Anatomical Basis of Saturday Night Palsy

Clinical Manifestations and Symptoms

Saturday Night Palsy, also known as radial nerve compression neuropathy, occurs due to prolonged external compression of the radial nerve. This commonly happens when an individual sleeps with their arm draped over a chair or other hard surface, leading to nerve damage.

Anatomical Considerations

The radial nerve, originating from the brachial plexus, travels along the posterior aspect of the arm, wrapping around the humerus in the spiral groove. Compression in this region can lead to impaired nerve function.

Symptoms

• Weakness in wrist and finger extension (wrist drop)
• Numbness or tingling along the radial nerve distribution
• Difficulty gripping objects due to extensor muscle impairment
• Loss of sensation in the dorsum of the hand

Diagnosis and Management

Diagnosis is typically clinical, supported by electromyography (EMG) and nerve conduction studies. Conservative management includes rest, splinting, and physiotherapy. In severe cases, surgical intervention may be required.

Preventive Measures

• Avoid prolonged pressure on the radial nerve
• Maintain proper sleeping posture
• Use cushioned arm supports

Conclusion

Saturday Night Palsy is a preventable condition. Proper awareness and ergonomic adjustments can significantly reduce the risk of nerve compression and long-term dysfunction.