The key terms/definitions/words copied from Chapter 4 of AQA A2 PE textbook.

HideShow resource information
  • Created by: sfail1
  • Created on: 10-11-13 20:15
Preview of AQA Physical Education - Chapter 4 Key Terms (FOOD, SUPPLEMENTS, PERFORMANCE ENHANCING DRUGS)

First 344 words of the document:

KEY TERMS ­ A2 Chapter 4 ­ The elite performer: food, supplements and performance-enhancing
Dehydration: the condition that occurs when the amount of water in the body falls below normal,
disrupting the balance of sugars and salts (electrolytes) in the body.
Electrolytes: the scientific term for the ions of salts such as sodium. The ions are electrically charged
Electrolytic balance: the proportion or concentration of electrolytes within the fluids of the body.
Hypothermia: a potentially fatal condition occurring when the core body temperate falls below 35
degrees C.
Glycaemic index: a system for ranking carbohydrates according to how quickly they are converted
to glucose and enter the blood stream, raising blood sugar levels.
UK Sport: the UK-wide organisation responsible for delivering world-class sporting success in
conjunction with a range of partner organisations.
Ergogenic aid: a performance enhancing aid or substance, legal or illegal.
Protein drink: a drink that is approximately 70% protein; it is made from powdered substances
mixed with milk, orange juice, etc.
Caffeine: a naturally occurring stimulant. It is no longer listed as a banned substance by WADA or UK
Stimulant: a drug that temporarily quickens some vital process such as in the central nervous
Anxiety: a negative aspect of feeling stress; worries over the possibility of failure.
Diuretic: a drug used to increase urine formation and output.
Bicarbonate of soda: a white soluble compound (NaHCO3) used in effervescent drinks and as an
Soda loading: ingesting sodium bicarbonate to improve the buffering of hydrogen ions during
anaerobic exercise.
Buffering: the ability of the blood to compensate for additions of lactic acid or hydrogen ions and
maintain the pH level.
Elite sport: sport participated in by international performers and/or professionals or by teams
performing at national or international level.
Body mass index (BMI): a statistical comparison of weight and height.
Erythropoietin: a hormone that controls red blood cell production.

Other pages in this set

Page 2

Preview of page 2

Here's a taster:

Anabolic steroid: a hormone that increases protein use and muscle cell production.
Testosterone: a steroid hormone that develops muscle mass and is responsible for the development
of male secondary sexual characteristics.
HGH: artificial human growth hormone, when produces using recombinant DNA, this looks identical to
the natural hormone.
Beta-blocker: a drug that blocks the release of chemicals, such as adrenaline, thereby causing the
heart rate to stay low and helping the performer to stay calm.…read more


No comments have yet been made

Similar Physical Education resources:

See all Physical Education resources »See all resources »