Table 6

Changes in cardiorespiratory fitness from PRE to POST (Math ± SE).

PRE
 POST
 CHANGE
VO2max (ml·kg-1·min-1)**


     CON
 36.8 ± 2.1
 36.9 ± 2.0
 0.1 ± 0.5
     EX
 35.7 ± 2.7
 37.5 ± 2.4
 1.8 ± 0.6a
     EXFS
 32.9 ± 1.9
 35.5 ± 1.8
 2.6 ± 0.4a
VO2 (L·min-1)*


     CON
 2.87 ± 0.25
 2.88 ± 0.25
 0.01 ± 0.01
     EX
 2.87 ± 0.23
 3.00 ± 0.82
 0.13 ± 0.05
     EXFS
 2.76 ± 0.20
 2.93 ± 0.21
 0.17 ± 0.04a
Minute Ventilation (L·min-1)*


     CON
 79.4 ± 7.6
 79.0 ± 6.0
 0.4 ± 2.5
     EX
 83.3 ± 5.0
 89.1 ± 5.5
 5.8 ± 2.4a
     EXFS
 83.7 ± 4.7
 88.0 ± 5.1
 4.3 ± 1.4a
Maximum Heart Rate (bpm)*


     CON
 192.1 ± 2.7
 190.9 ± 2.0
 -1.2 ± 1.8
     EX
 190.6 ± 2.6
 188.6 ± 2.8
 -2.0 ± 1.3
     EXFS
 187.0 ± 6.2
 184.6 ± 6.0
 -2.4 ± 1.5
Time-to-Exhaustion (sec)**


     CON
 643.9 ± 44.8
 653.0 ± 46.4
 9.1 ± 13.4
     EX
 681.8 ± 62.0
 748.6 ± 65.4
 66.8 ± 13.8a,b
     EXFS
 559.9 ± 46.8
 678.6 ± 50.1
 118.7 ± 14.3a,b,c

Cardiorespiratory fitness, as assessed by graded treadmill test to exhaustion. CON = control; EX = exercise only; EXFS = exercise + food supplement. *Main effect for time (p ≤ 0.05); **Group-by-Time interaction (p ≤ 0.05). aDifferent from PRE (p ≤ 0.017). bDifferent from CON (p ≤ 0.05). cDifferent from EX (p ≤ 0.05).

Lockwood et al. Nutrition & Metabolism 2008 5:11   doi:10.1186/1743-7075-5-11