Motor Control: Abnormal Postural Control Flashcards
The two tasks of postural control are _____ and _____.
Alignment and orientation
A sequencing problem of motor coordination would be seen as a _____.
Lack or reversal of distal to proximal activation
A timely activation problem of motor coordination would be seen as _____.
Delayed onset latencies
An inappropriate scaling of postural responses of motor coordination would be seen as _____.
Too much or not enough force production
Adaptability problems to changing environments of motor coordination would be seen as _____.
Stereotyped responses that can’t adapt to different environment or task demands.
Abnormal sequencing has negative consequences such as _____, _____, and _____.
Decreased torque
Larger lateral shifts of COM
Excessive hip and knee movements
The use of ankle strategies _____ when AFOs are worn.
Decreases
Co-activation is common in _____ when learning a new task.
Children
Adaptation problems are due to ____.
Impaired central set
An impaired central set is when _____ are impaired.
Ingrained and well learned programs
Impaired central sets are dur to _____ and _____ problems.
Basal ganglia and supplementary motor circuit problems
Someone with an impaired central set will have difficulty _____.
Adapting to changing environements
The three keys of sensory input on postural control are _____, _____, and _____.
Availability of senses to detect the position of the body in space
Availability of accurate orientation and cues from environment
Ability to correctly interpret and select sensory information for orientation
A sensory problem occurs when you cannot adapt sensory inputs to _____.
Changes in task and environement
Sensory problems can occur because of _____, _____. _____. and _____.
Loss of a sense
Loss of sensory redundancy
Inappropriate weighting of sensory information
Misrepresentation of limits of stability
Loss of somatosensory inputs result in profound changes in _____ and _____ activation of anticipatory postural adjustments.
Changes in motor adaptation and earlier activation
Problems in cognitive systems can result in impaired _____ and _____.
Impaired postural stability and dual task interference
