How Joints Differ in Design (OCR GCSE Physical Education): Flashcards

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How Joints Differ in Design
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Fibrous joint structure

Dense fibrous connective tissue

Fibrous joint movement type

Immovable (synarthrosis)

Cartilaginous joint structure

Connected by cartilage

Cartilaginous joint movement

Limited movement (amphiarthrosis)

Synovial joint structure

Joint cavity filled with synovial fluid

Synovial joint movement type

Free movement (diarthrosis)

Hinge joint movement planes

One plane (uniaxial)

Ball & socket movement planes

Multiple planes (multiaxial)

Ball & socket joint examples

Shoulder and hip

Pivot joint movement type

Rotational around single axis (uniaxial)

Saddle joint movement planes

Two planes (biaxial)

Saddle joint example

Thumb (carpometacarpal joint)

Plane joint movement type

Limited gliding movements (nonaxial)

Condyloid joint movement planes

Two planes (biaxial)

Synovial joints: stability vs mobility

Prioritise mobility but less stable

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