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Similar Results in Force-Velocity Test in Disabled Weight Lifters and Able-Bodied Physically Fit Students

100%
Adach Z., Jaskólska A., Jaskólski A.
Journal of Human Kinetics
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2010
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vol. 23
47-53
EN
The aim of the study was (1) to evaluate the maximal power using a short-term force-velocity test in disabled weight lifters and able-bodied non-athletes subjects, and (2) to find if the parameters of the force-velocity test are related to results of the weight lifted on a bench, which is a specific sport test among disable weight lifters. The force-velocity (F-V) test was used to evaluate the maximal power (Pmax), predicted maximal resistance force (F0) and velocity (V0). The test was applied to 18 disable weight lifters and 16 physical education students. The mean values of Pmax, V0 and F0 did not differ significantly between groups. In weight lifters, the weight lifted on a bench correlated significantly with Pmax and F0.It was concluded that (1) in the same F-V test condition (without lower limb support), the results obtained by the able-bodied, non-trained, but physically fit students, do not differ from that of the wheelchair weight lifters; (2) the F-V test is useful for wheelchair weight lifters, as it effectively evaluates their anaerobic power and speed-strength abilities, which is very similar to the able-bodied subjects.
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Training Effectiveness of the Inertial Training and Measurement System

88%
Naczk M., Brzenczek-Owczarzak W., Arlet J., Naczk A., Adach Z.
Journal of Human Kinetics
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2014
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vol. 44
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issue 1
19-28
EN
The purpose of this study was to evaluate the efficacy of inertial training with different external loads using a new original device - the Inertial Training and Measurement System (ITMS). Forty-six physical education male students were tested. The participants were randomly divided into three training groups and a control group (C group). The training groups performed inertial training with three different loads three times weekly for four weeks. The T0 group used only the mass of the ITMS flywheel (19.4 kg), the T5 and T10 groups had an additional 5 and 10 kg on the flywheel, respectively. Each training session included three exercise sets involving the shoulder joint adductors. Before and after training, the maximal torque and power were measured on an isokinetic dynamometer during adduction of the shoulder joint. Simultaneously, the electromyography activity of the pectoralis major muscle was recorded. Results of the study indicate that ITMS training induced a significant increase in maximal muscle torque in the T0, T5, T10 groups (15.5%, 13.0%, and 14.0%, respectively). Moreover, ITMS training caused a significant increase in power in the T0, T5, T10 groups (16.6%, 19.5%, and 14.5%, respectively). The percentage changes in torque and power did not significantly differ between training groups. Electromyography activity of the pectoralis major muscle increased only in the T0 group after four weeks of training. Using the ITMS device in specific workouts allowed for an increase of shoulder joint adductors torque and power in physical education students.
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