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Capsular Pattern

Definition:

The capsular pattern is a proportional limitation of the passive movements of the elbow:
There is usually more limitation of flexion than of extension.
As a rule, the pro- and supination are not limited; in a severe arthrtitis both rotations may be equally painful at the end of range .

Flexion > Extension

Examples:

 

FLEXION

EXTENSION

PRONATION

SUPINATION

SLIGHT CAPSULAR PATTERN

- 20°

- 10°

Normal

Normal

SEVERE CAPSULAR PATTERN

- 60°

- 45°

++ at end of range

++ at end of range

Meaning

A capsular pattern always indicates a lesion of the joint, whatever its nature may be (= arthritis or capsulitis).
It may be either an acute synovitis or a chronic organised reaction of the fibrous capsule.

Disorders

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