definitions Flashcards
(181 cards)
Ability
Inherited, stable traits that determine an individual’s potential to learn or acquire a skill.
Adaptability
The potential to change with ease.
Abduction
Movement away from the midline of the body.
Adduction
Movement towards the midline of the body.
Adrenaline
Natural hormone released to speed heart rate up.
Aerobic
Exercise in the presence of or using oxygen.
Aerobic training zone
The aerobic training zone allows the aerobic system to be trained. To define aerobic training zone: 1. Calculate maximum heart rate (220 bpm) minus age: 220-age. 2. Work at 60-80% of maximum heart rate.
Aggression
A deliberate intent to harm or injure another person, which can be physical or mental.
Agility
The ability to move and change direction quickly whilst maintaining control.
Agonist (prime mover)
Muscle or group responsible for the movement.
Altitude
A geographical area (of land) which is over 2,000 m above sea level.
Altitude training (traditional)
Training at altitude where there is less oxygen. The body adapts by making more red blood cells to carry oxygen.
Altitude sickness
Nausea caused by training at altitude.
Alveoli
Air sacs in the lungs.
Amateur
Someone who takes part in an activity as a hobby, rather than for financial gain.
Anabolic steroids
Artificially produced male hormones mimicking testosterone.
Anaerobic
Working in the absence of enough or without oxygen.
Antagonist
Acts to produce the opposite action to the agonist.
Arousal
A physical and mental state of alertness/readiness.
Articulating bones
Where two or more bones meet to allow movement at a joint.
Artery
Blood vessel with small lumen and thick muscular walls.
Axis
Imaginary line through the body around which it rotates.
Backflow
The flowing backwards of blood.
Balance
The maintenance of the centre of mass over the base of support.