MOTOR SYSTEMS: SPINAL CORD

01/04/2000


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Table of Contents

MOTOR SYSTEMS: SPINAL CORD

GENERAL FEATURES OF THE MOTOR SYSTEM

HIERARCHICAL ORGANIZATION

PARALLEL ORGANIZATION

MUSCLES AND NERVES

SKELETAL MUSCLE: ANATOMICAL FEATURES

SKELETAL MUSCLE: ANTAGONISTIC ARRANGEMENT

THE MOTOR UNIT

THE CODING OF CONTRACTILE FORCE

THE MOTOR RESPONSE SYSTEM: SPINAL LEVEL

THE ORGANIZATION OF MOTOR NERVES IN THE SPINAL COLUMN

LOCATION OF CELL BODIES FOR EXTENSORS AND FLEXORS

THE ROLE OF INTERNEURONS

THE ROLE OF LOCOMOTOR GENERATORS

SENSORY FIBERS IN THE MUSCLE

THE MUSCLE SPINDLE AS LENGTH DETECTOR(SENSORY FIBERS)

TWO TYPES OF INTRAFUSAL FIBERS

TWO TYPES OF MOTOR NEURON

STRETCHING AN INTRAFUSAL FIBER SENDS SIGNALS TO CNS

THE ROLE OF GAMMA MOTOR NEURONS IN REGULATING MUSCLE SPINDLE RESPONSE

THE ROLE OF GAMMA MOTOR NEURONS IN REGULATING MUSCLE SPINDLE RESPONSE

GOGLI TENDON ORGANS: TENSION RECEPTORS

SPINAL REFLEXES

THE STRETCH REFLEX (KNEE JERK REFLEX)

KNEE JERK REFLEX

THE INVERSE MYOTACTIC REFLEX

INVERSE MYOTACTIC REFLEX

INVERSE MYOTACTIC REFLEX

THE FLEXOR WITHDRAWAL REFLEX

FLEXOR WITHDRAWAL REFLEX

Author: D. C. Mikulecky

Email: mikuleck@hsc.vcu.edu

Home Page: http://views.vcu.edu/~mikuleck/

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