Soc 13 Joints, Movements, Liagments And Tendons Flashcards

1
Q

Name the 4 types of joints

A

Pivot
Hinge
Ball and socket
Condyloid

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2
Q

What does the povot joint do

A

Permits movement of the bones in one oane,such as rotation around single axis

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3
Q

What does hinge joint do

A

Allows flexion and extension in one pane with small degrees of motion in other panes

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4
Q

What does ball and socket joint do

A

Allow,backward,forward,sideways and rotating movement

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5
Q

What does condyloid joint do

A

Allows,flexion,extension and adduction movement

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6
Q

What are the 8 movements

A

Flexion
Extension
Adduction
Abduction
Rotation
Circumduction
Dorsi-flexion
Plantar-flexion

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7
Q

What is flexion

A

Bending movement that decreases the angle between body parts

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8
Q

What is extension

A

Straightening movement that increases the angle between body parts

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9
Q

What is adduction

A

Movement that pulls towards midline of the body

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10
Q

What is abduction

A

Movement that pulls away from midline of the body

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11
Q

What is rotation

A

Movement around a single axis or pivot point

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12
Q

What is circumduction

A

Moving in a circular or conical shape

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13
Q

What is dorsi-flexion

A

Bending or flexing toes up,closer to the shin

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14
Q

What is plantar-flexion

A

Extending or pointing toes,away from the shin

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15
Q

Where is the pivot located

A

It is located in the neck e.g atlas and axis

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16
Q

Where is hinge located

A

It is located in knee,elbow and ankle e.g humerus,ulna

17
Q

Where is ball and socket located

A

It is located at shoulder and hip e.g humerus and ulna

18
Q

Where is condyloid located

A

It is located at wrist e.g radius,ulna,scaphoid amd lunate

19
Q

An example of flexion

A

Completing a bicep curl(upwards motion)

20
Q

An example of extension

A

A swimmer swings arms backeards in preperation for racing dive

21
Q

An example of adduction

A

A golfer on the swings the clubs down towards the ball

22
Q

Example of abduction

A

A gymnast moves arms sideways at the shoulder

23
Q

Example of rotation

A

A tennis player serves

24
Q

Example of circumduction

A

A cricketer bowls a ball

25
Example of Dorsi-flexion
Sprinter position their feet in starting blocks
26
Example of plantar-flexion
A floor gymnast points their toes
27
What is a tendon
Tendons are non-elastic fibres that attach muscle to bone and help to move them. Tendons let you apply power and movement. Tendons also grow in strength the more you use them.
28
What is a ligament
Ligaments are elastic fibres that joins bone to bone, usually to hold things together and keep them stable. They keep your skeleton supported whilst allowing movement.