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A&P 1 > Joints > Flashcards

Joints Flashcards

1
Q

Joints

A

Aka articulations
Location where two or more bones meet

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2
Q

Structure classification

A

Fibrous
Cartilaginous
Synovial

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3
Q

Function classification

A

Sy’narthrosis
Amphiarthrosis
Diarthrosis

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4
Q

Fibrous joints

A

Suture
- connects skull bones with dense connective tissue
Gomphosis
- ligament binding each tooth in its socket
Syndesmosis
- fibrous joint connected by a ligament

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5
Q

Cartilaginous joints

A

Synchondrosis
- Hyaline cartilage present
Symphysis
- Fibrocartilage present

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6
Q

Synovial joints

A

Moveable joints
Articular cartilage and synovial fluid

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7
Q

Synarthrosis

A

Immovable joints
Can be fibrous or cartilaginous

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8
Q

Amphiarthrosis

A

Limitied movement
Can be fibrous or cartilaginous

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9
Q

Diarthrosis

A

Freely moveable / synovial joints

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10
Q

Synovial joint types

A

Plane
Hinge
Pivot
Condylar
Saddle
Ball & socket

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11
Q

Synovial joint function classes

A

Non axial
Uniaxial
Biaxial
Multiaxial (triaxial)

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12
Q

General synovial joint movements

A

Gliding
Angular movements
Rotations
Special movements

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13
Q

Gliding

A
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14
Q

Angular movements

A

Flexion - bending elbow and bringing it up to the body
Extension - straightening out elbow and moving it away from body
Hyperextension - The joint going past anatomical position

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15
Q

Angular movements continued

A

Abduction - moving body part away from midline
Adduction - moving body part towards midline
Circumduction - moving arm to make a “circle in the air” at hand

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16
Q

Rotation

A

A bone twists along the long axis

17
Q

Special movements

A

Opposition - movement of the thumb across the palm
Reposition - return of the thumb to anatomical positon

18
Q

Special movements (2)

A

Depression - movement of a body part in an inferior (down) direction
Elevation - movement of a body part in a superior (up) direction

19
Q

Special movements (3)

A

Protraction - moving a body part in an anterior (forward) direction
Retraction - moving a body part in a posterior (backward) direction

20
Q

Special movements (4)

A

Inversion - rotating the plantar surface towards midline
Eversion - rotating the plantar surface away from midline

21
Q

Special movements (5)

A

Dorsiflexion - pointing toes up towards the head
Plantarflexion - pointing the toes towards the ground

22
Q

Special movements (6)

A

Supination - anatomical position with the thumb out
Pornation - turning the palmer surface to the middle until it faces behind

23
Q

What is sarcolemma

A

The cell membrane of a muscle fiber

24
Q

Caveolae

A

Pockets in the smooth muscle sarcolemma that stores calcium extracellular

25
Q

Myosin light chain kinase

A

The enzyme that aviates by calmodulin. Takes phosphate from ATP and attaches to myosin

A&P 1 (19 decks)

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