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Questions and Answers

What is the primary effectiveness timeframe for thrombectomy treatment after a stroke?

  • Up to 12 hours
  • Only within the first hour
  • Up to 24 hours under specific conditions (correct)
  • Up to 6 hours

Which condition must be present for thrombectomy to be indicated after 6 hours?

  • Small artery occlusion
  • Mismatch between ischemic core and penumbra (correct)
  • Presence of dead tissue
  • Patient's age over 65

What factor limits the effectiveness of thrombectomy?

  • Type of catheter used
  • Location of the patient
  • Size of the artery occluded
  • Time since the occlusion occurred (correct)

In which locations can thrombectomy typically be performed?

<p>Specific hospital sites in Sydney only (C)</p> Signup and view all the answers

Which statement about thrombectomy is correct?

<p>It is only effective on larger arteries. (C)</p> Signup and view all the answers

What type of feedback is derived directly from a patient's own execution of a movement?

<p>Intrinsic feedback (B)</p> Signup and view all the answers

Which of the following describes qualitative feedback?

<p>Descriptive in nature (A)</p> Signup and view all the answers

What provides information about movement characteristics leading to a performance outcome?

<p>Knowledge of performance (C)</p> Signup and view all the answers

What type of feedback includes numerical values related to performance characteristics?

<p>Quantitative feedback (C)</p> Signup and view all the answers

Extrinsic feedback can come from which of the following sources?

<p>A video of the performance (A)</p> Signup and view all the answers

What is an example of intrinsic feedback?

<p>Feeling unsteady after a movement (A)</p> Signup and view all the answers

Which type of feedback primarily helps monitor changes in performance quality?

<p>Qualitative feedback (A)</p> Signup and view all the answers

What is NOT a characteristic of knowledge of performance?

<p>Includes numerical feedback (B)</p> Signup and view all the answers

What is a sign of voluntary restriction of movement in patients?

<p>Patient holds themselves stiffly (C)</p> Signup and view all the answers

Which of the following indicates proper foot placement during balance activities?

<p>Feet shoulder/hip width apart (B)</p> Signup and view all the answers

What behavior might indicate a patient is avoiding balance threats?

<p>Reduces movement speed and amplitude (D)</p> Signup and view all the answers

Which of the following describes an incorrect response when reaching sideways?

<p>Leaning forwards when reaching (A)</p> Signup and view all the answers

What does even weight distribution on both lower limbs signify?

<p>Patient is standing confidently (B)</p> Signup and view all the answers

What is an indicator of shuffling feet during balance activities?

<p>Lack of confidence in mobility (C)</p> Signup and view all the answers

What can excessive flexion of the knees suggest about a patient's balance?

<p>Poor balance control (B)</p> Signup and view all the answers

What is a common misconception regarding the use of arms for balance?

<p>Using arms causes instability (D)</p> Signup and view all the answers

What is the primary focus of internal attention during a movement?

<p>Feeling the muscles contract during the movement (D)</p> Signup and view all the answers

Which statement best describes external attention focus?

<p>It considers the impact of movement on the surrounding environment. (A)</p> Signup and view all the answers

In which scenario would EMG biofeedback be more appropriate than electrical stimulation?

<p>For improving muscle control in stroke patients (D)</p> Signup and view all the answers

What is a key aim of electrical stimulation in rehabilitation?

<p>To enhance muscle strength and function in denervated muscles (A)</p> Signup and view all the answers

What types of patients are most suitable for receiving EMG biofeedback treatment?

<p>Patients recovering from neurological impairments (D)</p> Signup and view all the answers

What is meant by augmented feedback in skill performance?

<p>Additional feedback from external sources beyond intrinsic feedback. (D)</p> Signup and view all the answers

Which of the following methods provides visual augmented feedback?

<p>Videos (real-time and playback) (A)</p> Signup and view all the answers

Which feedback technique could aid proprioception during skill training?

<p>Taping (A)</p> Signup and view all the answers

What type of feedback does 'knowledge of results' provide?

<p>Information regarding the outcomes of performance and goal achievement. (C)</p> Signup and view all the answers

Which auditory feedback method is primarily used as a timing tool?

<p>iPhone circle timer (A)</p> Signup and view all the answers

What is a disadvantage of using solely intrinsic feedback?

<p>It may not provide complete information regarding performance outcomes. (B)</p> Signup and view all the answers

Which of the following is NOT a visual augmented feedback technique?

<p>Metronome (B)</p> Signup and view all the answers

What type of feedback can improve motor learning through manual guidance?

<p>Proprioceptive feedback through Lokomat (C)</p> Signup and view all the answers

Which term refers to physical feedback tools that aid in performance?

<p>Orthoses (B)</p> Signup and view all the answers

Which statement about EMG biofeedback is true?

