10a motor system locomotion

34
Voluntary Motor Control

description

 

Transcript of 10a motor system locomotion

Page 1: 10a motor system locomotion

Voluntary Motor Control

Page 2: 10a motor system locomotion

Control of voluntary movement

IdeaAssociation

cortexPremotor +

Motor cortex

Basal Ganglia

Lateral cerebellum

Movement

Intermediate Cerebellum

ExecutionPlanning

Page 3: 10a motor system locomotion

Organization of Motor Nervous System

Page 4: 10a motor system locomotion

Spinal Motor Neuron

Page 5: 10a motor system locomotion

Spinal Cord: Grey matter

Page 6: 10a motor system locomotion

Motor Unit

Page 7: 10a motor system locomotion

Neuromuscular Junction

Page 8: 10a motor system locomotion

Release of ACh

Page 9: 10a motor system locomotion
Page 10: 10a motor system locomotion
Page 11: 10a motor system locomotion

Mechanism of Muscle contraction

Page 12: 10a motor system locomotion

Types of Muscle Contraction

Page 13: 10a motor system locomotion

Muscle Types

Page 14: 10a motor system locomotion

The Regulation of Muscle force

Page 15: 10a motor system locomotion

Muscle Spindle

Page 16: 10a motor system locomotion

Muscle Spindle: Stretch Receptor

Page 17: 10a motor system locomotion

Stretch Reflex

Page 18: 10a motor system locomotion
Page 19: 10a motor system locomotion
Page 20: 10a motor system locomotion

Golgi Tendon Organ

Page 21: 10a motor system locomotion

Golgi Tendon Organ

Page 22: 10a motor system locomotion

Feedback Inhibition: Golgi Tendon Organ

Page 23: 10a motor system locomotion
Page 24: 10a motor system locomotion

Spinal Animal

Page 25: 10a motor system locomotion

The Motor Pattern for Stepping in Mammals

Page 26: 10a motor system locomotion

Cat Walk

Page 27: 10a motor system locomotion

Cat hind limb activity during stepping

Page 28: 10a motor system locomotion

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

Page 29: 10a motor system locomotion
Page 30: 10a motor system locomotion

Sensory Feedback for walking

Page 31: 10a motor system locomotion

Locomotor Center in Cat

Page 32: 10a motor system locomotion

Mesencephalic locomotor center stimulation in Cat

Page 33: 10a motor system locomotion
Page 34: 10a motor system locomotion

Human Locomotion