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Creatine: Clinical Implications for Orthopedic Surgeons.

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Summary
This summary is machine-generated.

Creatine supplementation may enhance muscle mass and strength, particularly in older adults. While generally safe for healthy athletes, evidence in younger populations and postoperative recovery remains limited.

Keywords:
athletescreatineexercisenutritional supplementphosphocreatinesafetysarcopenia

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Area of Science:

  • Sports Science
  • Nutritional Biochemistry

Background:

  • Creatine is a popular supplement used by athletes for performance, muscle gain, and recovery.
  • It plays a crucial role in energy production (adenosine triphosphate - ATP) during high-intensity exercise via the phosphocreatine shuttle.
  • Its use has been prevalent since the 1990s.

Purpose of the Study:

  • To review the fundamental science behind creatine.
  • To explore its potential benefits for athletic performance, muscle mass, and recovery.
  • To assess the safety profile of creatine supplementation.

Main Methods:

  • This is a review article, summarizing existing scientific literature.
  • It synthesizes data on creatine's basic science, physiological roles, and clinical applications.
  • The review examines studies related to supplementation, performance, and safety.

Main Results:

  • Creatine supplementation, especially with resistance training, shows potential for increasing muscle mass and strength in older adults.
  • Limited evidence currently supports its use in pediatric and adolescent populations.
  • Weight gain is the most commonly reported side effect; no adverse renal effects are noted in healthy athletes.

Conclusions:

  • Creatine is a well-established supplement for athletes, with demonstrated benefits in specific populations like older adults undergoing resistance training.
  • Further research is needed to clarify its efficacy in younger individuals and its role in postoperative recovery.
  • The safety profile appears favorable for healthy athletes, with weight gain being the primary noted side effect.