Joint locking (symptom)

Not to be confused with Joint lock.

In medicine, joint locking is a symptom of pathology in a joint. Joint locking is a common symptom of:

Causes of joint locking include "joint mice": loose fragments of cartilage or cartilage and bone, that float in the joint.^[1]

References

↑ Hixon AL, Gibbs LM (January 2000). "What Should I Know About Osteochondritis Dissecans?". American Family Physician 61 (1): 158.

Symptoms and signs: nervous and musculoskeletal systems (R25–R29, 781.0, 781.2–9)

Primarily nervous system

Primarily CNS

Movement disorders	Dyskinesia: Athetosis Tremor Dyskinesia

Gait abnormality	Scissor gait Cerebellar ataxia Festinating gait Marche a petit pas Propulsive gait Stomping gait Spastic gait Magnetic gait

Lack of coordination	Dyskinesia: Ataxia Cerebellar ataxia/Dysmetria Sensory ataxia Dyssynergia Dysdiadochokinesia Asterixis

Other	Abnormal posturing: Opisthotonus Sensory processing disorder: Hemispatial neglect Facial weakness Hyperreflexia Pronator drift

Primarily PNS

Gait abnormality	Steppage gait Antalgic gait

Primarily muscular

Movement disorders	Spasm Trismus Fasciculation Fibrillation Myokymia Cramp

Gait abnormality	Myopathic gait Trendelenburg gait Pigeon gait

Other	Tetany Meningism

Primarily skeletal

Primarily joint

Joint locking

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