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Nervous System > Skeletal System 3 > Flashcards

Skeletal System 3 Flashcards

1
Q

What are Bursae?

A

Sac-or tea bag like structures that are located in areas of heavy friction such as the knee, and shoulder joints

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2
Q

Structure of Bursae?

A

Resemble the structure of synovial joints – they contain double membrane filled with fluid

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3
Q

What are Tendon sheaths?

A

Synovial sheaths that resemble tube-bursae that wrap around tendons to reduce friction

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4
Q

What is the structure of Tendon sheaths?

A

Contain an outer parietal (connect to bone) and inner visceral layer (connect to tendon surface) which house synovial fluid between them

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5
Q

What are the functions of tendon sheaths?

A

Enable the free gliding and movement of tendons

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6
Q

What is flexion & extension? (Plane?)

A

Angular movements that increase or decrease the angle between joints - Sagittal plane

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7
Q

What is flexion?

A

Bending - decrease of joint angle and an anterior move from the anatomical position

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8
Q

What is extension?

A

Stretch out - increase of joint angle and return of joint to anatomical position

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9
Q

What is hyperflexion?

A

Stretching of joint beyond resting anatomical state posteriorly

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10
Q

What is abduction?

A

Movement away from midline

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11
Q

What is adduction?

A

Movement towards midline

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12
Q

Which plane do adduction & abduction occur in?

A

Coronal or frontal plane

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13
Q

What is circumduction?

A

Combination of flexion, extension, adduction, abduction and rotation & occur mainly in ball-socket joints

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14
Q

What is rotation?

A

Bone revolves around its longitudinal axis

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15
Q

What is Medial rotation?

A

Inner rotation towards the midline of body

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16
Q

What is lateral rotation?

A

External rotation towards sides of body

17
Q

What are special movements?

A

Only occur in some joints

18
Q

What is inversion?

A

Movement of sole towards medial

19
Q

What is eversion?

A

Movement of sole towards sides

20
Q

What is dorsiflexion?

A

Movement of ankle towards shin

21
Q

What is planterflexion?

A

Movement of ankle towards floor or planter

22
Q

What is Supination?

A

Palms facing forward = hold soup palm up

23
Q

What is Pronation?

A

Palm facing backwards

24
Q

What is the difference in fetal skull?

A

Incomplete at birth, with gaps

25
Q

What structures do fetal skull contain?

A

Unformed sutures called fontanels which are unossified remnants of fibrous membrane

26
Q

What are the benefits of fontanels?

A

Allow the compression of fetal skull during birth and enable future brain growth.

Nervous System (17 decks)

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