Skip to main content

Table 4 Exercise performance related data for the diet and supplemented groups

From: Effects of diet type and supplementation of glucosamine, chondroitin, and MSM on body composition, functional status, and markers of health in women with knee osteoarthritis initiating a resistance-based exercise and weight loss program

Variable

Group

0

Week

10

14

p-value

Peak VO2

HC-GCM

19.4 ± 3

19.9 ± 4

20.5 ± 3†

D = 0.85

(ml/kg/min)

HC-P

18.3 ± 5

18.5 ± 6

19.6 ± 4†

S = 0.20

 

HP-GCM

20.2 ± 4

21.4 ± 4

21.9 ± 3†*

T = 0.05

 

HP-P

18.7 ± 4

18.8 ± 2

16.9 ± 3†*

T × D = 0.03

 

HC

18.8 ± 4

19.1 ± 5

20.0 ± 4†

T × S = 0.008

 

HP

19.8 ± 4

20.6 ± 4†*

20.3 ± 4†

T × D × S = 0.003

 

GCM

19.9 ± 3

20.8 ± 4†*

21.3 ± 3†*

 
 

P

18.4 ± 5

18.6 ± 5

18.8 ± 4

 
 

Mean

19.2 ± 4

19.8 ± 4

20.1 ± 4†

 

Bench Press

HC-GCM

26.9 ± 5

29.1 ± 8

29.8 ± 8

D = 0.57

1RM (kg)

HC-P

27.0 ± 7

28.2 ± 6

29.5 ± 6

S = 0.19

 

HP-GCM

29.8 ± 6

33.8 ± 7

34.6 ± 6

T = 0.001

 

HP-P

24.4 ± 2

28.4 ± 3

27.8 ± 5

T × D = 0.18q

 

HC

27.0 ± 6

28.7 ± 7

29.7 ± 7

T × S = 0.57

 

HP

28.1 ± 5

32.1 ± 6

32.5 ± 6

T × D × S = 0.75

 

GCM

28.5 ± 6

31.8 ± 7

32.5 ± 7

 
 

P

26.2 ± 6

28.7 ± 7

29.0 ± 6

 
 

Mean

27.5 ± 6

30.2 ± 6†

30.9 ± 7†

 

Upper Body Endurance (kg)

HC-GCM

206 ± 52

269 ± 121

245 ± 120

D = 0.81

 

HC-P

164 ± 88

175 ± 109

198 ± 142

S = 0.02

 

HP-GCM

242 ± 81

299 ± 128

278 ± 116

T = 0.04q

 

HP-P

157 ± 22

179 ± 34

153 ± 26

T × D = 0.59

 

HC

182 ± 75

216 ± 120

219 ± 131

T × S = 0.17q

 

HP

216 ± 66

262 ± 120

240 ± 113

T × D × S = 0.64

 

GCM

226 ± 59

286 ± 122

264 ± 115

 
 

P

162 ± 73

176 ± 90

184 ± 119

 
 

Mean

197 ± 72

237 ± 120†

228 ± 121

 
  1. Data are means ± standard deviations. HC = high carbohydrate, HP = high protein, GCM = glucosamine/chondroitin/MSM, P = placebo, HR = heart rate, SBP = systolic blood pressure, DBP = diastolic blood pressure, VO2 = oxygen uptake, 1 RM = one repetition maximum, D = diet, S = supplement, T = time, q = quadratic alpha level. † Indicates p < 0.05 difference from baseline. * represents p < 0.05 difference between groups.