OT 531 Musculoskeletal Anatomy (Elbow Joint)

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8 Terms

1
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name the three joints formed by bones of the elbow joint

humero-ulnar joint

humero-radial joint

radio-ulnar joint

2
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what type of joint & what actions: humero-ulnar joint

hinge joint; flexion/extension

3
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what type of joint & what actions: humero-radial joint

ball & socket joint; flexion/extension & supination/pronation

4
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what type of joint & what actions: radio-ulnar joint

pivot joint; supination/pronation

5
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why is the elbow joint important?

assists your shoulder in the application of force

ex. pushing with shoulder vs. pushing with shoulder & elbow (MORE FORCE)

6
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elbow joint controls....

placement of hand in space

7
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what landmarks are located on posterior aspects of elbow joint?

olecranon process

medial & lateral epicondyle

8
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what keeps radius and ulna from splitting apart when you fall?

interosseous membrane & pronator quadratus