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Questions and Answers

What is a critical precaution for patients post Total Hip Arthroplasty using the posterior approach?

  • Hip flexion can be maintained up to 100°.
  • Hip internal rotation should be avoided. (correct)
  • Hip flexion should not exceed 45°.
  • Hip adduction can be encouraged to 15°.

    • In managing a patient with hemiplegia after a CVA, which consideration is most important?

  • Avoiding engagement with the patient during therapy.
  • Utilizing assistive devices for balance. (correct)
  • Focusing solely on strengthening the unaffected side.
  • Encouraging movement on the affected side.

    • What is an appropriate positioning strategy for a patient post Posterior Spinal Fusion?

  • Promoting hip adduction in side lying.
  • Restricting lateral side bending. (correct)
  • Encouraging deep forward bending movements.
  • Allowing unrestricted spinal rotation.

    • Which postoperative limitation should be emphasized for patients with lower extremity amputations?

    <p>Avoid prolonged sitting without leg elevation.</p> Signup and view all the answers

    What position should be avoided when transitioning a patient from supine to sitting post-THA?

    <p>Sidelying position.</p> Signup and view all the answers

    What is a key characteristic of the subacute stage of healing?

    <p>Growth of capillary beds into the area</p> Signup and view all the answers

    Which of the following is NOT typically addressed in the chronic stage of rehabilitation?

    <p>Inflammation control</p> Signup and view all the answers

    During which stage of healing is the tissue most fragile and easily injured?

    <p>Subacute stage</p> Signup and view all the answers

    What rehabilitation goal is emphasized during Phase II interventions?

    <p>Develop mobile scar</p> Signup and view all the answers

    What is the main purpose of collagen remodeling during the chronic stage?

    <p>To align collagen to stress</p> Signup and view all the answers

    Which approach is most suitable for controlling inflammation during the acute stage?

    <p>Nondestructive movement techniques</p> Signup and view all the answers

    What is a characteristic sign associated with the subacute stage of tissue healing?

    <p>Decreasing inflammation</p> Signup and view all the answers

    What distinguishes Phase III of rehabilitation from the previous phases?

    <p>Minimum to no protection and return to function</p> Signup and view all the answers

    Which factors are essential for initiating active exercises during the early subacute stage?

    <p>Decreased swelling and non-constant pain</p> Signup and view all the answers

    What is the primary goal when applying progressive strengthening exercises in the rehabilitation process?

    <p>To enhance muscle control and proper mechanics</p> Signup and view all the answers

    Which symptom indicates that a patient has likely progressed too much in their activity level?

    <p>Fatigue lasting beyond 24 hours</p> Signup and view all the answers

    What must be stretched or mobilized to prevent chronic pain in rehabilitation?

    <p>Contractures or adhesions</p> Signup and view all the answers

    What is crucial for effective remodeling of maturing collagen during rehabilitation?

    <p>Controlled forces replicating normal stresses</p> Signup and view all the answers

    Which management approach is necessary when introducing new exercises to a patient?

    <p>Monitor for signs of increased fatigue or discomfort</p> Signup and view all the answers

    What should healthcare providers avoid when managing the early stages of tissue healing?

    <p>Overexerting the patient during low-intensity activities</p> Signup and view all the answers

    In rehabilitation, when should a patient possibly experience discomfort?

    <p>During the introduction of appropriate exercises</p> Signup and view all the answers

    Which of the following is NOT a sign that activities are progressing too quickly in a patient with chronic inflammation?

    <p>Increased strength</p> Signup and view all the answers

    What is a primary goal of the plan of care for a patient with chronic inflammation?

    <p>Promote healing while decreasing pain and inflammation</p> Signup and view all the answers

    Which of the following interventions is specifically recommended for managing chronic inflammation?

    <p>Cold application and compression</p> Signup and view all the answers

    What is a key aspect in the rehabilitation strategy for chronic inflammation?

    <p>Incorporating nonstressful passive movements</p> Signup and view all the answers

    Which strategy is essential for developing a strong and mobile scar tissue following an injury?

    <p>Progressive stretching and strengthening exercises</p> Signup and view all the answers

    What common mistake might a therapist make when addressing impairments of body structure and function?

    <p>Neglect individualized patient education</p> Signup and view all the answers

    Which intervention is most effective for promoting controlled motion during the healing phase?

    <p>Controlled graded stretching and strengthening</p> Signup and view all the answers

    What is NOT considered a biomechanical dysfunction following chronic inflammation?

