Closed Fist Percussion Test | Thoracic Compression Fracture

If you see a patient with sudden back pain, that comes to you without a referral from the GP or a specialist, the first thing you want to do is to screen for serious pathologies. Osteoporotic compression fractures are the most common red flag in the vertebral spine with a prevalence of 25% in women over the age of 65 and 40% over the age of 80.

According to Langdon et al. (2010), the closed-fist percussion test has a sensitivity of 87,5% and a specificity of 90% in the detection of symptomatic fractures of the spine.

To perform the test, stand behind your patient and have him stand in front of a mirror so you can gauge their reaction. Then place one hand on your patient’s spine and perform closed-fist percussions with the other hand along the spine. This test is positive if your patient complains of sharp, sudden pain. Another common test for thoracic compression fractures is the Supine Sign.

21 OF THE MOST USEFUL ORTHOPAEDIC TESTS IN CLINICAL PRACTICE

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If you want to screen for fractures in other body parts, check out the list below:

• Caradeniz Wrist Rules (Wrist)
• Elbow Extension Test (Elbow)
• Patellar Pubic Percussion Test (Hip)
• Fulcrum Test (Femur)
• Ottawa Knee Rules (Knee)
• Ottawa Ankle Rules (Ankle & Foot)

References

Langdon, J., Way, A., Heaton, S., Bernard, J., & Molloy, S. (2010). Vertebral compression fractures–new clinical signs to aid diagnosis. The Annals of The Royal College of Surgeons of England, 92(2), 163-166.