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Protein and exercise: update 1987.

P W Lemon1

  • 1Applied Physiology Research Laboratory, Kent State University, OH 44242.

Medicine and Science in Sports and Exercise
|October 1, 1987
PubMed
Summary
This summary is machine-generated.

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Athletes may need 50-100% more protein than sedentary individuals. Exercise significantly impacts protein metabolism, suggesting current recommendations are inadequate for active people seeking optimal performance and muscle gain.

Area of Science:

  • Sports Nutrition
  • Exercise Physiology
  • Metabolic Science

Background:

  • Current protein recommendations are based on sedentary populations.
  • Exercise induces significant alterations in protein metabolism.
  • Existing data suggest higher protein needs for athletes.

Purpose of the Study:

  • To review recent findings on protein metabolism and exercise.
  • To discuss the implications of exercise on protein requirements for athletes.
  • To highlight the need for updated protein intake recommendations for active individuals.

Main Methods:

  • Review of in vitro, in situ, and in vivo evidence.
  • Analysis of factors influencing protein metabolism during exercise.
  • Discussion of methodological and dietary considerations.

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Main Results:

  • Exercise demonstrably increases protein needs.
  • Recent data suggest protein requirements may be 50-100% higher for athletes.
  • Optimal protein intake for muscle growth and strength may be even higher.

Conclusions:

  • Current protein recommendations are likely insufficient for athletes.
  • Further well-controlled studies are needed to establish definitive optimal protein intakes.
  • Exercise performance and muscle adaptation are influenced by adequate protein intake.