    <p>Joint stability and mobility</p> Signup and view all the answers

    Which technique involves an opposing muscle contracting while the target muscle is being stretched?

    <p>Agonist-contraction stretching</p> Signup and view all the answers

    What does the term 'contract-relax stretching' primarily refer to in muscle rehabilitation?

    <p>Alternating stretch and contraction phases</p> Signup and view all the answers

    Which determinant of stretching is crucial for ensuring that the muscle group being targeted is effectively engaged?

    <p>Alignment</p> Signup and view all the answers

    Which of the following is an adjunct to stretching that may enhance its effectiveness?

    <p>Passive assistance during stretch</p> Signup and view all the answers

    What is an essential preparation step before performing stretching techniques?

    <p>Assessment of joint stability</p> Signup and view all the answers

    What should be prioritized when preparing for a stretching session?

    <p>Warm-up first and ensure proper positioning</p> Signup and view all the answers

    What is the recommended duration for holding a stretch?

    <p>30-60 seconds or longer</p> Signup and view all the answers

    Which adjunct intervention can prepare tissues for stretching?

    <p>Cold application</p> Signup and view all the answers

    What is a key consideration when performing contract-relax stretching?

    <p>Apply a gentle distraction during the initial stretch</p> Signup and view all the answers

    Which technique is commonly associated with agonist-contraction stretching?

    <p>Isometrically contracting the agonist muscle during stretching</p> Signup and view all the answers

    In the context of stretching, what is the main purpose of joint traction or oscillation?

    <p>To enhance relaxation and prepare the joint for stretching</p> Signup and view all the answers

    What is a common misconception regarding the position of pillows during stretching?

    <p>Using a pillow under the knee can help reduce hamstring stress</p> Signup and view all the answers

    During preparation for stretching, which of the following is NOT considered essential?

    <p>Stretching every muscle group in one session regardless of need</p> Signup and view all the answers

    Which type of stretching technique encourages muscle relaxation and reduces the risk of injury due to its slow application?

    <p>Static stretching</p> Signup and view all the answers

    What is the recommended hold duration for self-stretching to effectively increase range of motion?

    <p>30-60 seconds</p> Signup and view all the answers

    Which person is least suitable for ballistic stretching due to the nature of their physical conditions?

    <p>An elderly individual</p> Signup and view all the answers

    During which stretching technique does reciprocal inhibition occur as a result of muscle contractions?

    <p>Active stretching</p> Signup and view all the answers

    What is the purpose of allowing rest between stretching sessions?

    <p>To minimize post-exercise soreness</p> Signup and view all the answers

    Which stretching method uses a device to apply a low-intensity force over an extended period?

    <p>Mechanical stretching</p> Signup and view all the answers

    What is the chief characteristic of isometric contraction techniques during stretching?

    <p>Involves contraction of the muscle without joint movement</p> Signup and view all the answers

    For effective contract-relax stretching, what should the patient do at the end of the contraction phase?

    <p>Breathe deeply to relax</p> Signup and view all the answers

    Which of the following describes the primary form of stretching that is passive and externally applied?

    <p>Manual stretching</p> Signup and view all the answers

    What is considered the ideal frequency for stretching sessions per week to ensure effective results?

    <p>2 to 5 sessions</p> Signup and view all the answers

    Which motor strategy involves maintaining a consistent base of support (BOS) while adapting to external perturbations?

    <p>Fixed support strategies</p> Signup and view all the answers

    What type of postural control is primarily responsible for preparing the body to maintain balance before a movement occurs?

    <p>Anticipatory postural control</p> Signup and view all the answers

    Which of the following is a common environmental factor that can lead to balance impairment?

    <p>Uneven surfaces</p> Signup and view all the answers

    What contributes to the ability to maintain balance during a sudden upset caused by an external force?

    <p>Reactive postural control</p> Signup and view all the answers

    Which sensory system plays a critical role in providing feedback for understanding body position in space?

    <p>Vestibular system</p> Signup and view all the answers

    Which strategy is a method to enhance balance by actively shifting the body's center of mass?

    <p>Weight shift (lateral)</p> Signup and view all the answers

    What does steady-state control primarily rely on to maintain stability during static postures?

    <p>Ongoing sensory processing</p> Signup and view all the answers

    Which type of impairment can be caused by a lack of integration among visual, vestibular, and somatosensory inputs?

