What are the three types of joints?
Immovable Slightly moveable Freely movable (synovial)
Tell me about immovable joints?
Normally tied together by fibrous cartilage that acts as a shock absorber.
What are the characteristics of slightly moveable joints?
An example is the pelvis which will move slightly during childbirth
What are the advantages of immovable joints?
They can support and protect organs, for examples the skull and the brain, the sternum and heart.
Give another name of slightly moveable joints
Another name is amthiarthroses
Give an example of slightly movable joints
Knees and elbows, as they only move in one direction
There are two types of slightly moveable joints, how do they differ and give examples.
Syndemosis Greek Syn = with Desmosis = a band These are joints that come with 'bands' allowing a bit of movement between the bones, e.g. vertibrea and ribs
What are the three planes of movement? How do they divide the body?
Horizontal. This divides the top and bottom of the body. The superior and inferior portions of the body. Frontal. This divides the anterior and posterior of the body Sagittal Divides the body down the middle. Between the nipples which is what Centaurs show
What are the three influencing factors, for joints, when it comes to movement
- The structure of the bone
- The elasticity of the muscle, ligaments and tendons around the joints
- The bulk of the other tissue of around the joint
There are 21 different types of movements, name ten of them
A, A, C, D, D Fl
E, E, E, F, H Ex, H Fl, Hy
I, L fl, P Fl, P, Pr, R, R, S U ro