Physical Therapy Assistant Practice Exam

How many degrees of hip flexion are required for gait on a level surface?

1. 10 degrees

2. 20 degrees

3. 30 degrees

4. 40 degrees

The correct answer is: 30 degrees

For gait on a level surface, approximately 30 degrees of hip flexion is essential. This degree of flexion allows for adequate leg advancement during the swing phase of the gait cycle. When the hip flexes to around 30 degrees, it ensures that the foot can clear the ground and move forward smoothly without dragging. This hip flexion is crucial for maintaining an efficient walking pattern and promoting a natural stride length. Insufficient hip flexion may lead to compensatory movements, such as excessive knee flexion or trunk leaning, which can ultimately result in decreased balance and potential injury. Understanding the biomechanics of gait is vital for physical therapy practices, as it informs interventions and exercises aimed at improving patients' mobility and functional capacity.