Relation between block spacing and forces applied to starting blocks by a sprinter

Shinohara, Yasuo; Maeda, Masato

doi:10.1016/j.proeng.2011.05.066

Cited by 2 publications

References 4 publications

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Validity of a portable force platform for assessing biomechanical parameters in three different tasks

Silveira

Stergiou

Carpes

et al. 2016

Sports Biomechanics

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The aim of this study was to determine the precision and accuracy of the vertical and anterior-posterior force components of the portable PASCO PS-2142 force plate. Impulse, peak force, and time to peak force were assessed and compared to a gold standard force plate in three different tasks: vertical jump, forward jump, and sprint start. Two healthy male participants performed ten trials for each task, resulting in 60 trials. Data analyses revealed good precision and accuracy for the vertical component of the portable force plate, with relative bias and root mean square (RMS) error values nearly the same in all tasks for the impulse, time to peak force, and peak force parameters. Precision and accuracy of the anterior-posterior component were lower for the impulse and time to peak force, with relative bias and RMS error values nearly the same between tasks. Despite the lower precision and accuracy of the anterior-posterior component of the portable force plate, these errors were systematic, reflecting a good repeatability of the measure. In addition, all variables presented good agreement between the portable and gold standard platforms. Our results provide a good perspective for using the aforementioned portable force plate in sports and clinical biomechanics.

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Validity of a portable force platform for assessing biomechanical parameters in three different tasks

Silveira

Stergiou

Carpes

et al. 2016

Sports Biomechanics

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Influence of the model's degree of freedom on human body dynamics identification

Maita

Venture

2013

2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

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In fields of sports and rehabilitation, opportunities of using motion analysis of the human body have dramatically increased. To analyze the motion dynamics, a number of subject specific parameters and measurements are required. For example the contact forces measurement and the inertial parameters of each segment of the human body are necessary to compute the joint torques. In this study, in order to perform accurate dynamic analysis we propose to identify the inertial parameters of the human body and to evaluate the influence of the model's number of degrees of freedom (DoF) on the results. We use a method to estimate the inertial parameters without torque sensor, using generalized coordinates of the base link, joint angles and external forces information. We consider a 34DoF model, a 58DoF model, as well as the case when the human is manipulating a tool (here a tennis racket). We compare the obtained in results in terms of contact force estimation.

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Relation between block spacing and forces applied to starting blocks by a sprinter

Cited by 2 publications

References 4 publications

Validity of a portable force platform for assessing biomechanical parameters in three different tasks

Validity of a portable force platform for assessing biomechanical parameters in three different tasks

Influence of the model's degree of freedom on human body dynamics identification

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