Muscle Spindles Flashcards

1
Q

Name the two examples of proprioceptors this card deck is all about?

A

MUSCLE SPINDLES
+
GOLGI TENDON ORGANS (GTOs)

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2
Q

_________________ is the ability to know where your body is in space without the use of vision.

A

PROPRIOCEPTION

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3
Q

Muscle spindles detect which two things?

A
  1. RATE OF CHANGE IN MUSCLE LENGTH (STRETCH)

2. STATIC LENGTH OF THE MUSCLES

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4
Q

Muscle spindles are especially abundant in the ________ and ________, with muscles capable of fine contractions.

A

HAND
and
FOOT

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5
Q

Name 2 small muscles where muscle spindles are scarce?

A

TONGUE
+
OCULAR MUSCLES

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6
Q

What is the unipolar neuron coming from a muscle spindle referred to as?

A

1a fibre

one ‘a’ fibre

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7
Q

A muscle spindle sends information about ___________ to the CNS.

A

STRETCH

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8
Q

Gamma motor neurons from CNS _____________ intrafusal fibres.

A

INNERVATE

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9
Q

Alpha motor neurons (MN) are located externally on the __________ ____________.

A

EXTRAFUSAL FIBRES

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10
Q

Gamma motor neurons (MN) are located internally on the __________ ____________.

A

INTRAFUSAL FIBRES

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11
Q

Intrafusal fibres are located inside __________ __________.

A

MUSCLE SPINDLES

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12
Q

Describe 1a fibre?

A

UNIPOLAR NEURON COMING FROM A MUSCLE SPINDLE FIBRE

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