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.