Lecture 20: Proprioception

Question 1

What is proprioception for?

Answer 1

Directing and shaping voluntary movement

Question 2

Proprioceptors (receptors in the body)

Answer 2

Joint receptors:
* Joint angle
* Joint capsule tension
Other muscuskleletal receptors
Muscle spindles:
* M. length change
* These are used during tendon tap reflexes
Skin mechanoreceptors:
* Contact with surfaces

Question 3

DCML

Question 4

Proprioceptive ataxia symptoms (vocab)

Answer 4

• Dysmetria (steps are metered accurately and evenly naturally, this means it is interrupted)
• Base-wide or abnormal stance (not being able to tell where limbs are)
• circumduction (swinging limbs out or in)
• Knuckling
• stumbling