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20 Cards in this Set

  • Front
  • Back

Adduction

Moving a body part towards the midline

Abduction

Moving a body part away from the midline

Flexion

Decreasing an angle between 2 bones, or bending a body part

Extension

Increasing an angle between 2 bones , or straightening a body part

Rotation

Turning a body part around its own axis

Circumduction

Moving in a circle at a joint

What is a joint

Where 2 or more bones join together

Ligaments

Connective tissue bands that help hold long bones together at joints

Synarthrosis

An immovable or nearly immovable joint

Amphiarthrisis

A joint that is slightly movable.

Diarthrosis/synovial joints

Freely movable joints

Pivot joints

Allow for rotation of 1 bone around another

Hinge joints

Formed between 2 bones where bones can move along only one axis.

Saddle joints

Provides for stability while still allowing flexibility. Allows flexion, extension, adduction, abduction, and circumduction

Plane/gliding joints

Between bones that provide a flat or nearly flat surface that allows for only gliding motion

Ball & socket joints

A ball shaped surface on one bone fits into a cup-like depression of another bone

Ball and socket joints allow for....

Flexion, extension, adduction, abduction, internal and external rotation

Condyloid joints

An ovoid surface/condyle that fits into an elliptical cavity

Condyloid joints allow for...

Flexion, extension, adduction, abduction, and circumduction

Pivot

Rotation