Table 3. Work economy, peak oxygen uptake in swimming and maximal heart rate. All data are presented as mean (standard deviation).
|
Intervention group |
Control group |
All (n = 11) |
Female(n = 5) |
All (n = 9) |
Female (n = 7) |
Cs at 1.1 m·s-1(mL·m-1) |
Pre |
43.9 |
(6.3) |
39.7 |
(4.1) |
38.4 |
(8.9) |
35.2 |
(7.1) |
Post |
42.7 |
(6.6) |
38.3 |
(3.5) |
39.1 |
(6.3) |
36.8 |
(5.1) |
Cs at 1.1 m·s-1(mL· -1·kg-1) |
Pre |
0.75 |
(.09) |
.74 |
(0.11) |
.66 |
(.13) |
.63 |
(.13) |
Post |
0.72 |
(.06) |
.72 |
(0.08) |
.66 |
(.12) |
.65 |
(.14) |
VO2peak(L·min-1) |
Pre |
3.26 |
(.64) |
2.80 |
(0.20) |
3.03 |
(.39) |
2.87 |
(.15) |
Post |
3.28 |
(.69) |
2.75 |
(0.30) |
2.97 |
(.46) |
2.77 |
(.16) |
VO2peak(mL·kg-1·min-1) |
Pre |
55.2 |
(4.6) |
52.2 |
(3.8) |
52.2 |
(5.0) |
51.5 |
(5.3) |
Post |
55.0 |
(5.8) |
51.5 |
(6.6) |
50.0 |
(6.2) |
48.7 |
(6.4) |
VE(L·min-1) |
Pre |
97.4 |
(18.2) |
86.2 |
(5.0) |
94.2 |
(11.7) |
90.3 |
(6.7) |
Post |
105.5 |
(19.7)** |
92.3 |
(10.3) |
91.9 |
(16.8) |
85.7 |
(10.9) |
R |
Pre |
1.14 |
(.06)† † |
1.14 |
(.04)† |
1.07 |
(.07)† † |
1.04 |
(.03)† |
Post |
1.13 |
(.09)† † |
1.10 |
(.08)† † |
1.03 |
(.09)*† † |
1.00 |
(.02)*† † |
vVO2peak(m·s-1) |
Pre |
1.31 |
(.08) |
1.28 |
(.08) |
1.28 |
(.11) |
1.27 |
(.10) |
Post |
1.32 |
(.07) |
1.28 |
(.07) |
1.29 |
(.12) |
1.26 |
(.11) |
HRmax(beats·min-1) |
|
194 |
(7) |
195 |
(5) |
186 |
(5) |
188 |
(5) |
C: Cost of swimming, m·s: meters per second, mL·m: millilitres per meter, VO: Peak oxygen uptake in swimming, L·min: liters per minute, V: Pulmonary ventilation, R: Respiratory exchange ratio, vVO: velocity during VO –measurement, HR: maximal heart rate during swimming, min: minute. * Significant change in group at p < 0.05. ** Significant change in group at p < 0.01. † Significant difference between intervention group and control group at p < 0.05. † † Significant difference between intervention group and control group at p < 0.01.