<p>It serves both visual and auditory feedback purposes. (A)</p> Signup and view all the answers

Which condition is NOT suitable for the use of EMG biofeedback?

<p>Spasticity (D)</p> Signup and view all the answers

What is the primary purpose of EMG biofeedback for stroke survivors?

<p>Enhance upper limb function (B)</p> Signup and view all the answers

For muscle contraction settings, which percentage of the maximum contraction is commonly set?

<p>20% (D)</p> Signup and view all the answers

What is a weak recommendation for the use of electrical stimulation (ES)?

<p>To improve upper limb function (B)</p> Signup and view all the answers

What should strength training be provided for according to the guidelines?

<p>Shoulder pain (D)</p> Signup and view all the answers

Which of the following is true about the recommended conditions for EMG biofeedback?

<p>Recommended for TBI patients (B)</p> Signup and view all the answers

Which muscle group is NOT specifically targeted by EMG biofeedback?

<p>Facial muscles (A)</p> Signup and view all the answers

What type of contraction setting is used when starting EMG biofeedback therapy?

<p>Maximal contraction (D)</p> Signup and view all the answers

Flashcards

Augmented feedback

Feedback added to task-intrinsic feedback from an external source.

Vision feedback

Visual aids for skill improvement.

EMG Biofeedback

Electrical signals provide feedback to improve muscle control

Auditory feedback

Sound cues enhancing skill practice.

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Proprioception feedback

Internal feedback about body position related to skill.

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Tactile feedback

Physical touch during skill practice.

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Knowledge of results

Outcome information about a skill performance.

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Demonstrations

Visual examples of a skill.

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Mirror

Visual feedback tool to observe movement.

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Real-time video feedback

Immediate visual feedback of a skill during performance.

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Knowledge of Performance

Information about movement characteristics leading to a performance outcome, like force steadiness or gait.

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Intrinsic Feedback

Direct feedback from the body during an action, allowing a person to assess the quality of their execution.

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Extrinsic Feedback

Feedback from external sources, like a video or device, giving details about a performance.

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Qualitative Feedback

Descriptive feedback focusing on the quality of a performance (e.g., 'good,' 'nice').

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Quantitative Feedback

Feedback with numerical values (e.g., speed, distance) measuring performance characteristics.

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Dynamometer

A tool used to measure force, like hand strength.

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Number of Reps

The count of repetitions in an exercise.

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Walking Speed

The rate at which someone walks.

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Thrombectomy

A medical procedure using a catheter to remove a blood clot from a blood vessel, typically a large artery.

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Proximal large artery occlusions

Blockages of major arteries close to the heart.

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Thrombectomy effectiveness window

Most effective within 6 hours of stroke onset; potentially up to 24 hours if 'tissue mismatch' exists

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Practice intensity's impact on skill acquisition

The amount and level of practice needed for skill improvement

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Task-specific practice

Practicing tasks directly related to the learned skill, to improve performance.

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Uneven weight distribution

Shifting weight to one leg or side, instead of distributing it evenly.

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Maintaining balance

Keeping the body steady and upright, especially during movement.

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Voluntary movement restriction

A conscious decision to limit body movement, often due to fear or perceived threat.

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Foot placement

The position or arrangement of the feet during movement or activity.

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Shuffling

Moving feet in a short, dragging, uneven way.

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External Rotation

Turning the thigh outward, away from the body.

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Ankle PlantarGrade

The natural position of the ankle during standing.

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Limb Support

How the body maintains support and stability through the legs.

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Internal Attention Focus (baseball pitch)

Focusing attention on the movement itself, such as feeling muscles contract during a pitch.

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External Attention Focus (baseball pitch)

Directing attention to the outcome of the movement, e.g., shifting weight to hit the ball.

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EMG Biofeedback

A technique that uses electrical signals from muscles to provide feedback on muscle activity.

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Electrical Stimulation

Using electrical currents to activate muscles.

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Suitable EMG Biofeedback Patients

Patients who benefit from understanding and controlling their muscle activity through feedback.

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EMG Biofeedback for Stroke

Using electrical signals to provide feedback to improve muscle control, especially helpful for arm/leg strength in stroke patients.

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EMG Biofeedback Target Muscles

EMG biofeedback targets specific muscles for improvement, and strength training should also be considered.

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EMG Biofeedback - Conditions

EMG biofeedback is effective for conditions like stroke, MS, TBI, SCI and chronic musculoskeletal injuries, but not for disorders like apraxia or spasticity.

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EMG Biofeedback - Evidence

Strong evidence supports EMG biofeedback for stroke patients lacking arm or leg strength, not gait speed.

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EMG Biofeedback Threshold

Set a threshold by taking 20% of a maximal muscle contraction, which determines the range for EMG biofeedback.

