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Overview of Motor System
- Motor Cortex
- Descending Motor Pathways
- Cerebellum
- Basal Ganglia
- Dorsal-Column-Medial Lemniscal Pathway
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Feats. Coordination Impairments
- Cerebellar Pathology
- Basal Ganglia Pathology
- Dorsal Column-Medial Lemniscal Pathology
- Age-Related Changes Impacting Coordinated Movement
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Screening
- Examples of Screenings
- ROM
- Strength
- Sensation
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Feats. Coordination Tests
- Gross & Fine Motor Movements
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Nonequilibrium & Equilibrium (Bal) Tests
- Motor Task Requirements
- Movement Capabilities
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Motor Task Requirements & Movement Capabilities Addressed During Examination of Coordination
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Preparation for Administering Coordination Exam
- Testing Environment
- Pt. Preparation
- Preliminary Observation
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Coordination Exam
- Recording Test Results
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Table 7.3: Nonequilibrium Coordination Tests p. 212:
- 1. Finger-to-nose
- 2. Finger-to-PT's finger
- 3. Finger-to-finger
- 4. Alternate nose-to-finger
- 5. Finger Opposition
- 6. Mass Grasp
- 7. Pronation/Supination
- 8. Rebound test
- 9. Tapping (hand)
- 10. Tapping (foot)
- 11. Point & Past Pointing
- 12. Alternate heel-to-knee; heel-to-toe
- 13. Toe to PT's finger
- 14. Heel on shin
- 15. Drawing a circle
- 16. Fixation or Position Holding
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Box 7.3 Equilibrium Coordination Tests p. 213
- 1. standing, comfortable posture with normal BOS
- 2. standing, feet together (narrow BOS)
- 3. standing in tandem position
- 4. standing on 1 foot
- 5. arm position may be altered in each of the above postures
- 6. perturbations: displays balance unexpectedly ( while carefully guarding pt)
- 7. standing, functional reach: forward trunk flexion with UE reach
- 8. standing, lateral flex trunk to each side
- 9. standing: eyes open to eyes closed; inability to maintain upright posture without visual input= positive Romberg sign
- 10. standing in tandem position eyes open to eyes closed (Sharpened Romberg)
- 11. tandem walking
- 12. walking along straight line drawn or tape to floor, or place feet on four markers while walking
- 13. walk sideways, backwards, or cross stepping
- 14. March in place
- 15. alter speed of ambulatory activities; observed pt. Walking at normal speed, as fast as possible & as low as possible
- 16. stop & start abruptly on command while walking
- 17. walk & pivot on command (90, 180, 360°)
- 18. walk in a circle, alternate directions
- 19. walk on heels or toes
- 20. walk with horizontal & vertical head turned on command
- 21. step over or around obstacles
- 22. stairclimbing with & without using hand rail; 1 step at a time, step overstep
- 23. jumping jacks
- 24. sitting on TherEx ball; alternate flexing & extending these (Chordata movement with upright balance)
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Table 7.4 Sample Tests for Selected Coordination Impairments: p. 214
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Dysdiadochokinesia
- • Finger to nose
• Alt nose-to-finger
• Pronation/supination
• Knee flx/ext
• Walking, alter speed or direction
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Dysmetria
- • Pointing & past pointing
• Join a circle or figure 8
• Heel on shin
• Placing feet on floor markers; sitting, standing
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Dyssynergia
- • Finger to nose
• Finger to PT’s finger
• Alternate heel to me
• Toe to PT’s finger
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Hypotonia
- • Passive movement
• DTRs
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Tremor (intention)
- • Observation during functional activities (tremor will typically increase as target is approached him movement speed increase)
• Alternate nose to finger
• Finger to finger
• Finger to PTs finger
• Toe to PTs finger
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Tremor (resting)
- • Observation of patient at rest; limb or jaw movements
• Observation during functional activities (tremor will diminish significantly/disappear with movement)
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Tremor (postural)
- • Observation of steadiness abnormal posture; sitting, standing
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Asthenia
- • Fixation or position holding (UE & LE))
• Application of manual resistance to determine ability to hold
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Rigidity
- • Passive movement
• Observation during functional activities
• Observation of resting posture(s)
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Bradykinesia
- • Walking, observation of arm swing & trunk motions
• Walking, alter speed & direction
• Request that a movement or gate activity be stopped abruptly
• Observation of functional activities: timed tests
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Disturbances of Posture
- • Fixation or position holding (UE & LE)
• Displace balance unexpectedly in sitting or standing (perturbations)
• Standing, altar BOS
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Disturbances of Gait
- • Walking along a straight line
• Walk sideways, backwards
• March in place
• Alter speed & direction of ambulatory activities
• Walk in a circle
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Quantitative Coordination Testing & Specialized Testing Instruments
- CATSYS System
- Postural Sway Analyzer
- Choice Reaction Time Analyzer
- Dynamic Posturography
- Standardized Instruments: UE Coordination