Functional Hierarchy of the Motor System Flashcards Preview

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Flashcards in Functional Hierarchy of the Motor System Deck (37)
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31

What area of the spinal cord will flexor reflex affect?

Spreads through several spinal segments

32

What is the effect of a more powerful pain stimulus?

Greater spinal spread, larger response

33

What is the function of facilitation?

Increases the effect of sensory input

34

What is the Babinski sign?

Extension but not flexion of foot, toes fan yp and out (indicates damage/disruption to corticospinal tract)

35

What are the consequences of spinal shock?

Loss os sensation
Loss of bowel, bladder, sexual regulation

36

What causes spinal shock?

Loss of supraspinal excitation, reflexes not evoked for 2-6 weeks

37

What is clonus?

Oscillatory muscle contraction/relaxation caused by stretch