Display options
Cite
Kim S, Lockhart T, Nam CS. Leg Strength Comparison between Younger and Middle-age Adults. Int J Ind Ergon. 2010;40(3):315-320doi: 10.1016/j.ergon.2009.11.003.
Kim, S., Lockhart, T., & Nam, C. S. (2010). Leg Strength Comparison between Younger and Middle-age Adults. International journal of industrial ergonomics, 40(3), 315-320. https://doi.org/10.1016/j.ergon.2009.11.003
Kim, Sukwon, et al. "Leg Strength Comparison between Younger and Middle-age Adults." International journal of industrial ergonomics vol. 40,3 (2010): 315-320. doi: https://doi.org/10.1016/j.ergon.2009.11.003
Kim S, Lockhart T, Nam CS. Leg Strength Comparison between Younger and Middle-age Adults. Int J Ind Ergon. 2010 May 01;40(3):315-320. doi: 10.1016/j.ergon.2009.11.003. PMID: 20436934; PMCID: PMC2861367.
Copy Download .nbib Format: NLM
Share it on

Int J Ind Ergon. 2010 May 01;40(3):315-320. doi: 10.1016/j.ergon.2009.11.003.

Leg Strength Comparison between Younger and Middle-age Adults.

International journal of industrial ergonomics

Sukwon Kim, Thurmon Lockhart, Chang S Nam

Affiliations

  1. Human Factors and Ergonomics Laboratory, Department of Industrial Engineering and Technology, Texas A&M University-Commerce, Commerce TX 75428.

PMID: 20436934 PMCID: PMC2861367 DOI: 10.1016/j.ergon.2009.11.003

Abstract

Although a risk of occupational musculoskeletal diseases has been identified with age-related strength degradation, strength measures from working group are somewhat sparse. This is especially true for the lower extremity strength measures in dynamic conditions (i.e., isokinetic). The objective of this study was to quantify the lower extremity muscle strength characteristics of three age groups (young, middle, and the elderly). Total of 42 subjects participated in the study: 14 subjects for each age group. A commercial dynamometer was used to evaluate isokinetic and isometric strength at ankle and knee joints. 2 × 2 (Age group (younger, middle-age, and older adult groups) × Gender (male and female)) between-subject design and Post-hoc analysis were performed to evaluate strength differences among three age groups. Post-hoc analysis indicated that, overall, middle-age workers' leg strengths (i.e. ankle and knee muscles) were significantly different from younger adults while middle-age workers' leg strengths were virtually identical to older adults' leg strengths. These results suggested that, overall, 14 middle-age workers in the present study could be at a higher risk of musculoskeletal injuries. Future studies looking at the likelihood of musculoskeletal injuries at different work places and from different working postures at various age levels should be required to validate the current findings. The future study would be a valuable asset in finding intervention strategies such that middle-age workers could stay healthier longer.

References

  1. Scand J Work Environ Health. 1999 Oct;25(5):387-403 - PubMed
  2. Ann Rheum Dis. 1994 Feb;53(2):90-3 - PubMed
  3. J Adv Nurs. 2004 May;46(4):430-40 - PubMed
  4. J Appl Physiol (1985). 1997 Nov;83(5):1581-7 - PubMed
  5. J Neurosci Methods. 1997 Jun 27;74(2):219-27 - PubMed
  6. Occup Environ Med. 2005 Aug;62(8):567-75 - PubMed
  7. Clin Orthop Relat Res. 1998 Jun;(351):21-31 - PubMed
  8. Occup Environ Med. 2008 Feb;65(2):72-89 - PubMed
  9. Hum Factors. 2005 Winter;47(4):708-29 - PubMed
  10. Scand J Work Environ Health. 1996 Jun;22(3):165-75 - PubMed
  11. Acta Physiol Scand. 1998 Mar;162(3):253-60 - PubMed
  12. J Gerontol. 1990 May;45(3):M82-8 - PubMed
  13. J Rheumatol. 1991 Oct;18(10):1587-92 - PubMed
  14. J Occup Environ Hyg. 2007 Jan;4(1):10-6 - PubMed
  15. Ind Health. 2008 Jan;46(1):32-9 - PubMed
  16. Ergonomics. 1965 Oct;8(4):409-24 - PubMed
  17. AIHA J (Fairfax, Va). 2003 Nov-Dec;64(6):763-70 - PubMed
  18. Clin Orthop Relat Res. 1984 Dec;(191):193-201 - PubMed
  19. Muscle Nerve. 1989 Aug;12(8):660-9 - PubMed
  20. BMJ. 1997 Oct 25;315(7115):1065-9 - PubMed
  21. Eur J Appl Physiol. 2004 Jan;91(1):22-9 - PubMed
  22. Int Arch Occup Environ Health. 2001 Mar;74(2):79-90 - PubMed
  23. J Appl Physiol (1985). 1991 Aug;71(2):644-50 - PubMed
  24. Hum Factors. 1995 Dec;37(4):854-65 - PubMed
  25. Occup Environ Med. 2002 Sep;59(9):601-7 - PubMed
  26. Scand J Work Environ Health. 1999 Jun;25(3):163-85 - PubMed

Publication Types

Grant support