Intro to Motor Systems Flashcards
What is the role of the basal ganglion in motor systems?
Initiation of movment.
What is the role of the cerebellum in motor systems?
Sensory motor coordination
What is the role of the motor cortex in motor systems?
Voluntary Movement
What is the role of the Brainstem in motor systems?
Basic movement and posture
Pocket of CSF below L1
Lumbar cistern
What sensory nerve fibers are in the muscle spindle?
Ia
What sensory nerve fibers are in the golgi tendon organ?
Ib
What is a motor pool?
All of the motor neurons going to a single muscle.
What innervates a muscle spindle?
Gamma motor neuron.
What is spacticity?
Overactivity of gamma motor neurons.
Where are golgi tendon organs
In the connective tissue between a muscle fibre and tendon.
What is the flexion reflex?
Physiologic flexion of limb to painful stimuli with extension of contralateral limb.
