Determination of strength exercise intensities based on the load-power-velocity relationship

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Show simple item record Jandačka, Daniel Beremlijski, Petr 2011-11-15T10:12:34Z 2011-11-15T10:12:34Z 2011
dc.identifier.citation Journal of human kinetics. 2011, vol. 28, p. 33-44. cs
dc.identifier.issn 1640-5544
dc.identifier.issn 1899-7562
dc.description.abstract The velocity of movement and applied load affect the production of mechanical power output and subsequently the extent of the adaptation stimulus in strength exercises. We do not know of any known function describing the relationship of power and velocity and load in the bench press exercise. The objective of the study is to find a function modeling of the relationship of relative velocity, relative load and mechanical power output for the bench press exercise and to determine the intensity zones of the exercise for specifically focused strength training of soccer players. Fifteen highly trained soccer players at the start of a competition period were studied. The subjects of study performed bench presses with the load of 0, 10, 30, 50, 70 and 90% of the predetermined one repetition maximum with maximum possible speed of movement. The mean measured power and velocity for each load (kg) were used to develop a multiple linear regression function which describes the quadratic relationship between the ratio of power (W) to maximum power (W) and the ratios of the load (kg) to one repetition maximum (kg) and the velocity (m•s-1) to maximal velocity (m•s-1). The quadratic function of two variables that modeled the searched relationship explained 74% of measured values in the acceleration phase and 75% of measured values from the entire extent of the positive power movement in the lift. The optimal load for reaching maximum power output suitable for the dynamics effort strength training was 40% of one repetition maximum, while the optimal mean velocity would be 75% of maximal velocity. Moreover, four zones: maximum power, maximum velocity, velocity-power and strength-power were determined on the basis of the regression function. cs
dc.language.iso en cs
dc.publisher Versita cs
dc.relation.ispartofseries Journal of human kinetics cs
dc.relation.uri cs
dc.subject biomechanics cs
dc.subject optimization cs
dc.subject bench press cs
dc.subject soccer cs
dc.title Determination of strength exercise intensities based on the load-power-velocity relationship cs
dc.type article cs
dc.identifier.location Není ve fondu ÚK cs
dc.identifier.doi 10.2478/v10078-011-0020-2
dc.type.status Peer-reviewed cs
dc.description.source Web of Science cs
dc.description.volume 28 cs
dc.description.issue 28 cs
dc.description.lastpage 44 cs
dc.description.firstpage 33 cs
dc.identifier.wos 000295710800004

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