Bone spur

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  Heberden's node

  Heberden's nodes, named for William Heberden (1710-1801), are hard or bony swellings that can develop in the distal interphalangeal joints (DIP) (the joints closest to the end of the fingers and toes). They are a sign of osteoarthritis and are caused by formation of osteophytes (calcific spurs) of...
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  Edema

  Edema (American English) or oedema (British English; both words from the Greek οἴδημα), formerly known as dropsy or hydropsy, is an abnormal accumulation of fluid beneath the skin or in one or more cavities of the body. Generally, the amount of interstitial fluid is determined by the balance of...
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  Spasm

  A spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ, or a similarly sudden contraction of an orifice. It is sometimes accompanied by a sudden burst of pain, but is usually harmless and ceases after a few minutes. Spasmodic muscle contraction may also be...

• Crepitus

  Crepitus is a medical term to describe the grating, crackling or popping sounds and sensations experienced under the skin and joints. The sound can be created when two rough surfaces in the human body come into contact - for example, in osteoarthritis or rheumatoid arthritis when the cartilage...

• Bouchard's nodes

  Bouchard's nodes are hard, bony outgrowths or gelatinous cysts on the proximal interphalangeal joints (the middle joints of fingers or toes.) They are a sign of osteoarthritis, and are caused by formation of calcific spurs of the articular (joint) cartilage. Bouchard's nodes are comparable in...

• Stiffness

  Stiffness is the resistance of an elastic body to deformation by an applied force. It is an extensive material property. The stiffness, k, of a body is a measure of the resistance offered by an elastic body to deformation (bending, stretching or compression). where In the International System of...

• Arthralgia

  Arthralgia (from Greek arthro-, joint + -algos, pain) literally means joint pain; it is a symptom of injury, infection, illnesses (in particular arthritis) or an allergic reaction to medication. According to MeSH, the term "arthralgia" should only be used when the condition is non-inflammatory, and...

• Bunion

  A bunion is a structural deformity of the bones and the joint between the foot and big toe, and may be painful. A bunion is an enlargement of bone or tissue around the joint at the base of the big toe (metatarsophalangeal joint).The big toe may turn in toward the second toe (angulation), and the...