Spinal motor system reflex locomotion

42
Voluntary Motor Control

Transcript of Spinal motor system reflex locomotion

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Voluntary Motor Control

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Organization of Motor Nervous System

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Spinal Motor Neuron

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Spinal Cord : White Matter

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Spinal Cord

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Motor Unit

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Neuromuscular Junction

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Release of ACh

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Mechanism of Muscle contraction

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Types of Muscle Contraction

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Muscle Types

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The Regulation of Muscle force

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Spinal Animal

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The Motor Pattern for Stepping in Mammals

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Muscle Spindle

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Muscle Spindle: Stretch Receptor

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Stretch Reflex

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Golgi Tendon Organ

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Golgi Tendon Organ

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Feedback Inhibition: Golgi Tendon Organ

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Withdrawal Reflex

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Polysynaptic withdrawal Reflex

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Withdrawal and Crossed Extensor Reflex

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Polysynaptic Reflex

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Cat Walk

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Stepping sequences

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Cat hind limb activity during stepping

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Elements of the central pattern generator are revealed by electrical stimulation of high-threshold cutaneous and muscle afferents (flexor reflex afferents, FRA) in spinal cats treated with L-DOPA (L-dihydrox-yphenylalanine) and nialamide

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Sensory Feedback for walking

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Locomotor Center in Cat

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Mesencephalic locomotor center stimulation in Cat

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Human Locomotion


H-reflex as method to probe spinal circuitry

H-reflex as method to probe spinal circuitry

Objectives - Dr. Victor Arai · Web viewA. Spinal reflexes are somatic reflexes mediated by the spinal cord (pp. 521–526; Figs. 13.15–13.20). 1. In the stretch reflex the muscle

Objectives - Dr. Victor Arai · Web viewA. Spinal reflexes are somatic reflexes mediated by the spinal cord (pp. 521–526; Figs. 13.15–13.20). 1. In the stretch reflex the muscle

Human Responses 2 Nervous system Compared to Endocrine System (hormones) Spinal Cord Reflex action.

Human Responses 2 Nervous system Compared to Endocrine System (hormones) Spinal Cord Reflex action.

Chapter 9 Motor System - 2 Spinal Reflex, Descending Pathways and Cerebellum.

Chapter 9 Motor System - 2 Spinal Reflex, Descending Pathways and Cerebellum.

Central pattern generators for locomotion controlpapers/neuromorphic2008/lectures07/...Biological data on salamander CPG • Locomotion controled by a spinal Central Pattern Generator

Central pattern generators for locomotion controlpapers/neuromorphic2008/lectures07/...Biological data on salamander CPG • Locomotion controled by a spinal Central Pattern Generator

DO NOW Period 8 - · PDF fileis a reflex arc. • B. Reflex Arcs ... Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 45. 46 Spinal Cord A

DO NOW Period 8 - · PDF fileis a reflex arc. • B. Reflex Arcs ... Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 45. 46 Spinal Cord A

CONTROL OF LOCOMOTION IN THE DECEREBRATE CAT · Electroneurogram Flexor reflexafferents Golgitendon organ Iliopsoas ABBREVIATIONS 1. INTRODUCTION It is evident that the reflex, as

CONTROL OF LOCOMOTION IN THE DECEREBRATE CAT · Electroneurogram Flexor reflexafferents Golgitendon organ Iliopsoas ABBREVIATIONS 1. INTRODUCTION It is evident that the reflex, as

Axial Skeleton - Vertebrae Locomotion Protects spinal cord Suspends trunk.

Axial Skeleton - Vertebrae Locomotion Protects spinal cord Suspends trunk.

