Category: L
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Liability
An obligation, debt, or responsibility owed to someone; in fitness there is a legal obligation and responsibility to ensure the safety of all participants. Something one is bound to do, or an obligation one is bound to fulfill, by law and justice. A liability may be enforced in court. Liabilities are usually financial or can…
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Lever
Rigid bars that turn about an axis. The axis or fulcrum can be visualized as a pivot point. In the body the bones represent the rigid bars and the joints are the axis (fulcrum). A rigid bar used to modify direction, force, and motion. A type of simple ma chine that provides the user with…
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Level III
Flexing at the hips and knees to lower the body to a position in which the shoulders are at the water’s surface while keeping the feet elevated from the pool bottom for several repetitions.
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Level II
Flexing at the hips and knees to lower the body to a position in which the shoulders are at the water’s surface. The feet will still contact the pool bottom but without the rebounding or jumping forces.
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Level I
Standing in an upright position and rebounding, or pushing off, from the pool bottom.
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Left ventricle
A sending chamber of the heart that pumps the oxygenated blood out of the heart. The ventricle situated on the left side of the heart. The left lower chamber of the heart that receives blood from the left atrium and pumps it out to the body through the aorta. The cavity of the heart that…
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Left atrium
A receiving chamber of the heart where the oxygenated blood arrives from the alveoli in the lungs. The atrium situated on the left side of the heart. The left upper chamber of the heart that receives oxygenated blood from the pulmonary veins. This refers to the top-left chamber within the heart. During every heartbeat, the…
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Lean body mass
The amount of lean tissue in the body comprised of bones, muscle, and organs. A measure of body composition. Fat-free body weight. That fraction of the body exclusive of stored fat. This fraction is considered to be the active metabolic fraction. Lean body mass is the portion of the body that is not associated with…
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Layer technique
A pattern in choreography that can be repeated; the pattern first can be taught via pure repetition, add-on, or pyramid choreography.
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Law of cause and effect
Promotes the premise that internal thoughts are the cause of every effect or result.