|
Parameter
|
Grade
|
Mode of carriage (mean ± SD)
|
% of change
|
|---|
|
No Load
|
DM (31.4 kg)
|
CM (31.4 kg)
|
NL vs DM
|
NL vs CM
|
CM vs DM
|
|---|
|
HR (beats/min)
|
−10%
|
88.00 ± 8.89
|
107.00 ± 7.00
|
92.00 ± 5.43
|
21.59*
|
4.55
|
16.30
|
|
−5%
|
89.00 ± 8.01
|
111.00 ± 5.54
|
92.00 ± 4.91
|
24.72*
|
3.37
|
20.65*
|
|
0%
|
95.00 ± 7.00
|
121.00 ± 4.67
|
100.00 ± 5.54
|
27.37*
|
5.26*
|
21.00
|
|
5%
|
111.00 ± 8.31
|
160.00 ± 13.50
|
125.00 ± 8.73
|
44.14*
|
12.61*
|
28.00*
|
|
10%
|
130.00 ± 9.09
|
183.00 ± 7.48
|
156.00 ± 8075
|
40.77*
|
20.00*
|
17.31
|
|
VO2 [ml/(min·kg)]
|
−10%
|
6.64 ± 2.17
|
9.12.00 ± 3.35
|
8.24 ± 2.05
|
37.35*
|
24.10
|
10.68
|
|
−5%
|
6.76 ± 1.87
|
9.58 ± 3.85
|
8.92 ± 2.14
|
41.72*
|
31.95
|
7.40
|
|
0%
|
9.45 ± 2.13
|
13.50 ± 3.39
|
12.84 ± 2.50
|
42.86*
|
35.87
|
5.14
|
|
5%
|
15.14 ± 2.80
|
22.76 ± 3.57
|
17.75 ± 1.43
|
50.33*
|
17.24
|
28.23
|
|
10%
|
21.12 ± 2.58
|
30.50 ± 3.63
|
25.69 ± 4.53
|
44.41*
|
21.64
|
18.72
|
|
EE (kcal/min)
|
−10%
|
2.45 ± 0.85
|
3.29 ± 1.20
|
2.87 ± 0.68
|
34.29*
|
17.14
|
14.63
|
|
−5%
|
2.51 ± 0.79
|
3.45 ± 1.34
|
3.11 ± 0.72
|
37.45*
|
23.90
|
10.93
|
|
0%
|
3.49 ± 0.90
|
4.46 ± 1.28
|
4.43 ± 0.88
|
27.79*
|
26.93
|
0.68
|
|
5%
|
5.59 ± 1.15
|
8.28 ± 1.29
|
6.26 ± 0.45
|
48.12*
|
11.99
|
32.27*
|
|
10%
|
7.86 ± 1.22
|
11.61 ± 1.20
|
9.23 ± 1.27
|
47.71*
|
17.43
|
25.79*
|
|
RF (breaths/min)
|
−10%
|
27.49 ± 5.74
|
33.51 ± 6.40
|
31.62 ± 5.76
|
21.90*
|
15.02
|
5.98*
|
|
−5%
|
26.58 ± 4.94
|
33.38 ± 6.46
|
32.39 ± 5.98
|
25.58*
|
21.86
|
3.06*
|
|
0%
|
27.51 ± 6.54
|
34.13 ± 5.77
|
32.29 ± 6.14
|
24.06
|
17.38
|
5.70*
|
|
5%
|
28.51 ± 4.20
|
37.54 ± 5.18
|
35.34 ± 4.93
|
31.67*
|
23.96
|
6.23
|
|
10%
|
30.57 ± 3.73
|
44.67 ± 7.16
|
40.40 ± 5.61
|
46.12*
|
32.16
|
10.57*
|
- NL No load, DM Distributed mode, CM Compact mode, HR Heart rate, VO2 Oxygen consumption, EE Energy expenditure, RF Respiratory frequency; *P < 0.05
