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Abstract
Validate a low-cost Wireless for the census of acceleration in sports activities. For validation, a linear transducer (T-Force System Ergotech, Murcia, Spain) and videography analysis (SkillSpector version 1.3.2) were used. Participants developed the flat bench press in a SMITH machine. The protocol consisted of a repetition of flat bench press with a constant load (18 kg). Recovery between repetition was 15 seconds. In total 5 subjects developed 84 repetitions. The data were characterized by a minor difference between the values of the mean of the Wireless vs T-Force device (0.18) in contrast to Wireless vs. Videography (0.46). The results show that there are no statistically significant differences in the acceleration of displacement between the Wireless device, linear transducer and videography analysis; however, the reported Pearson correlation levels showed a moderate association (p <0.05) for the two tests. The assumption of independence of the errors was proven by the Durbin-Watson test. The results suggest that, although there were no high associations between the devices, the economic component of the production of the Wireless device makes it a viable alternative for the control and measurement of acceleration in sports.
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