Terms Used to Describe Joints and Muscles
Some important terms
Arthritis - refers to inflammation of joint(s) and is characterised by pain, swelling, warmth, tenderness and limited movement.
Enthesitis - refers to inflammation at sites of insertion of tendon, muscle or fascia. Common sites of enthesitis are shown below;
Arthralgia - refers to painful joints without overt swelling.
Myalgia - refers to muscle pain but usually without tenderness or weakness.
Myositis - refers to muscle pain and tenderness, often with weakness.
It is important to have a knowledge of surface anatomy and terminology to describe ranges of joint movement and posture. More information is available in the pREMS section for each joint.
Joint count - a homunculus can be used. Swollen joints can be marked with an x and restricted joints can be circled.