Muscular strength of active men, 25 to 64 years of age Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/ww72bh065

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  • This study measured muscular strength and perceivedexertion of active men
  • This study measured muscular strength and perceivedexertion of active men, 25 to 64 years old. The subjectswere 80 members of a large YMCA, with 20 active men chosenfrom each of the following age groups: 25-34, 35-44, 45-54,and 55-64. Measurement of strength consisted of assessingthe maximum weight that could be lifted, through a completerange of motion, 10 times (10-RM) for each of six strengthexercises; leg press, leg extension, leg curl, declinepress, seated rowing, and behind neck pulldown. Uponcompletion of the last strength test, each subject indicateda rating of perceived exertion (RPE) from the Borg scale.Total Body Strength (TS) represented the sum of theweight lifted in each of the six strength tests. To adjustfor body size, TS was divided by the subject's Body MassIndex (BMI) and this ratio was termed Relative Strength(RS). The RS of the 55-64 age group was approximately 72per cent of the value recorded by the 25-34 age group. Thisdifference was significant (p = .0000) and linear (p =.0000). The means of the two older age groups weresignificantly different from the two younger groups, but notfrom each other. RPE for both the 25-34 and 35-44 agegroups was significantly greater (p = .0072) than the RPEfor either of the two older age groups; however, thedifference between the means of any two age groups was lessthan 1.6, and the correlation between age and RPE was low(-.3139).It was concluded that (1) RS was less for successivelyolder age groups of active men. The difference between agegroups followed a linear trend and by age 60, RS was 72 percent of the value at age 30. (2) The RPE for the 10-RMstrength tests was similar for all age groups.
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2013-05-29T15:14:09Z (GMT) No. of bitstreams: 1 LeMarrJohnD1988.pdf: 2222942 bytes, checksum: 87bc2d095c0dc10d62f5811822000b0c (MD5)
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2013-07-31T18:43:12Z (GMT) No. of bitstreams: 1 LeMarrJohnD1988.pdf: 2222942 bytes, checksum: 87bc2d095c0dc10d62f5811822000b0c (MD5)
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