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History of Locomotion
Dr. Yates Lecture 1/26/11
22
Other
Graduate
02/04/2011

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Cards

Term
PERSON:
Spinalized animals have the potential to generate well organized bilateral locomotion movements of the hindlimbs
Definition
Sherrington
Term
PERSON:
Half-Center Hypothesis
Spinally transected cats
Alternating flexion/extension of hindlimbs
Activity persisted with deafferentation
Proposed flexor/extensor muscle controlled by two systems of neurons that are mutually ihibitory
Definition
T. Graham Brown
Term
ASIA:
Complete: No motor or sensory function is preserved in the sacral segments S4-5
Definition
Asia A
Term
ASIA:
Incomplete: Sensory but not motor function i preserved below the neurological level and includes the sacral segments S4-5
Definition
Asia B
Term
ASIA:
Incomplete: Motor function is preserved below the neurological level and more than half of key muscles below the neurological level have a muscle grade less than 3.
Definition
Asia C
Term
ASIA:
Motor function is preserved below the neurological level and at least half of the key muscles below the neurological level have a muscle grade of 3 or more.
Definition
Asia D
Term
ASIA:
Motor and sensory functions are normal
Definition
Asia E
Term
Is there one area of the CNS that controls locomotion?
Definition
No, its widely distributed
Term
The spinal cord caudal to the injury has autonomous intrinsic capabilities to generate locomotor movements, when ___ are stimulated or ___ agents are applied.
Definition
Sensory Afferents
Pharmacological
Term
Spinal cord can operate in isolation from ___ commands and ___ feedback.
Definition
Supraspinal
Afferent
Term
Name 2 interactions that work with CPGs to initiate, stop, or modulate locomotion
Definition
Descending Commands
Sensory Information
Term
If there is a change in descending control or elimination of afferent feedback then ___ must occur. This concept suggests ___ can occur.
Definition
Reorganization
Plasticity
Term
Barbeau and Rossignol - ___ even in the adult cat. The adult rate does not recover spontaneous locomotion after complete injury.
Definition
Plasticity occurs
Term
Studies show that training starts when? for how long? How much?
Definition
2-3 days after injury
for 4-6 weeks
Daily
Term
Animal models of SCI include: (2)
Definition
1. Contusion
2. Complete Transection
Term
Where some pathways are still intact
Definition
Contusion
Term
Do we have evidence that a human with a complete SCI can regain independent locomotion after the injury with training?
Definition
NO
Term
Translation from the treadmill to functional ambulation is what?
Definition
A huge step
Term
Do we have evidence that a human with an incomplete SCI can regain independent locomotion after the injury with training?
Definition
Yes
Term
Studies focus on the importance of loading the extremity and achieving hip extension in __
Definition
Stance
Term
Do we have evidence that training a patient to stand and training a patient to walk are different tasks and require training of each task?
Definition
yes
Term
DONE!!!
Definition
THANK GOODNESS!!
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