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NPTAE Musculoskeletal > Muscles and Joint Receptors > Flashcards

Muscles and Joint Receptors Flashcards

1
Q

Free Nerve Endings: Location

A

joint capsule, ligaments, synovium, fat pads

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2
Q

Golgi Ligament Endings: Location

A

ligaments, adjacent to ligament’s bony attachment

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3
Q

Golgi-Mazzoni Endings: Location

A

joint capsule

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4
Q

Pacinian Corpuscles: Location

A

fibrous layer of joint capsule

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5
Q

Ruffini Endings: location

A

fibrous layer of joint capsule

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6
Q

Free Nerve Endings: Sensitivity

A

type 1 = non-noxious mechanical stress

type 2 = noxious mechanical stress/ biochemical stimuli

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7
Q

Free Nerve Endings: Distribution

A

all joints

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8
Q

Golgi Ligament Endings: Sensitivity

A

tension/stretch on ligaments

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9
Q

Golgi Ligament Endings: Distribution

A

majority of joints

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10
Q

Golgi-Mazzoni Endings: Sensitivity

A

compression of joint capsule

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11
Q

Golgi-Mazzoni Endings: Distribution

A

knee joint, joint capsule

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12
Q

Pacinian Corpuscles: Sensitivity

A

high frequency vibration, acceleration, high-velocity changes in joint position

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13
Q

Pacinian Corpuscles: Distribution

A

all joints

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14
Q

Ruffini Endings: Sensitivity

A

stretching of joint capsule: amplitude and velocity of joint position

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15
Q

Ruffini Endings: Distribution

A

greater density in proximal joints, particularly in capsular regions

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16
Q

Muscle Spindles: Location

A

throughout muscle belly

17
Q

Muscle Spindles: Function

A

send info regarding muscle length/ rate of change in length to nervous system
important for control of posture & involuntary movments, assists gamma system

18
Q

Golgi Tendon Organ: Location

A

around muscle fibers @ tendons

19
Q

Golgi-Tendon Organ: Function

A

sensitive to tension, especially when produced by active muscle contraction
transmits info about tension/ rate of change of tension to nervous system

NPTAE Musculoskeletal (13 decks)

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