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, 9 (4), 12-17
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Protein and Muscle Health During Aging: Benefits and Concerns Related to Animal-Based Protein

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Protein and Muscle Health During Aging: Benefits and Concerns Related to Animal-Based Protein

Kyle J Hackney et al. Anim Front.

Abstract

No abstract available

Keywords: aging; animal-based protein; muscle size; plant-based protein; sarcopenia.

Figures

Figure 1.
Figure 1.
Representative MRI images of the upper leg showing muscle area (dark gray), inter/intramuscular adipose/fibrous tissue (white area within and between muscles), and subcutaneous adipose tissue (white area around all the muscle groups) in (A) younger, active and (B) older, inactive male. Muscle area is increased in the younger, active male by 55% compared with the older, active male (82.21 cm2 vs. 52.87 cm2), whereas lipid/fibrous area is increased 7× in the older, inactive male compared with the younger, active male (11.50 cm2 vs. 1.64 cm2).
Figure 2.
Figure 2.
Association between total protein intake and muscle cross-sectional area of the quadriceps muscle group in healthy younger and middle-aged adults.
Figure 3.
Figure 3.
Leucine content evaluated in various protein sources relative to weight (w).

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