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 Bristol Free School

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Definitions and Meanings

Training, movement analysis and data.

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the ability to move and change direction quickly, at speed, while maintaining control.
maintaining the centre of mass over the base of support. Balances can be dynamic or static.
the ability to use two or more different parts of the body together, smoothly and efficiently.
the force required to move the load. It can also be referred to as 'force'.
the distance from the effort to the fulcrum.
the range of movement possible at a joint.
the fixed point at which a lever turns or is supported. It can also be referred to as the 'axis'.
a rigid bar that turns about an axis to create movement. All levers contain a fulcrum, load and effort.
the weight or 'resistance' that the lever must move.
the distance from the load to the fulcrum.
measures the efficiency of a lever. It is calculated as follows: mechanical advantage = effort arm/load (resistance) arm.
the ability of a muscle or muscle group to undergo repeated contractions, avoiding fatigue.
the product of strength and speed. Power = strength x speed.
data that focuses on understanding things: involves descriptions about people's opinions, the way they feel/think/behave. Analysing qualitative data gives you a subjective answer to your question.
data that focuses on measuring things and involves numbers. Quantitative data involves facts: it gives you an objective answer to your question.
the time taken to initiate a response to a stimulus.
the maximum rate at which an individual is able to perform a movement or cover a distance in a period of time. Speed = distance/time.
the ability to overcome resistance. There are four types of strength: maximal, explosive, dynamic and static.
Effort arm
Load arm
Mechanical advantage
Muscular endurance
Qualitative data
Quantitative data
Reaction time