OPC Orthotics Written Practice Questions - OPC Orthotics Written Certification Examination Exam

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During observational gait analysis, you observe that a patient exhibits vaulting (premature plantarflexion) on the contralateral limb during the swing phase of the orthotic limb. Which of the following is the most likely cause of this deviation?

The orthosis is too short, causing a leg length discrepancy. Inadequate clearance of the orthotic limb due to excessive dorsiflexion resistance or weakness of hip/knee flexors. Contralateral hip abductor weakness causing Trendelenburg sign. Excessive heel lift on the orthotic side.

Correct Answer:

Inadequate clearance of the orthotic limb due to excessive dorsiflexion resistance or weakness of hip/knee flexors.

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