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Table 8 Comparison between the present study and studies of Bohannon[3] and Andrews[9] for female

From: Reference values for isometric muscle force among workers for the Netherlands: a comparison of reference values

Female Dominant Non dominant
Muscle force Douma Bohannon Andrews Douma Bohannon Andrews
Mean (95%C) Mean Mean Mean (95%C) Mean Mean
Elbow flexion       
  Age group       
  20-29 191 (182-199) 155 - 183 (175-192) 151 -
  30-39 195 (184-206) 164 - 186 (175-198) 161 -
  40-49 191 (182-199) 151 - 186 (176-195) 157 -
  50-59 181 (171-191) 155 167 166 (158-174) 156 160
Elbow extension       
  Age group       
  20-29 132 (124-139) 116 - 131 (123-139) 115 -
  30-39 128 (121-135) 117 - 125 (116-133) 119 -
  40-49 131 (124-137) 110 - 125 (118-132) 112 -
  50-59 120 (113-127) 111 108 118 (109-127) 107 104
Knee extension       
Age group       
  20-29 261 (234-288) 467 - 260 (238-281) 466 -
  30-39 273 (244-302) 408 - 264 (235-292) 411 -
  40-49 262 (231-293) 381 - 245 (225-265) 363 -
  50-59 244 (221-267) 335 298 230 (210-246) 319 293
Shoulder abduction       
Age group       
  20-29 115 (104-127) 153 - 124 (110-137) 135 -
  30-39 116 (105-128) 139 - 118 (104-131) 136 -
  40-49 119 (110-128) 139 - 118 (109-126) 129 -
  50-59 114 (110-128) 137 135 116 (104-128) 135 124
  1. Bold printed numbers are values outside the 95%CI of this study.
  2. Age groups are given in decades in years, Muscle force is given in Newtons, LCL = lower control limit, UCL upper control limit, – not available.