Transcript Proprioception/Neuromuscular Control

Proprioception/Neuromuscular
Control
Afferent Inputs (3 subsystems)
• Vision
– Horizontal and vertical
references
Afferent Inputs (3 subsystems)
• Vision
• Vestibular
– Head movement
– Inner ear
– Balance and posture
• Somatosensory
– Peripheral Afferent
Receptors
Somatosensory System
• Afferent Receptors
– Free Nerve Endings
• Hair follicles
• Pain receptors
Somatosensory System
• Afferent Receptors
– Free Nerve Endings
– Cutaneous Receptors
• Few respond
• Respond at extreme
ROM
Somatosensory System
• Afferent Receptors
– Free Nerve Endings
– Cutaneous Receptors
– Articular (Joint)
• QA and SA
• Pacinian Corpuscle
– Joint capsule
– RA
– sensitivity
Somatosensory System
• Afferent Receptors
– Free Nerve Endings
– Cutaneous Receptors
– Articular (Joint)
• QA and SA
• Pacinian Corpuscle
• Ruffini Endings
– Capusular collagen
– SA
– Sensitive to…
Somatosensory System
• Afferent Receptors
– Free Nerve Endings
– Cutaneous Receptors
– Articular (Joint)
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QA and SA
Pacinian Corpuscle
Ruffini Endings
Golgi-tendon Like
Organs
– Ligaments
– Sensitivity
Somatosensory System
• Afferent Receptors
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Free Nerve Endings
Cutaneous Receptors
Articular (Joint)
Musculotendinous
Receptors
• Muscle Spindles
• Golgi tendon organs
Location of Muscle Spindle
Somatosensory System
• Afferent Receptors
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Free Nerve Endings
Cutaneous Receptors
Articular (Joint)
Musculotendinous
Receptors
• Muscle Spindles
• Golgi tendon organs
Path of GTO to Spinal Cord
Spinal Cord Entry
• Dorsal Roots
• Synapse with
interneurons
Spinal Cord Entry
• Dorsal Roots
• Synapse with
interneurons
• Monosynaptic Stretch
Reflex
Spinal Cord Entry
• Dorsal Roots
• Synapse with
interneurons
• Monosynaptic Stretch
Reflex
• Polysynaptic Reflex
Pathways to the Brain
• Anterolateral Pathway
• Dorsal Column
The Brain
• Brain Stem
• Cerebral Cortex
• Cerebellum
Motor Control Maintenance:
How do we control motor
Performance?
• FEEDFORWARD AND FEEDBACK
• Feedforward
– Preactivation
– Functions
Motor Control Maintenance:
How do we control motor
Performance?
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FEEDFORWARD AND FEEDBACK
Feedback
So what?
The Key
Components of Neuromuscular
Control Training
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Proprioception
Kinesthesia
Dynamic Stability
Preparatory Muscle Contractions
Reactive Muscle Characteristics
Conscious and Unconscious Movement
Patterns
Re-establishing Neuromuscular
Control
• Four Basic Elements
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Proprioceptiom
Dynamic Joint Stabilization
Reactive Neuromuscular Control
Functional Motor Patterns
Phases of Neuromuscular Control
Training
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Phase I
Phase II
Phase III
Phase IV