Basal Metabolic Rate

WHAT IS BMR? WHAT ARE THE FACTORS AFFECTING BMR

  • BMR is basal metabolic rate.
  • Basal Metabolic Rate is the minimal caloric requirement needed to sustain life in a resting individual.
  • This is the amount of energy your body would burn if you slept all day (24 hours).

 

FACTORS AFFECTING BMR :

  • AGE: In youth, the BMR is higher; age brings less lean body mass and slows the BMR.
  • HEIGHT: Tall, thin people have higher BMR.
  • GROWTH: Children and pregnant women have higher BMR.
  • BODY COMPOSITION: More the lean mass tissue, higher is the BMR, more fat tissue, lower is the BMR.
  • FEVER: Fevers can raise BMR
  • STRESS: Stress hormones can raise the BMR
  • ENVIRONMENTAL TEMPRETURE: Both the heat and cold raise the BMR
  • FASTING / STARVATION: Fasting and starvation lowers the BMR
  • MALNUTRITION: Malnutrition lowers the BMR
  • THYROXIN: The thyroid hormones thyroxin is the key BMR regulator , more thyroxin produced , the higher the BMR

 

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