Table 2

Peak torque of the knee and trunk extensors and flexors during isokinetic contractions

Variable

Condition

Peak Torque (Nm)

Pre

0 h

24 h

48 h

72 h

Knee Extension

PLA

148 ± 20

145 ± 22

141 ± 28

149 ± 23

154 ± 24

(180 °·s^-1)

CHO

150 ± 17

151 ± 16

152 ± 19

155 ± 21

147 ± 20

(n = 8)

PRO

150 ± 24

149 ± 23

140 ± 28

145 ± 24

146 ± 22

Knee Flexion

PLA

95 ± 21

85 ± 20 *

90 ± 28

97 ± 21

102 ± 18

(180 °·s^-1)

CHO

97 ± 9

86 ± 17 *

96 ± 21

95 ± 17

92 ± 16

(n = 8)

PRO

98 ± 13

90 ± 15*

96 ± 15

99 ± 19

97 ± 14

Trunk Extension

PLA

243 ± 55

218 ± 71 *

220 ± 57

244 ± 54

237 ± 56

(15 °·s^-1)

CHO

259 ± 49

221 ± 45 *

236 ± 63

252 ± 60

256 ± 61

(n = 9)

PRO

242 ± 54

218 ± 62 *

243 ± 55

249 ± 73

241 ± 65

Trunk Extension

PLA

232 ± 56

204 ± 65 *

207 ± 55

227 ± 43

230 ± 60

(60 °·s^-1)

CHO

226 ± 61

196 ± 51 *

221 ± 76

218 ± 72

243 ± 75

(n = 9)

PRO

232 ± 77

196 ± 60 *

229 ± 68

244 ± 62

233 ± 81

Trunk Flexion

PLA

298 ± 36

275 ± 34 *

298 ± 28

296 ± 44

310 ± 25

(60 °·s^-1)

CHO

300 ± 36

284 ± 40 *

301 ± 35

300 ± 32

299 ± 40

(n = 10)

PRO

299 ± 36

277 ± 38 *

289 ± 43

296 ± 44

299 ± 34

Measurements were taken before (Pre) and after (0, 24, 48 and 72 h) 120 minutes of treadmill walking at 6.5 km·h^-1 (n = 10) on a level gradient (0%) carrying a 25 kg backpack. Either a placebo beverage (PLA), carbohydrate (6.4%) beverage (CHO) or protein (7%) beverage (PRO) was consumed at 0 and 60 minutes (250 ml) during treadmill walking or twice daily (500 ml, morning and evening) for the 3 days following load carriage. *, different from pre-value (P < 0.05).

Blacker et al. Journal of the International Society of Sports Nutrition 2010 7:2   doi:10.1186/1550-2783-7-2