postero-medial component of y- balance (MD = 2.87, 95% ci = 0.55, 5.19; p ≤ 0.02) with “moderate heterogeneity” (i² = 39%, p < 0.19). result showed statistically significant improvement in postero-lateral component of y- balance test (MD = 3.09, 95% ci = 0.64, 5.65; p ≤ 0.02) with “moderate heterogeneity (i² = 38%, p < 0.20)”. There was “statistically significant “improvement in overall balance of y-balance test in “experimental group as compared to control group (MD = 8.49, 95% ci = 4.62,12.36; p ≤ 0.0001) with low heterogeneity (i² = 0%, P < 0.47)”. Conclusion. this systematic and meta-analysis concluded that various exercise protocols may result in improvement in the balance of badminton players. PrOSPErO registration number: crD42020193620.

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1 Central European Journal of Sport Sciences and Medicine

1 Human Movement

1 2022

1 2013

1 Hamar D.

1 Indora N. K.

1 Jaspreet K.

1 Jeleň M.

1 Manoj M.

1 Ollé G.

1 Vilman T.

1 Zemková E.

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Power production during bench press with different ranges of motion on stable and unstable surfaces

Efficacy of Exercise Protocols on Balance in Badminton Players -A Systematic Review & Meta-Analysis