ILOs:

for reflex experiments:

• Describe a 'spinal reflex' and describe the components of a reflex pathway.
• Describe how to elicit a tendon jerk reflex.
• List the segmental root levels of common reflexes (jaw-jerk, biceps, supinator, knee jerk, ankle jerk).
• Describe how a subject can reinforce a reflex and the physiological basis of this.
• Describe how to elicit the 'plantar reflex' and describe the reflex response in a normal adult.
• Describe a 'Babinski-positive' response and explain its significance.
• Describe the effects on reflexes of an injury to the spinal cord

for the physiological basis of sensory testing:

• Describe and explain the concept and significance of the 'sensory unit': a single sensory nerve fibre and the receptors with which it is connected.
• Explain that sensory information is coded in terms of the channel along which nerve impulses are travelling.
• Explain the tracts that give rise to sensation, and the different elements of sensation they encompass.

• Lab Workbook

The Reflex

• What is a spinal reflex?
• Briefly describe the stretch and plantar reflexes
• Outline the stretch reflex when the patellar tendon is hit