Non-Systems NPTE Practice Exam

What traction force is typically used in the acute phase of the lumbar spine?

1-3 minutes 10-20 pounds 30-40 pounds 60-80 pounds

Correct Answer:

30-40 pounds

Explanation:

In the acute phase of lumbar traction, the goal is to unload the spine without provoking inflammation. A moderate traction force around 30-40 pounds provides enough vertebral separation and soft-tissue stretch to help relieve nerve irritation while staying gentle on irritated tissues. Too little force, like 10-20 pounds, may not produce meaningful unloading; too much force, such as 60-80 pounds, can aggravate symptoms in the acute stage. So, 30-40 pounds is the best balance for initial lumbar traction in this phase.

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