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Table 2 Values for CK, MVC, and VAS for the three supplement groups

From: Acute and timing effects of beta-hydroxy-beta-methylbutyrate (HMB) on indirect markers of skeletal muscle damage

Variables   0 8 hrs 24 hrs 48 hrs 72 hrs
MVC Knee Extensors Control 216 ± 10 178 ± 29* 193 ± 17 191 ± 16 180 ± 22*
(N) Pre 224 ± 15 170 ± 28* 188 ± 17 206 ± 16 165 ± 22*
  Post 231 ± 15 171 ± 28* 210 ± 16 208 ± 15 215 ± 23
MVC Knee Flexors Control 118 ± 7 92 ± 11 82 ± 6 80 ± 8 76 ± 8
(N) Pre 127 ± 10 92 ± 16 91 ± 9 97 ± 11 79 ± 12*
  Post 127 ± 12 88 ± 13 92 ± 11* 71 ± 12* 85 ± 14*
VAS Quadriceps Control 0.0 ± 0.0 2.0 ± 0.4 2 ± 0.4 2.6 ± 1.4* 1.0 ± 0.4
(cm) Pre 0.0 ± 0.0 0.7 ± 0.5 1.9 ± 1.0* 1.5 ± 1.0 0.9 ± 1.0
  Post 0.0 ± 0.0 1.0 ± 0.3 2.0 ± 1.0 3.0 ± 1.0* 2.6 ± 1.0*
VAS Hamstrings Control 0.0 ± 0.0 1.1 ± 0.3 2.1 ± 0.5 4.2 ± 0.6* 2.4 ± 0.5*
(cm) Pre 0.0 ± 0.0 0.7 ± 0.7 2.3 ± 0.7 3.4 ± 0.8* 2.4 ± 0.7
  Post 0.0 ± 0.0 1.2 ± 0.5 2.2 ± 0.7 4.4 ± 0.9* 4.1 ± 0.8*
CK Control 165 ± 36 398 ± 95 623 ± 140 1032 ± 141* 801 ± 204
(U/L) Pre 201 ± 51 382 ± 135 551 ± 135 853 ± 396 1098 ± 289*
  Post 199 ± 51 430 ± 134 759 ± 199 1531 ± 937* 937 ± 289*
LDH Control 113 ± 7 125 ± 10 131 ± 18 186 ± 29 372 ± 78*
(U/L) Pre 144 ± 10 154 ± 23 134 ± 25 159 ± 41 224 ± 110
  Post 124 ± 10 129 ± 22 129 ± 26 219 ± 41 419 ± 111*
  1. Values are means ± standard deviation.
  2. * p < 0.05, significantly different from 0 time point
  3. Pre, received supplement before exercise and placebo after; Post, received supplement after exercise and placebo before exercise; Control, received placebo before and after exercise; CK, creatine kinase; MVC, maximal voluntary contraction; N, newtons; VAS, visual analogue scale.