What condition are high lumbar L1-L2 injuries at high risk for, and what is the cause?

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Prepare for your Neural Tube Defects Myelomeningocele/Spina Bifida test with detailed flashcards and multiple-choice questions. Each query is supplemented with hints and explanations. Ace your exam with confidence!

Multiple Choice

What condition are high lumbar L1-L2 injuries at high risk for, and what is the cause?

Explanation:
High lumbar L1–L2 injuries often disrupt the nerves that control the hip abductors, especially the gluteus medius and minimus. Without strong abductors, the femoral head isn’t held securely in the acetabulum during weight-bearing, so the joint becomes unstable and is at risk for hip subluxation or dislocation. This instability is a common consequence in higher-level spinal lesions or spina bifida, where muscle balance around the hip is lost. The other options don’t fit because they aren’t directly caused by loss of hip abductor strength at this level of injury.

High lumbar L1–L2 injuries often disrupt the nerves that control the hip abductors, especially the gluteus medius and minimus. Without strong abductors, the femoral head isn’t held securely in the acetabulum during weight-bearing, so the joint becomes unstable and is at risk for hip subluxation or dislocation. This instability is a common consequence in higher-level spinal lesions or spina bifida, where muscle balance around the hip is lost. The other options don’t fit because they aren’t directly caused by loss of hip abductor strength at this level of injury.

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