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Stable Personality Trait A personality characteristic of someone who does not swing from
one emotion to another, but is usually constant in their emotional behaviour.
State Anxiety Anxiety that is felt in a particular situation. There are two types of state
anxiety - somatic - the body's response and cognitive - psychological worry over the situation.
Static Active Stretching A performer moves the joint into its fully stretched position
themselves without any assistance and holds for 10-30 seconds.
Static Flexibility The range of motion about a joint without reference to speed of
movement.
Static Passive Stretching A performer moves the joint just beyond the point of resistance
with assistance and holds for 10-30 seconds.
Stereotype A belief held by a collection of people about traits shared by a certain category
of person.
Streamlining The creation of smooth air flow around an aerodynamic shape to minimise
air resistance.
,Strength Endurance The ability to sustain repeated muscular contractions over a period of
time withstanding fatigue.
Stretch Reflex A protective mechanism which causes a muscle to concentrically contract
in response to being overstretched.
Stroke A blockage in a cerebral artery cutting off oxygenated blood flow to an area of the
brain or a burst blood vessel within or on the surface of the brain.
Stroke Volume The volume of blood ejected from the left ventricle per beat (resting SV,
approximately 70ml).
Sub-Maximal A low-to-moderate intensity of exercise within a performer's aerobic
capacity.
Sub-Routines The elements, or separate movements, that make up a particular skill.
Sympathetic Nervous System Part of the automatic nervous system responsible for
increasing HR, specifically during exercise.
Systemic Circuit Circulation of blood through the aorta to the body and vena cava back to
the heart.
,Systole The contraction phase of cardiac muscle where the blood is forcibly ejected into
the aorta and pulmonary artery.
Tapering Maintaining the intensity but decreasing the volume of training by one third to
prepare for competition.
Tendon A fibrous connective tissue that attaches a muscle to bone.
Thermal Strain Additional pressure placed on the body by an increase in temperature that
can cause short and long-term negative effects.
Thermic Effect of Food (TEF) The energy required to eat, digest, absorb and use food
taken in, which accounts for a very small percentage of the total energy expenditure.
Tidal Volume The volume of air inspired or expired per breath (resting, approximately
500ml).
Trait Anxiety A trait that is enduring in an individual. A performer with high trait anxiety
has the predisposition or the potential to react to situations with apprehension.
Unbalanced Forces These occur when two forces are unequal in size and opposite in
direction. A net force will be present and the body will change its state of motion, either
accelerating or decelerating.
, Unsaturated Fatty Acids A type of far molecule typically liquid at room temperature,
mainly found in sunflower, olive and fish oils, which can help to lower cholesterol.
Unstable or Neurotic Personality Trait A personality characteristic of someone who is
highly anxious and has unpredictable emotions.
Validity How well a test measures what it claims to measure. It is important for a test to be
valid in order for the results to be accurately applied and interpreted.
Vascular Shunt Mechanism The redistribution of cardiac output around the body from rest
to exercise which increases the percentage of blood flow to the skeletal muscles.
Vasoconstrict Narrowing of the arteries, arterioles and pre-capillary sphincters.
Vasodilate Widening of arteries, arterioles and pre-capillary sphincters.
Vasomotor Control Centre (VCC) The control centre in the medulla oblongata responsible
for cardiac output distribution.
Vasomotor Tone The partial state of smooth muscle constriction in the arterial walls.
Velocity The rate of change in displacement.