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Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women.

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  • معلومة اضافية
    • Source:
      Publisher: American Society for Nutrition Country of Publication: United States NLM ID: 0404243 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1541-6100 (Electronic) Linking ISSN: 00223166 NLM ISO Abbreviation: J. Nutr. Subsets: MEDLINE
    • Publication Information:
      Publication: : Rockville, MD : American Society for Nutrition
      Original Publication: 1928-1933 : Springfield, Ill. : C. C. Thomas
    • Subject Terms:
    • Abstract:
      Background: The impact of dietary protein intake on lower extremity lean mass and strength in community-dwelling adult Americans is not fully understood.
      Objectives: The objective was to determine the associations between total protein (TP), animal protein (AP), and plant protein (PP) intakes and lean mass of the legs and quadriceps muscle strength. We further examined whether the associations with quadriceps strength may be explained by lean mass of the legs.
      Methods: This cross-sectional study included men (n = 1166) and women (n = 1509) from the Framingham Offspring Cohort in Massachusetts. Protein intake in grams per day was measured in either 1995-1998 or 1998-2001. Leg lean mass and isometric quadriceps strength, both in kilograms, were measured in 1996-2001. Multilinear regression models estimated adjusted least squares means of each of the muscle measures by quartile categories of protein intake, adjusting for relevant confounders and covariates.
      Results: Mean age was 59 ± 9 y (range: 29-86 y) and TP intake was 80 ± 27 g/d in men and 76 ± 26 g/d in women. In men and women, leg lean mass was higher in participants in the highest quartiles of TP and AP intake compared with those in the lowest quartiles of intake [least squares means (kg): TP-17.6 vs. 17.1 in men, P-trend: 0.005, and 11.7 vs. 11.4 in women, P-trend: 0.006; AP-17.6 vs. 17.1 in men, P-trend: 0.002, and 11.7 vs. 11.4 in women, P-trend: 0.003]. PP intake was not associated with lean mass in either sex. In men and women, quadriceps strength was higher in participants in the highest quartile of PP intake compared with those in the lowest quartile [least squares means (kg): 22.9 vs. 21.7 in men, P-trend: 0.01, and 19.0 vs. 18.2 in women, P-trend: 0.01]; this association was no longer significant after adjustment for fruit and vegetable intake (P-trend: 0.06 in men and 0.10 in women). Although no significant association was observed for AP intake in either sex, nonsignificant protective trends were observed for TP intake (P-trend: 0.08 in men and 0.10 in women).
      Conclusions: Our findings suggest that maintaining adequate protein intake with age may help preserve muscle mass and strength in adult men and women. Dietary protein types may differentially affect muscle mass and strength. Whether PP is a marker of dietary quality or has a direct effect on muscle strength (independent of lean mass) needs to be further clarified.
      (© 2015 American Society for Nutrition.)
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    • Grant Information:
      N01-HC-25195 United States HC NHLBI NIH HHS; R01 AR/AG 41398 United States AG NIA NIH HHS; R01 AR041398 United States AR NIAMS NIH HHS; T32 AG023480 United States AG NIA NIH HHS; R01 AR53205 United States AR NIAMS NIH HHS; T32-AG023480 United States AG NIA NIH HHS; R01 AR053205 United States AR NIAMS NIH HHS
    • Contributed Indexing:
      Keywords: animal protein; leg lean mass; plant protein; protein intake; quadriceps strength
    • Accession Number:
      0 (Dietary Proteins)
    • Publication Date:
      Date Created: 20150529 Date Completed: 20150914 Latest Revision: 20190508
    • Publication Date:
      20200716
    • Accession Number:
      PMC4478942
    • Accession Number:
      10.3945/jn.114.204925
    • Accession Number:
      26019246
  • Citations
    • ABNT:
      SAHNI, S. et al. Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women. The Journal of nutrition, [s. l.], v. 145, n. 7, p. 1569–1575, 2015. DOI 10.3945/jn.114.204925. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=cmedm&AN=26019246&custid=s8280428. Acesso em: 15 ago. 2020.
    • AMA:
      Sahni S, Mangano KM, Hannan MT, Kiel DP, McLean RR. Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women. The Journal of nutrition. 2015;145(7):1569-1575. doi:10.3945/jn.114.204925
    • APA:
      Sahni, S., Mangano, K. M., Hannan, M. T., Kiel, D. P., & McLean, R. R. (2015). Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women. The Journal of Nutrition, 145(7), 1569–1575. https://doi.org/10.3945/jn.114.204925
    • Chicago/Turabian: Author-Date:
      Sahni, Shivani, Kelsey M Mangano, Marian T Hannan, Douglas P Kiel, and Robert R McLean. 2015. “Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women.” The Journal of Nutrition 145 (7): 1569–75. doi:10.3945/jn.114.204925.
    • Harvard:
      Sahni, S. et al. (2015) ‘Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women’, The Journal of nutrition, 145(7), pp. 1569–1575. doi: 10.3945/jn.114.204925.
    • Harvard: Australian:
      Sahni, S, Mangano, KM, Hannan, MT, Kiel, DP & McLean, RR 2015, ‘Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women’, The Journal of nutrition, vol. 145, no. 7, pp. 1569–1575, viewed 15 August 2020, .
    • MLA:
      Sahni, Shivani, et al. “Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women.” The Journal of Nutrition, vol. 145, no. 7, July 2015, pp. 1569–1575. EBSCOhost, doi:10.3945/jn.114.204925.
    • Chicago/Turabian: Humanities:
      Sahni, Shivani, Kelsey M Mangano, Marian T Hannan, Douglas P Kiel, and Robert R McLean. “Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women.” The Journal of Nutrition 145, no. 7 (July 2015): 1569–75. doi:10.3945/jn.114.204925.
    • Vancouver/ICMJE:
      Sahni S, Mangano KM, Hannan MT, Kiel DP, McLean RR. Higher Protein Intake Is Associated with Higher Lean Mass and Quadriceps Muscle Strength in Adult Men and Women. The Journal of nutrition [Internet]. 2015 Jul [cited 2020 Aug 15];145(7):1569–75. Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=cmedm&AN=26019246&custid=s8280428