Question

What is the cause of flaccidity or flaccid muscle, specifically attributed to pathology or damage to the anterior horn motor neuron (lower motor neuron)?

Answer 1

Damage to the anterior horn motor neuron can result in flaccidity or flaccid muscle tone. Flaccid paralysis refers to a complete or partial loss of muscle tone, whereas spasticity is observed in upper motor neuron lesions where tone is retained. Other signs of a lower motor neuron lesion include fibrillation, fasciculation, and compromised reflexes.

Step-by-step explanation:

Damage to the anterior horn motor neuron (lower motor neuron) can result in flaccidity or flaccid muscle tone. Flaccid paralysis refers to a complete or partial loss of muscle tone, whereas spasticity is observed in upper motor neuron lesions where tone is retained. Other signs of a lower motor neuron lesion include fibrillation, fasciculation, and compromised reflexes. These occur due to the denervation of the muscle fibers resulting from the pathology or damage to the anterior horn motor neuron.