Friday, March 11, 2011

Reactive Neuromuscular Training


Why do patients benefit with this specialized rehabilitation approach?
The interaction between the static and dynamic components of functional stability is mediated by the neuromuscular system.  Functional stability is defined as possessing adequate stability to perform functional activity and results from the interaction between these static and dynamic components.
Patients are prone to re-injury if they have not been prepared to meet the total demands of the activities that they are going to return to (e.g. reoccurring ankle sprains in sports or running).
A successful rehabilitation program must be based upon the specific demands of each individual. Remember the S.A.I.D. Principle (Specific Adaptation to Imposed Demands).
Proprioception:  In the classic sense, proprioception refers to position sense and movement sense arising from the mechanoreceptors.  Proprioception signals are transmitted to the spinal cord via afferent (sensory) pathways.  The relay information about the articular structures involving: static vs. dynamic conditions, static & dynamic joint angle, equilibrium vs disequilibrium, direction & speed of motion and biomechanical stress/strain.
Neuromuscular Control:  The efferent (motor) response is the sensory information termed neuromuscular control.  Proprioceptive information is then capable of influencing: muscle tone, motor execution programs, cognitive somatic perceptions and reflex joint stabilization.
Neurophysiology of Proprioception (the foundation of motor control):  Mechanoreceptors are specialized receptors in the articular, muscular, and cutaneous structures.  They provide input into the proprioceptive system.  There are several types of different types of receptors found around the joint structures.  Each receptor has a role in signaling information regarding deformations that occur in the tissues they inhabit.  The roles are dependent on the way the receptor responds to deformation (tension-compression-shear).

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