Effects Of Posture On Back Strength And Lifting Capacity

Details

• Personal Author:
  Gallagher, Sean ; Bobick, Thomas G.
• Description:
  The Bureau of Mines performed a pilot study examining the effects of posture on back strength and Maximum Acceptable Weight of Lift (MAWL) on six healthy male subjects (M = 32 years + 4 SD). Six hack strength measurements (3 static and 3 dynamic) were made while the subjects were kneeling and standing. In addition, these subjects (who were unaccustomed to lifting in these postures) volunteered to participate in a study of psychophysically determined NAWL in both postures. Results of the back strength tests showed a significantly lower peak torque per body weight output in kneeling versus standing hack strength measurements for five out of six test comparisons (p < .05). Subjective estimates of lifting capacity in the kneeling posture were significantly lower than those for the stooped posture (p < .05). The results of tests of hack strength and lifting capacity in these two postures provide useful information to consider in determining the physiological and psychophysical stresses imposed by these
• Subjects:
  NIOSH
• Document Type:
  Text
• Genre:
  Conference Publications
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• NIOSHTIC Number:
  nn:20023255
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:0e4641d58e6c027f7b0ccb5329d0d2ce1e2c3cc00b70aff439ae344452fa84c99a354deba1578ffe0d456fc08b972e39aa7578b779423ce630c5b44629de75c8
• Download URL:
  https://stacks.cdc.gov/view/cdc/8693/cdc_8693_DS1.pdf
• File Type:
  [PDF - 600.17 KB ]