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JOINTS

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Page 1: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

JOINTS

Page 2: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

• A site where two or more bones come together, whether or not movement occurs between them ,is called a joint.

Page 3: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

ARTHROLOGY

Page 4: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

CLASSIFICATION

Page 5: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

FIBROUS JOINTS

Articulating surfaces of bones are joined by connective tissue. Very little movement is posible

•Syndesmoses•Sutures•Gomphoses

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Page 6: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

SYNDESMOSIS

• Two bones bound by ligament only

• Most movable of fibrous joint• Interosseus membranes unite

radius to ulna and tibia to fibula

Page 7: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint
Page 8: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

GOMPHOSIS• a type of fibrous

joint in which a conical process is inserted into a socket-like portion.

•

Page 9: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

CARTILIGAGINOUS JOINTS

These are of two types oPrimaryoSecondary

Page 10: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

PRIMARY CARTILIGINOUS JOINT

• Bones are joined by hyaline cartilage• No movement is

possible

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Page 11: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

PRIMARY CARTILIGINOUS JOINT

–First rib attachment to sternum–Union between epiphysis and diaphysis

Page 12: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

SECONDARY CARTILIGINOUS JOINT

2 bones joined by fibrocartilage•pubic symphysis and intervertebral discs•Only slight amount of movement is possible

Page 13: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

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Page 14: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

STABILITY OF JOINTS

Stability depends on 3 main factors•Shape, size and arrangement of articular surfaces•Associated ligaments•Muscle tone

Page 15: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint
Page 16: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

LIGAMENTS

• Fibrous ligaments prevent excessive movement in a joint , but if stress is continued for an excessively long period ,then ligaments will stretch

Page 17: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint
Page 18: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint
Page 19: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

ELASTIC LIGAMENTS

• Return to their orignal length after stretching

Page 20: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint
Page 21: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint
http://www.hughston.com/hha/b.pfjoint.jpg
Page 22: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

ARTHRITIS

• Arthritis is a broad term for pain and inflammation• Osteoarthritis results from years of joint wear– articular cartilage softens and degenerates– accompanied by crackling sounds called crepitus

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Page 23: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

RHEUMATOID ARTHRITIS

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Page 24: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

JOINT PROSTHESIS

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Page 25: JOINTS. A site where two or more bones come together, whether or not movement occurs between them,is called a joint

Joints. Joints (articulation) Defined: A point of contact between bones, between cartilage and bones, or between teeth and bones. – When two bones articulate

Joints. Fixed (Fibrous joints) No movement occurs between the bones involved. Held in place by fibrous connective tissue On impact bone fracture rather

SKELETONS AND JOINTS. FUNCTIONS SHAPE AND SUPPORT – provides a frameSHAPE AND SUPPORT – provides a frame MOVEMENT – occurs where bones meetMOVEMENT –

Articulations of bones Functions of joints ◦ All joints hold bones together ◦ Allow for mobility Ways joints are classified ◦ Functionally ◦ Structurally

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