BioMed Research International / 2015 / Article / Tab 4

Clinical Study

The Effects of Aquatic Exercises on Physical Fitness and Muscle Function in Dialysis Patients

Table 4

Values of force-velocity parameters of flexors and extensors of the knee joint before and after aquatic exercise.

Knee extensors
Joint angleParameterLegBefore exerciseAfter exerciseStudent’s -test
MeanSDMeanSD

60°/sPeak torque [N-m]Right62.3116.5568.8415.254.6210.0024
Left65.2624.5266.6421.100.3600.7293
Peak torque/body weight [%]Right106.1626.10124.4820.924.4780.0029
Left109.3336.13120.1625.211.3470.2199
Total work [J]Right375.7398.88438.5683.895.6950.0007
Left368.51137.09399.80113.821.6010.1535
Average power [W]Right41.8912.4048.3810.897.3260.0002
Left41.9615.6745.8513.461.4920.1794

180°/sPeak torque [N-m]Right44.4410.6649.139.134.7270.0021
Left41.9311.7844.6310.611.7830.1178
Peak torque/body weight [%]Right68.3911.1177.498.416.9740.0002
Left65.1415.3769.8113.041.9840.0877
Total work [J]Right531.39145.57607.19123.654.7600.0021
Left484.05157.76548.48162.824.3240.0035
Average power [W]Right71.3416.7883.2314.617.0310.0002
Left67.3821.6374.9022.292.9740.0207

300°/sPeak torque [N-m]Right38.393.5739.943.624.1160.0045
Left36.635.0339.246.312.4570.0436
Peak torque/body weight [%]Right61.855.0763.155.323.1110.0171
Left60.1611.9961.2412.100.4220.6857
Total work [J]Right383.6991.82467.2584.6210.933<0.0001
Left357.1397.64419.3592.243.6720.0079
Average power [W]Right72.1317.7685.5516.639.6950.0000
Left67.6922.3879.5525.582.5080.0405

Knee flexors
Joint angleParameterLegBefore exerciseAfter exerciseStudent’s -test
MeanSDMeanSD

60°/sPeak torque [N-m]Right34.807.8040.366.743.3410.0124
Left33.539.8837.258.991.5000.1774
Peak torque/body weight [%]Right57.5413.8467.5511.284.6780.0023
Left58.0918.1963.6315.391.3440.2208
Total work [J]Right188.2548.42237.5341.564.1370.0044
Left191.4669.09223.8153.062.4690.0429
Average power [W]Right20.245.3024.164.526.8710.0002
Left19.797.7822.736.331.8460.1074

180°/sPeak torque [N-m]Right26.204.9131.387.362.8150.0260
Left24.835.9130.417.892.8340.0253
Peak torque/body weight [%]Right43.648.7048.789.043.7440.0072
Left41.1812.1745.9512.494.7790.0020
Total work [J]Right235.3154.22280.5967.945.0060.0016
Left211.3063.32266.3470.076.8980.0002
Average power [W]Right30.496.2537.358.525.0530.0015
Left27.968.4835.298.868.9090.0000

300°/sPeak torque [N-m]Right25.613.9326.484.421.8420.1080
Left25.963.9327.244.044.2950.0036
Peak torque/body weight [%]Right42.134.8942.845.261.1640.2826
Left42.116.8043.886.504.7600.0021
Total work [J]Right154.5448.26175.2456.402.6040.0352
Left138.9360.54183.3162.883.2970.0132
Average power [W]Right27.217.2831.288.452.9080.0227
Left23.8410.0131.999.534.2890.0036

Significance of changes at level .