Structure of a Synovial Joint (Edexcel GCSE Physical Education): Flashcards

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Structure of a Synovial Joint
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Bursae

Fluid-filled sacs between tendons & bones

Function of bursae

Cushion between tendons & bones, reduce friction

Articular cartilage

Smooth, slippery tissue covering ends of bones in joint

Functions of articular cartilage

Reduces friction & absorbs shock during movement

Synovial membrane

Thin lining on inner surface of joint capsule

Synovial fluid

Thick, slippery fluid produced by synovial membrane

Functions of synovial fluid

Reduces friction, nourishes cartilage, absorbs shocks

Joint capsule

Tough, fibrous structure enclosing the joint cavity

Function of joint capsule

Provides stability & contains synovial membrane & fluid

Ligaments

Strong, flexible bands connecting bones to other bones

Functions of ligaments

Provide stability & prevent excessive movements

Tendons

Fibrous tissues attaching muscles to bones

Function of tendons

Transmit force from muscles to move bones at joint

Menisci

C-shaped pieces of cartilage in some synovial joints

Functions of menisci

Act as shock absorbers & improve fit between bone ends

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