functional anatomy definitions Flashcards

1
Q

antagonist pairs

A

pairs of mucles that work together to produce movement. the contractor is the agonist and the relaxer is the antagonist

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2
Q

origin point of a muscle

A

the attachment of a muscle to the bone that does NOT move when a muscle contracts, at the PROXIMAL end (closer to midline)

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3
Q

insertion point of a muscle

A

the attachment of a muscle to the bone which moves more when the muscle contracts, at the DISTAL end (further from midline)

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4
Q

Reciprocal Inhibition

A

The coordinated relaxing of muscles on one side of the joint to accommodate contraction on the other side of that joint

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5
Q

Fixator muscles

A

also known as stabilisers, muscles that hold or stabilitse a body part during contractions, making it immobile while another body part is moving

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6
Q

Synergist muscles

A

assist movement by stabilising and controlling the surrounding muscles to produce smooth, controlled movement

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7
Q

diffusion

A

the movement of substances from an area of high concentration to an area of low concentration through a semi-permeable membrane

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8
Q

vasilodation

A

blood vessels opening up to allow more blood flow

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9
Q

vasoconstriction

A

blood vessels contracting to reduce blood flow

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10
Q

systemic circulation

A

carries blood from the heart to all parts of the body (not the lungs) and back again

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11
Q

pulmonary circulation

A
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