NR 548 FINAL EXAM - QNS AND ANS

Compensated trendelenburg gait shifts GRFV through the painful hip joint to stabilize the joint and decrease torque. Without compensation, abductor muscles have to contract against adduction moment, which causes compression at the hip joint.

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85% of people with Parkinsons disease have difficulty walking within 3 years of diagnosis.

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75% of people with MS experience mobility problems.

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50% of people who have strokes regain community mobility.

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Gait refers to the pattern of movement of the limbs during locomotion. Walking is one form of locomotion. Mobility refers to the ability to safely and independently move from one point to another.

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1. Sensory: afferent input
2. Spinal cord: central pattern generators
3. Supraspinal: cortical systems for complex navigation (obstacles, etc.) to adapt gait pattern.

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CPG is a network of neurons and inter-neurons in the spinal cord that generate coordinated movements autonomously. They are modified by ascending and descending signals from the cortex and the periphery.

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Hip extension and unloading of ankle plantarflexors.

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