Table 2.
Mean±SEM percent change in muscle strength and power by sex and bicarbonate treatment statusa
Number | Men |
Women |
||||
---|---|---|---|---|---|---|
Control | Bicarbonate | P | Control | Bicarbonate | P | |
35 | 36 | 49 | 42 | |||
Leg power output | ||||||
Knee extension (40% 1-RM, W)b | 0.63±3.70 | 0.42±3.34 | 0.949 | 2.04±1.76 | 4.46±1.83 | 0.263 |
Knee extension (70% 1-RM, W)† | 0.16±2.94 | −2.77±2.66 | 0.268 | 0.52±1.66 | 5.82±1.79 | 0.014 |
Double leg press (40% 1-RM, W) | −1.72±4.68 | −2.71±4.25 | 0.812 | −5.20±2.55 | 4.08±2.82 | 0.006 |
Double leg press (70% 1-RM, W) | −1.94±3.62 | −5.47±3.27 | 0.275 | −1.86±3.39 | 11.61±3.74 | 0.003 |
Isokinetic leg enduranceb | ||||||
Knee extension (240°/s, Nm) | 6.55±4.40 | 5.46±3.98 | 0.780 | −3.59±3.20 | 5.12±3.66 | 0.047 |
Knee flexion (240°/s, Nm) | 7.48±4.58 | 5.66±4.15 | 0.658 | −7.30±3.09 | 0.76±3.54 | 0.057 |
Grip strength (kgf)b | 4.42±2.05 | 2.83±1.85 | 0.382 | −1.13±1.21 | 1.07±1.38 | 0.178 |
Changes are adjusted for baseline strength, tester concordance, and for the changes in K/Cr and Na/Cr. There were up to six scattered missing values for individual tests in the control group and up to three in the bicarbonate group
Mean of both limbs