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Stroke and Muscle Weakness

Stroke can result in weakness in arms or legs which can be targeted with EMG biofeedback.

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Biofeedback - Non-ideal Conditions

EMG biofeedback is not recommended for gait speed improvements or cases with apraxia or spasticity.

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Maximal Contraction and EMG

A maximal contraction is used to determine a threshold that represents 20% of the maximum, which determines the range for biofeedback.

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Study Notes

Subacute Assessment Study Guide

  • Table of Contents:
    • Case-based questions: page 2
    • Week 6 Masterclass - Stroke: page 6
    • Week 6 Workshops – Stroke – Modalities: page 12
    • Week 7 Workshops – Stroke: Bed mobility, Sitting, STS, Standing and Equipment: page 17
    • Week 8 & 9 Masterclass – Stroke: LL: page 28
    • Week 8 Workshops – Stroke: LL: page 34
    • Week 10 Masterclass – Stroke: UL: page 39
    • Week 10 Workshops – Stroke: UL: page 42
    • Week 11 Masterclass – Parkinson's Disease: page 46
    • Week 11 Workshops – Parkinson's Disease: page 53
    • Week 12 Masterclass – Multiple Sclerosis: page 57
    • Week 12 Workshop - Multiple Sclerosis: page 64
    • Week 13 Masterclass + Workshops – Life of a Rehabilitation Physio: page 68
    • Week 5 Online Module – Secondary and non-motor impairments: page 72
    • Week 5 – Workshop Using technology in Rehabilitation: page 77

Case-Based Questions

  • Component in Healthy People: Describe essential components for rolling, SOEOB, sitting, dynamic sitting, sit to stand, standing, dynamic standing, walking, reaching, and manipulation.
  • Compensation/Adaptive Strategies: Understand and describe compensation/adaptation strategies in patients with acquired neurological injuries for rolling, SOEOB, sitting, dynamic sitting, sit to stand, standing, dynamic standing, walking, reaching, and manipulation.
    • Outline potential underlying impairments
    • Suggest exercises at impairment or activity level (part or whole task)
    • Provide evidence for recommendations.
  • Observing Activities: Identify missing components, adaptive strategies, and potential impairments in patients with acquired neurological injuries (e.g., stroke, MS) performing activities
    • Suggest exercises for part and whole task practice for the identified missing components (Using the principles of part task and whole task training).
    • Suggest how to make training more difficult and easier based on patient progress.
    • Provide evidence for recommendations.
  • Discharge Destination and Services: Discuss discharge destinations, potential services required for patients.

Essential Components

  • This section details essential components for bed mobility, sitting and reaching/manipulation, including compensatory movements.

Stroke in Australia

  • Facts: Stroke is the 3rd leading cause of death, predicted to increase to 1 million by 2050.
  • Affected Population: ~30% of stroke survivors are under 65 years old.
  • Disability Cost: 65% of stroke survivors are disabled, requiring assistance with activities of daily living.
  • Financial Cost: ~$5B per year.
  • Indigenous Australians: Have 1.7x higher stroke rate, 2x higher hospitalization, and 1.6x higher death rate compared to non-Indigenous Australians.

Stroke Risk Factors

  • Ischemic (85-87%): Previous TIA, high cholesterol, gender (F>M), atherosclerosis, atrial fibrillation, blood disorders.
  • Haemorrhagic (13-15%): Prior ischemic stroke, bleeding disorders, vascular malformations, dissection/tear, use of anticoagulants.

Stroke Signs and Symptoms

  • FAST: Face drooping, arm weakness, speech difficulty, time to call 911.

Neuroplasticity

  • Time sensitive and task-important.
  • Strongly influenced by environment: enhanced sensory, cognitive, motor and social stimulation.
  • Adjuvant (additional) or adjunct (supporting) therapies: motor imagery, mental practice, stimulation-based therapy or pharmacology.
  • Patient characteristics: younger age generally promotes neuroplasticity
  • Stress can impair plasticity, so a relaxed environment is better.

Medical Management for Acute Stroke

  • Time Sensitivity: Assess 0-4.5 hours (tPA, thrombectomy), 6-24 hours (thrombectomy only), 24+ hours (no tPA or thrombectomy).

Practice Variability

  • Intensity: High repetitions
  • Specificity: Task specific
  • Variability: Start with minimal, increase as patient progresses.

Clinical Considerations for Instructions and Demonstrations

  • Instruction Types: Long sentences (before movement), short sentences (during movement), nonverbal cues (during movement)
  • Frequency: Depends on the patient's attention span and skill level
  • Timing: Before, during, or after movement
  • Sensory Considerations: Incorporate multiple sensory inputs (visual, auditory, proprioceptive and tactile)
  • Other Guidelines: Amount of information should accommodate patient's attention capacity, consideration for working/short-term memory capacity, and patient’s experience with the skill.

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