Basic Exercise Science - Endocrine System

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1

Primary endocrine glands

Hypothalamus
pituitary
thyroid
adrenal

2

Pituirary gland

The "Master Gland" .....
.... it controls the functions of the other endocrine glands.

3

Carbohydrate

Primary energy source during vigorous exercise

4

Insulin

Helps regulate energy and glucose metabolism in the body

5

Glucagon

opposite effect to that of insulin.... it raise blood glucose levels by triggering the release of glycogen stores from the liver

6

Catecholamines

Epinephrine (adrenaline) and norepinephrine - hormones produced by the adrenal glands. Part of fight or flight response

  • increases heart rate and sroke volume
  • elevates blood glucose levels
  • redistributes blood to working tissues
  • opens up the airways
7

Testosterone and Estrogen

Testosterone male hormone (10 times more in men that women).... plays a role in growth and repair of tissue. Raised levels of testosterone are indicative of an anabolic (tissue building) training status.

Estrogen has influence on fat deposition around the hips, buttocks and thighs

8

Cortisol

Typically referred to as a catabolic hormone (associated with tissue breakdown)
Overtraining, excessive stress, poor sleep, and bad nutrition can lead to raised levels of cortison. High levels of cortison can lead to significant breakdown of muscle tissue along with other potentially harmful side effects

9

Growth Hormone

released from pituitary gland and regulated by hypothalamus.

10

Thyroid Hormone

Releases vital homones that are primarily responsibe for human metabolism.