author = {Wilson, Hannah. and Johnson, Mark. and Francis, Peter.}, title = {{Contractile rate of muscle displacement estimated from the slope of the displacement-time curve using tensiomyography}}, journal ={Advances in Skeletal Muscle Function Assessment}, volume ={1}, number ={2}, pages = {3-8}, year = {2017}, abstract ={ Tensiomyography (TMG) can estimate the intrinsic contractile potential of a muscle using data between 10 and 90% of the displacement-time curve. However, it is yet to be determined whether this data represents the greatest rate of displacement i.e. the most valid estimate of the maximal shortening velocity of a muscle. The aim of this secondary analysis of data gathered from 10 participants who had maximal displacement (Dm) of the rectus femoris assessed using TMG, was to compare the rate of displacement using data from 0 – 100% of Dm; 10 – 90% of Dm and the most linear phase of the displacement-time curve. One-way analysis of variance (ANOVA) indicated that rate of displacement increased as data bands narrowed towards the most linear phase of the displacement-time curve (P<0.001). Rate of displacement explained the greatest proportion of variance in total Tc when estimated from the linear phase (R2=0.601; P=0.008). Rate of displacement estimated from data points between 10 – 90% of Dm had a strong association with rate of displacement estimated from the linear phase (r=0.996; P<0.001). The most valid estimate of maximal rate of displacement comes from the linear phase of the displacement-time curve. }, URL ={https://www.asmfa.org/article.asp?issn=2536-1384;year=2017;volume=1;issue=2;spage=3;epage=8;aulast=Wilson;t=6}, eprint ={https://www.asmfa.org/article.asp?issn=2536-1384;year=2017;volume=1;issue=2;spage=3;epage=8;aulast=Wilson;t=6} }
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