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What is the three functional types of articulations && explain the "R.O.M." of each?
1. Synathrosis...no R.O.M.
2. Amphiathrosis....Little R.O.M.
3. Diarthrosis.....Free R.O.M.
What are the three structural types of articulations?
What are the 4 different factors that influence joint stability?
1. Shape of the articulating bone ends
2. Strength of joint capsule
3. Strength of surrounding muscles
4. Location of ligaments.
How does joint stability compare to joint mobility?
Joint stability is inversely proportional to joint mobility
What are the 3 possible directions bone ends can move against each other?
1. Linear Motion
2. Angular Motion
3. Rotational Motion
How would you describe Linear Motion in regards to motion of a synovial joint?
Bone slides against other bone
How would you describe Angular Motion in regards to motion of a synovial joint?
Bone open/closes against other bone
How would you describe Rotational Motion in regards to motion of a synovial joint?
Bone twirls against other bone