joints of the human body where two bones come together is called a joint. three (3) kinds of...

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Joints of the Human Body * Where two bones come together is called a joint. * Three (3) kinds of joints: 1) Immoveable – ex. Fused bones of the skull 2) Slightly moveable – small amount of movement is possible. Ex. Vertebrae 3) Fully moveable – joint is contained within a special capsule, with a ligament helping to hold the bones in place.

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Page 1: Joints of the Human Body *Where two bones come together is called a joint. *Three (3) kinds of joints: 1) Immoveable – ex. Fused bones of the skull 2)

Joints of the Human Body

* Where two bones come together is called a joint.

* Three (3) kinds of joints:

1) Immoveable – ex. Fused bones of the skull

2) Slightly moveable – small amount of movement is possible. Ex. Vertebrae

3) Fully moveable – joint is contained within a special capsule, with a ligament helping to hold the bones in place.

Page 2: Joints of the Human Body *Where two bones come together is called a joint. *Three (3) kinds of joints: 1) Immoveable – ex. Fused bones of the skull 2)

* Ligaments are connective tissue which are flexible and have a small amount of elasticity. To prevent friction there is cartilage synovial membrane that lines the capsule and

secretes synovial fluid.

* The capsule forms a tight seal around the joint to prevent the fluid from escaping

Page 3: Joints of the Human Body *Where two bones come together is called a joint. *Three (3) kinds of joints: 1) Immoveable – ex. Fused bones of the skull 2)

Page 4: Joints of the Human Body *Where two bones come together is called a joint. *Three (3) kinds of joints: 1) Immoveable – ex. Fused bones of the skull 2)

* Moveable joints are grouped according to some special characteristics they posses.

* Ball-and–socket allows movement in almost any direction ex. Shoulder and hip.

Page 5: Joints of the Human Body *Where two bones come together is called a joint. *Three (3) kinds of joints: 1) Immoveable – ex. Fused bones of the skull 2)

* Hinge – allows movement in one plane only. Two way ex. Elbow and knee

Page 6: Joints of the Human Body *Where two bones come together is called a joint. *Three (3) kinds of joints: 1) Immoveable – ex. Fused bones of the skull 2)

Pivot – radial or circular motion. Ex. Radius at elbow, neck (side to

side)

Page 7: Joints of the Human Body *Where two bones come together is called a joint. *Three (3) kinds of joints: 1) Immoveable – ex. Fused bones of the skull 2)

Gliding – more limited movement, one part slides over another ex. Vertebrae,

hands, feet

Page 8: Joints of the Human Body *Where two bones come together is called a joint. *Three (3) kinds of joints: 1) Immoveable – ex. Fused bones of the skull 2)

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