Chapter 1-8: Movement and Coordination in Therapy
Lecture Recording and PowerPoint Update
Planned to upload a recorded lecture online for greater accessibility to students.
Will provide an updated PowerPoint for better clarity, ensuring all graphics and text are legible.
Intention to include detailed typed notes for Chapter 15 with key points highlighted.
Importance of Normal Movement
Normal movement is an everyday activity, usually performed unconsciously and involves multiple bodily systems.
Individuals with neurological changes (e.g., traumatic brain injury (TBI), cerebral degenerative disorders (CDA)) may experience loss of motor control, leading to challenges in performing daily tasks.
Components of Normal Movement
Involves complex skills and various client factors, necessitating the cooperation of different bodily systems.
Key components include:-
Praxis: Motor planning required to perform tasks effectively, essential for executing movements.
Postural Control: Core strength and balance necessary for stability when sitting or standing, enabling safe and controlled movements.
Range of Motion: The degree to which joints can move without restriction; necessary to avoid stiffness and maintain function.
Muscle Strength: Amount of force a muscle can exert, critical for lifting, pushing, and pulling movements.
Muscle Tone: Continuous state of contraction in muscles, even at rest, aids in maintaining posture and readiness for movement.
Sensation: Ability to perceive sensory stimuli, which is vital for feedback in movement execution and spatial awareness.
Definitions of Key Concepts
Praxis
Definition: The ability to understand and plan the execution of tasks, including movement initiation and implementation through cognitive and physical processes.
Explains the motor and sensory requirements for task demands cognitively and physically, illustrating the planning involved in executing motor tasks.
Example of Praxis
Task of reaching involves:
Shoulder flexion to raise the arm.
Elbow extension allowing for the arm to stretch outward.
Grasping requiring wrist and finger coordination to hold an object securely.
Postural Control
Definition: The ability to maintain stability and balance in various positions, which is critical for engaging in daily activities.
The ability to adapt postures during tasks such as sitting up and reaching is essential for safety and functionality.
Range of Motion
Definition: The amount of movement possible at a joint and critical for functional mobility.
Example:
0 degrees of shoulder flexion is the arm at the side, in a neutral position.
90 degrees is the arm elevated to shoulder level, facilitating various tasks.
180 degrees is the arm raised overhead; functional shoulder flexion range is approximately 120 degrees for most daily activities.
Muscle Strength
Definition: The capacity of a muscle to exert force, influencing the ability to perform daily tasks efficiently.
Impact on activities such as lifting objects, helping with mobility and stability during movement.
Muscle Tone
Definition: Continuous state of contraction in muscles, maintaining a baseline level of neuromuscular readiness.
Differentiates from muscle strength, wherein significant issues can arise in conditions such as cerebral palsy or strokes when muscles maintain abnormal levels of contraction or spasticity, impacting mobility and comfort.
Coordination
Definition: Ability to execute smooth, controlled movements; it is vital for functional independence and safety.
Without coordination, movements may appear awkward or jerky, leading to increased risk of injury.
Example of poor coordination can be seen in proximal instability, causing arms to flail or wobble during movements like reaching or grasping.
Paresis
Definition: Muscle weakness typically observed following neurological incidents, such as strokes.
Commonly affects distal muscles, leading to challenges in daily tasks like gripping, writing, or self-care.
Contracture
Definition: Permanent shortening of muscles and tendons leading to reduced flexibility, often resulting from weakness and increased tone in either flexors or extensors.
Impact of Contractures:
May restrict the use of assistive devices, further hindering mobility and daily living activities.
Examples of intervention include:-
Stretching exercises to improve flexibility.
Use of splints to maintain or increase range of motion.
Botox treatment in severe cases to address spasticity and improve movement.
Complications and Interventions in Neurological Conditions
Reduced mobility and strength can lead to difficulties with activities of daily living (ADLs), including feeding, bathing, and dressing, placing a significant psychological burden on families due to increased caregiving needs and stress.
Assessing and addressing these difficulties is vital in rehabilitative practices to enhance the quality of life for individuals affected.
Coordination and Balance
Types of Motor Skills
Gross Motor Skills:
Definition: Large muscle movements that require engagement of the entire body, crucial for overall mobility.
Examples: Activities such as running, jumping, and climbing are fundamental for physical development.
Fine Motor Skills:
Definition: Smaller, precise movements often requiring dexterity and control.
Examples: Tasks such as buttoning a shirt, writing, or using utensils are key for independence in self-care.
Eye-Hand Coordination
Ability to coordinate visual input with hand movements, vital in activities that require precision, such as catching a ball, writing, or threading a needle.
Enhances overall coordination and effectiveness in daily tasks.
Neurological Disorders and Movements
Basal Ganglia Disorders
These disorders significantly affect automated, unconscious motor patterns, causing disruptions in habitual actions (e.g., walking, typing).
Characteristic features include:-
Chorea: Uncontrolled, jerking movements caused by basal ganglia dysfunction.
Dystonia: Abnormal muscle tone resulting in twisted or abnormal postures.
Cerebellar Disorders
These disorders impact awareness of body position and coordination, leading to uncoordinated movements, affecting daily functioning.
Symptoms may include:
Jerky or segmented motions when attempting smooth movements.
Resistance to movement or imbalance during tasks.
Types of Tremors and Associated Conditions
Tremors are common in conditions like Parkinson's disease, characterized by involuntary shaking during activities.
Such tremors may significantly impact tasks like eating, dressing, and handling objects, necessitating the use of adaptive utensils.
Treatment Recommendations
Sensory Input Techniques
Implementation of sensory input techniques, such as the use of textured materials to enhance grip (e.g., roughened utensils), improving functional outcomes for clients.
Compensatory Strategies
Use of contrasting colors to improve visibility for clients with cognitive dysfunctions, such as colored plates for food to enhance meal independence and enjoyment.
Client-Centered Approaches
Task-Oriented Approach
The task-oriented approach focuses on meaningful activities that the client values, rather than rote practice, enhancing engagement and motivation.
Activities should incorporate skills relevant to the client's interests and daily life, promoting functionality and satisfaction (e.g., using a tennis racket for rehabilitation).
Neurodevelopmental Treatment (NDT)
A hands-on, client-centered approach that emphasizes:
Facilitation at joints to assist movement and improve functional capacity.
Utilization of weight-bearing techniques to enhance postural control and support optimal movement patterns.
Summary of Key Concepts and Techniques
Emphasizes the importance of understanding and addressing primitive reflexes in the assessment and treatment of neurological patients.
Recognition of muscle tone statuses is vital for adapting interventions necessary for managing hypotonia and hypertonicity effectively.
Employing facilitation and inhibition techniques is an essential part of treatment strategies to enhance client outcomes and engagement in rehabilitation.
Additional Recommendations for Students
Utilize online resources and videos for further learning and deeper understanding of physical rehabilitation strategies.
Engage in hand-written note-taking to enhance retention of material learned during lectures and readings.
Prioritize understanding of fundamental concepts, as these recur across clinical applications, reinforcing foundational knowledge.