Table 3. Test-retest reliability of the TWAS. Average values of AV, PV, AP and PP.
Systematic bias Proportional bias Random error Bias CI (95%) ICC ¥ CV ¥ (%)
BS AV, m·s-1 -.02 # .03 ± .07 -.04 to -.01 .982 8.5
BP AV, m·s-1 .001 .02 ± .08 -.01 to .01 .977 9.6
BS PV, m·s-1 -.05 # .06 * ± .13 -.07 to -.03 .966 9.6
BP PV, m·s-1 -.004 .02 ± .08 -.02 to .01 .988 9.0
BS AP, W -5.45 .04 ± 39.75 -11.66 to .76 .969 10.9
BP AP, W -3.53 .03 ± 27.87 -7.83 to .77 .983 10.7
BS PP, W -19.99 # .04 ± 85.78 -33.38 to -6.59 .922 13.0
BP PP, W -18.40 # .02 ± 49.35 -26.01 to -10.79 .970 13.2
TWAS= Tendo Weightlifting Analyzer System; BS= Back Squat; BP= Bench Press; AV= Average Velocity; PV= Peak Velocity; AP= Average Power; PP= Peak Power; m/s= meter/second; W= watts; CI= Confidence interval; ICC= intraclass correlation coefficient; CV= coefficient of variation
*Significant r–values p < 0.05
# Significant difference between session 1 VS session 2, p < 0.01
¥ Dimensionless statistical parameter.