Motor Control Chapter 14: What changes upper-extremity control after neurologic injury?

← Motor Control class notes

FROM MY PT SCHOOL NOTES · MOTOR CONTROL · CHAPTER 14

What changes upper-extremity control after neurologic injury?

In this chapterThe big ideaDifferentiate The ProblemFunction FirstClinical Connection

The big idea

An upper-extremity task may be disrupted by weakness, altered tone, joint restrictions, sensory loss, visuospatial neglect, visual field deficits, apraxia, impaired postural support, slowed movement, fatigue and attentional limitations. The same failure to reach and grasp can therefore have very different causes.

Differentiate The Problem

A person with reduced sensation may need visual monitoring to maintain an object in the hand; someone with unilateral spatial neglect may not attend to a target despite available strength; a person with apraxia may struggle to organize a learned purposeful action despite possessing some of its component movements. These findings require careful clinical assessment and should not be inferred from one classroom demonstration.

Function First

Observe the task, record affected components, evaluate protective sensation and pain where indicated, and examine both body structure/function and daily participation. Consider the environment, the person’s priorities and whether adaptive tools support independence. Where appropriate, therapy can integrate task-specific and progressively challenging practice, bimanual activities, strength or stimulation as an adjunct when supported by patient-specific evidence and guidance.

Clinical Connection

For trouble fastening a shirt after stroke, consider trunk control, visual attention, hand opening, tactile detection, grasp timing and the chosen clothing strategy. Select a small number of meaningful variables to test and train.

Pause and apply it

What is the difference between not seeing a target and not attending to it?

Try identifying the task goal, the movement strategy, and what you would measure before choosing an intervention.

A common point of confusion

‘Use the affected limb more’ needs to be operationalized safely and meaningfully; it is not a treatment plan by itself. Recovery and helpful compensation may proceed together.

Source notes and learning scope

Based on my original class notes: Abnormal Reach, Grasp, and Manipulation; Clinical Management UE. This independently reorganized learning chapter is not a textbook reproduction, individualized treatment instruction, or NPTE guarantee. Compare it with your own coursework and current evidence.

Current practice context (added to the class notes)

The 2023 National Clinical Guideline for Stroke describes repetitive practice of functional upper-limb tasks, incorporating meaningful goals and suitable aids or compensation when appropriate. Components can be practiced, but should be integrated back into the whole task. These principles complement rather than replace an individualized examination.

National Clinical Guideline for Stroke — motor recovery (additional evidence; not part of the original lecture file).

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