Soc 13 Flashcards

1
Q

Flexion

A

bending movement that

decreases the angle between body parts

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2
Q

Extension

A

straightening movement that

increases the angle between body parts

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3
Q

Adduction

A

movement that pulls towards

the midline of the body

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4
Q

Abduction

A

movement that pulls away

from the midline of the body

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5
Q

Rotation

A

movement around a single axis

or pivot point

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6
Q

Circumduction

A

moving in a circular or

conical shape

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7
Q

Dorsi-flexion

A

bending or flexing the toes up, closer to

the shin

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8
Q

Plantar-flexion

A

extending or pointing

the toes down, away from the shin

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9
Q

Flexion

A

Soulder hip elbow

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10
Q

Extention

A

Shoulder hip elbow

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11
Q

Adduction

A

Shoulder hip

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12
Q

Abduction

A

Shoulder hip

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13
Q

Rotation

A

Shoulder hip

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14
Q

Circumduction

A

Shoulder hip

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15
Q

Dorsi flexion

A

Ankle

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16
Q

Planter flexion

A

Ankle

17
Q

Pivot joint

A

Pivot joints allow bones to rotate. In a pivot joint, one bone shaped like a
cylinder rotates inside another bone or ligament that makes a ring round it.
You have three pivot joints in your body: in your wrist, elbow and neck.

18
Q

Hinge joint

A

A hinge joint is a joint that allows only backward and forward motion - just like
the hinge on a door. There are three hinge joints: the knee, elbow and ankle.

19
Q

Ball and socket

A

In a ball and socket joint, the rounded head of a long bone (the ball) fits
into a cup-shaped hole (the socket). Both the hip and the shoulder joints
are ball and socket joints. With the hip, the long femur fits into the pelvis;
with the shoulder, the long humerus fits into the scapula. In both the hip
and the shoulder the bones are covered with cartilage and reinforced with
ligaments, but the shoulder joint has more freedom than the hip and is
capable of more variety and a bigger range of movement.

20
Q

Condyloid joints

A

A condyloid joint is similar to a ball and socket joint, but the ball rests against
the end of a bone, rather than inside a socket. This allows circular motion.