Health Medical Homework Help

1. Explain the size principle of force recruitment and provide an example.

Specifications for credit: 

• Describes the relationship between motor unit size and the amount of force needed for a behavior
• Provides a real-world example demonstrating this principle

2. Explain the role and mechanism of alpha-gamma co-activation.

Specifications for credit: 

• Describes the function of alpha-gamma co-activation
• Describes the way alpha-gamma co-activation operates

3. Explain how the presentation of facial palsy in a patient allows you to distinguish between UMN and LMN deficits to the facial motor nucleus.

Specifications for credit: 

• Describes the two different types of facial palsy
• Relates the two types of facial palsy to UMN and LMN lesions
• Explains why the two lesion types lead to the symptoms found in each facial palsy type