High Intensity Interval Training Favourably Affects Angiotensinogen mRNA Expression and Markers of Cardiorenal Health in a Rat Model of Early-Stage Chronic Kidney Disease
Table 1
Detailed exercise protocol.
Group
Variable
Measure
Wk 1
Wk 2
Wk 3
Wk 4
Wk 5
Wk 6
Wk 7
Wk 8
SED
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
LIT 45–50% VO2max
Max. speed
Meters/Min
15
15
15
15
15
15
15
15
Incline
Degrees
1
1
1
1
1
1
1
1
Duration
Minutes
13.3
20
26.6
33.3
33.3
33.3
33.3
33.3
Intensity
Constant treadmill speed and constant treadmill incline
Frequency
Bouts/Wk
4
4
4
4
4
4
4
4
Distance per bout
Meters
199.5
300
399
499.5
499.5
499.5
499.5
499.5
Distance per week
Meters
798
1200
1596
1998
1998
1998
1998
1998
HIIT ≈85% VO2max
Max. speed
Meters/Min
20
30
40
50
50
50
50
50
Incline
Degrees
5
10
10
10
10
10
10
10
Duration
Minutes
30
30
30
30
30
30
30
30
Intensity
2 min stationary period followed by 1 min sprint period 10 reps
Frequency
Bouts/Wk
4
4
4
4
4
4
4
4
Distance per bout
Meters
200
300
400
500
500
500
500
500
Distance per week
Meters
800
1200
1600
2000
2000
2000
2000
2000
Identical 5-min warm-up (15 m/min) was performed by both training groups prior to each exercise bout.
