Lesson 4.4

Joints

Chapter 4: The Skeletal System

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• immovable joints–synarthroses -fibrous• slightly movable joints–amphiarthroses -

cartilagenous• freely movable joints–diarthroses -synovial

Categories of Joints

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• sutures– skull

• Syndesmoses– coracoacromial joint– distal tibiofibular joint

• Gomphoses– Teeth in gums

Immovable Joints

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• intercostal cartilage• synchondroses

– sternocostal joint– epiphyseal plates

• symphyses– vertebral joints– pubic symphysis

Slightly Movable Joints

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Freely Movable Joints-uniaxial

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Freely Movable Joints-biaxial

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Freely Movable Joints-multiaxial

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• bursae• tendon sheaths• articular tissues

– articular fibrocartilage– tendons– ligaments

Freely Movable Joint Structures

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Match these words with 1–4 below: skull, diarthroses, amphiarthroses, synarthroses.1. immovable joint2. slightly movable joint3. freely movable joint4. sutures

Review and Assessment