AQA · A-Level · Physical Education
Course version: 7582 · Version from Sept 2016
Drugs in sport: Beta blockers.
Beta blockers are drugs that block beta-adrenergic receptors, reducing the effect of adrenaline and noradrenaline.
Checked against the AQA 7582 specification (opens in a new tab) on .
- Point 5 of 10
- 4 key terms
Study notes
From the checked teaching notes for this specification point.
The idea
Beta blockers are drugs that block beta-adrenergic receptors, reducing the effect of adrenaline and noradrenaline. In A-Level Physical Education, you must know their physiological effects, why athletes use them, and their risks. They lower heart rate, reduce blood pressure, decrease cardiac output, and reduce tremor and anxiety. Consequently, they are used in precision sports such as archery, shooting, snooker, and golf, where steadiness is essential. Side effects include bradycardia, hypotension, fatigue, and, in asthmatics, bronchospasm. Crucially, the World Anti-Doping Agency (WADA) prohibits beta blockers in competition only in certain specified precision sports, rather than imposing a universal ban across all athletic events.
What earns the marks
- Beta blockers block beta-adrenergic receptors, reducing the effects of adrenaline and lowering heart rate and blood pressure.
- Typical users compete in precision sports such as archery, shooting, snooker, and golf.
- Health risks include bradycardia, hypotension, fatigue, dizziness, and dangerous bronchospasms in asthmatics.
- WADA prohibits beta blockers in competition only in certain named precision sports, not universally across all sports.
Common mistakes and how to put them right
Stating that beta blockers are banned in all sports.
Put it right: WADA only bans them in specific precision sports where they offer a distinct advantage.
Thinking beta blockers improve endurance.
Put it right: They reduce heart rate and cardiac output, which actually limits aerobic performance.
Confusing beta blockers with stimulants.
Put it right: Beta blockers calm the body and reduce arousal, whereas stimulants increase it.
Exam tips
- Specify that beta blockers are banned only in certain precision sports when discussing WADA regulations.
- Name specific precision sports (e.g., archery, shooting) where beta blockers give an advantage to make your answer concrete.
- Use correct physiological terminology, such as beta-adrenergic receptors, bradycardia, and cardiac output, when describing effects.
Try the lesson
The start of the Drugs in sport: Beta blockers. lesson, made from checked teaching notes for this specification point.
Have a go first
Which immediate effect do beta blockers have on the body during performance?
Listen
Beta blockers are drugs that block beta-adrenergic receptors, reducing the effect of adrenaline and noradrenaline. In A-Level Physical Education, you must know their physiological effects, why athletes use them, and their risks. They lower heart rate, reduce blood pressure, decrease cardiac output, and reduce tremor and anxiety. Consequently, they are used in precision sports such as archery, shooting, snooker, and golf, where steadiness is essential. Side effects include bradycardia, hypotension, fatigue, and, in asthmatics, bronchospasm. Crucially, the World Anti-Doping Agency (WADA) prohibits beta blockers in competition only in certain specified precision sports, rather than imposing a universal ban across all athletic events. A strong answer earns marks for these points. Beta blockers block beta-adrenergic receptors, reducing the effects of adrenaline and lowering heart rate and blood pressure. Typical users compete in precision sports such as archery, shooting, snooker, and golf. Health risks include bradycardia, hypotension, fatigue, dizziness, and dangerous bronchospasms in asthmatics. WADA prohibits beta blockers in competition only in certain named precision sports, not universally across all sports. Exam tip: Specify that beta blockers are banned only in certain precision sports when discussing WADA regulations.
Key words
Say what each word means before you turn the card.
Beta blockers
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Fine motor control and precision sports
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Cardiovascular and respiratory health risks
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Anti-doping regulations and WADA rules
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See every definition
- Beta blockers
- Drugs that block beta-adrenergic receptors, reducing the effect of adrenaline and noradrenaline.
- Fine motor control and precision sports
- Reduced muscle tremor and anxiety improve steadiness and fine motor control in precision sports such as archery, shooting, snooker and golf.
- Cardiovascular and respiratory health risks
- Side effects include bradycardia, hypotension, fatigue, dizziness and, in asthmatics, dangerous bronchospasms.
- Anti-doping regulations and WADA rules
- The World Anti-Doping Agency prohibits beta blockers in competition only in certain named precision sports, not universally across all sports.
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