Reflex - Neurosurgery Resident. Neuroscience Basics/A14-18. Perip… · 20/04/2019  · REFLEX A18 (2) central delay - time taken to traverse spinal cord (for knee jerk it is 0.6-0.9

Reflex - Neurosurgery Resident. Neuroscience Basics/A14-18. Perip… · 20/04/2019  · REFLEX A18 (2) central delay - time taken to traverse spinal cord (for knee jerk it is 0.6-0.9

OLIMPIADA DE BIOLOGIE - static.olimpiade.ro · D. structura arcului ce realizeaza actul reflex 6. Functia reflexa a maduvei: A. are ca substrat anatomic actul reflex spinal B. determina

OLIMPIADA DE BIOLOGIE - static.olimpiade.ro · D. structura arcului ce realizeaza actul reflex 6. Functia reflexa a maduvei: A. are ca substrat anatomic actul reflex spinal B. determina

Spinal Cord, Human Reflex 1. Gross Anatomy of the Adult Spinal Cord 2.

Spinal Cord, Human Reflex 1. Gross Anatomy of the Adult Spinal Cord 2.

Balancing to Resolve Spinal Galant Reflex - Center … balancing to resolve Spinal Galant reflex, using the Brain Gym® balance process that is is referred to in the first article

Balancing to Resolve Spinal Galant Reflex - Center … balancing to resolve Spinal Galant reflex, using the Brain Gym® balance process that is is referred to in the first article

-1- Chapter 17 Central Nervous System The spinal cord Location And External Features Internal Structure the manifestation of spinal reflex and post-trauma.

-1- Chapter 17 Central Nervous System The spinal cord Location And External Features Internal Structure the manifestation of spinal reflex and post-trauma.

Priming Neural Circuits to Modulate Spinal Reflex Excitabilityinjury. Following spinal cord injury (SCI), disruption in communica-tion between the brain and spinal cord causes an imbalance

Priming Neural Circuits to Modulate Spinal Reflex Excitabilityinjury. Following spinal cord injury (SCI), disruption in communica-tion between the brain and spinal cord causes an imbalance

Robotic-assisted locomotion training after Spinal Cord Injury · 2020. 7. 9. · SCI_Clinical Data_2012.doc Robotic-assisted locomotion training after Spinal Cord Injury Since 2001

Robotic-assisted locomotion training after Spinal Cord Injury · 2020. 7. 9. · SCI_Clinical Data_2012.doc Robotic-assisted locomotion training after Spinal Cord Injury Since 2001

Ascending Tracts of spinal cord - AIIMS Rishikesh · loss of motor, sensory reflex & autonomic function. due to temporary physiologic disorganisation of spinal cord function, may

Ascending Tracts of spinal cord - AIIMS Rishikesh · loss of motor, sensory reflex & autonomic function. due to temporary physiologic disorganisation of spinal cord function, may

Legged Robot Locomotion Control Legged Robot Locomotion Control CPG-and-reflex based Control of Locomotion.

Legged Robot Locomotion Control Legged Robot Locomotion Control CPG-and-reflex based Control of Locomotion.

NERVOUS SYSTEM: INJURIES, DISEASES, DISORDERS. Damages to the Reflex Arc & Spinal Cord Injuries _______, __________ or ______ reflex responses indicate.

NERVOUS SYSTEM: INJURIES, DISEASES, DISORDERS. Damages to the Reflex Arc & Spinal Cord Injuries _______, __________ or ______ reflex responses indicate.

Course Guide OTU2 2000-2001 - McGill Universityreflexes: The stretch reflex (pp. 564-580). Mon., Oct. 30 Lecture 14 Dr. Barbeau The flexion reflex and neural control of locomotion

Course Guide OTU2 2000-2001 - McGill Universityreflexes: The stretch reflex (pp. 564-580). Mon., Oct. 30 Lecture 14 Dr. Barbeau The flexion reflex and neural control of locomotion

Reflexes - smbs.buffalo.edu · and the role of the stretch reflex has led to effective treatments for clinically-occurring rigidity. The stretch reflex circuit is in the spinal cord.

Reflexes - smbs.buffalo.edu · and the role of the stretch reflex has led to effective treatments for clinically-occurring rigidity. The stretch reflex circuit is in the spinal cord.