2 bones of leg

3 bones of foot

ankle

toes

Articulations of bones

Functions of joints

Ways joints are classified:

FUNCTIONAL CLASSIFICATION OF JOINTS

immovable joints

slightly moveable joints

freely moveable joints

Generally immovable

Immovable or slightly moveable

Freely moveable

Bones united by fibrous tissue – synarthrosis or largely immovable.

-mostly amphiarthrosis -Bones connected by cartilage

examples of cartilaginous joints

Articulating bones are separated by a joint cavity

It is found in the joint cavity

flattened fibrous sacs

Lined with synovial membranes

Filled with synovial fluid

Not actually part of the joint

Elongated bursa that wraps around a tendon

INFLAMMATORY CONDITIONS ASSOCIATED WITH JOINTS

inflammation of a bursa usually caused by a blow or friction

inflammation of tendon sheaths

-inflammatory or degenerative diseases of joints -Over 100 different types -The most widespread crippling disease in the United States

CLINICAL FORMS OF ARTHRITIS

Most common chronic arthritis

Probably related to normal aging processes

An autoimmune disease – the immune system attacks the joints

-Symptoms begin with bilateral inflammation of certain joints -Often leads to deformities