    <p>Balance control</p> Signup and view all the answers

    Which scenario exemplifies steady state control in a dynamic condition?

    <p>Sitting on a therapy ball</p> Signup and view all the answers

    What is a key characteristic of reactive postural control?

    <p>Immediate response to unexpected disturbances</p> Signup and view all the answers

    Which action best represents anticipatory postural control?

    <p>Adjusting your stance before kicking a ball</p> Signup and view all the answers

    Which environmental factor could significantly impair balance?

    <p>A cluttered and open space</p> Signup and view all the answers

    Which statement correctly describes closed environments in relation to balance?

    <p>They allow for increased stability due to reduced sensory inputs.</p> Signup and view all the answers

    Which combination of footwear conditions could detrimentally affect balance?

    <p>High heels and loose slippers</p> Signup and view all the answers

    What best defines anticipatory adjustments in postural control?

    <p>They involve proactive muscle activation in preparation for movement.</p> Signup and view all the answers

    Which type of perturbation relates to reactive postural control?

    <p>Unexpected pushes or nudges</p> Signup and view all the answers

    What is the primary function of steady-state postural control?

    <p>Ensuring balance while standing or sitting in a stable position</p> Signup and view all the answers

    Which factor is most likely to contribute to balance impairment through sensory input?

    <p>Changes in depth perception</p> Signup and view all the answers

    What characterizes reactive postural control?

    <p>Responding to disturbances after they occur</p> Signup and view all the answers

    In assessing balance interventions, what is the significance of the patient's goals?

    <p>They may modify the types of exercises prescribed</p> Signup and view all the answers

    Which of the following modifications to balance interventions best increases challenge without compromising safety?

    <p>Reducing the base of support</p> Signup and view all the answers

    What is an effective environmental consideration when planning balance interventions?

    <p>Ensuring stable surfaces are within reach</p> Signup and view all the answers

    Which factor related to medications is a significant cause of balance impairment?

    <p>Polypharmacy, referring to taking more than four medications</p> Signup and view all the answers

    Which type of balance task is primarily focused on preparing the body for anticipated movements?

    <p>Anticipatory control</p> Signup and view all the answers

    What common somatosensory factor can lead to balance impairment in the elderly?

    <p>Peripheral neuropathies</p> Signup and view all the answers

    What is the principal goal of maintaining safety during balance interventions?

    <p>To prevent injury and falls</p> Signup and view all the answers

    Study Notes

    Special Cases and Considerations

    • Posterior Approach Total Hip Arthroplasty (THA)
      • Positioning Precautions:
        • Avoid hip flexion greater than 60-90 degrees
        • Avoid hip adduction greater than 0 degrees
        • Avoid hip internal rotation greater than 0 degrees
    • Positioning Following THA
      • Side lying positioning with hip adduction is incorrect as this places the hip in a dangerous position
      • Alternative Positioning: Use an abduction wedge to prevent adduction
    • Bed Mobility
      • Supine to Sitting:
        • Avoid sidelying
        • Use a push-up strategy to transition to a reclined long sit position. This minimizes hip flexion.

    Preparation for Stretching

    • Choose the appropriate stretch based on the patient's needs and goals.
    • Warm up before stretching.
    • Positioning is crucial for safety, comfort, and optimal access.
    • Explain the stretch and encourage relaxation.

    Application of Stretching

    • Stretch the extremity through its available range. Stabilize the proximal segment while mobilizing the distal.
    • If a multi-joint muscle is being stretched, focus on one joint at a time.
    • Gentle distraction can be applied.
    • Apply low-load stretching in the opposite direction to the pull of the muscle restricting range.
    • Hold stretches for at least 30-60 seconds.

    After Stretching

    • Engage in active range of motion (AROM) and/or strengthening exercises.
    • Ensure balance between agonist and antagonist muscle strength.

    Adjuncts to Stretching

    • Techniques like heat (including warm-up), cold application, massage, biofeedback, joint traction/oscillation, and relaxation techniques can enhance stretching programs.

    Determinants of Stretching

    • Factors influencing the effectiveness of stretching:
      • Alignment
      • Stabilization
      • Intensity of the stretch
      • Duration of the stretch
      • Speed of stretch
      • Frequency of stretch
      • Mode of stretch

    Alignment

    • Positioning the body ensures that the stretch force is directed to the target muscle group.
    • Pay attention to the trunk and adjacent joints.

    Stabilization

    • One point of muscle attachment is fixed while the other is stretched.
    • Often, the proximal attachment is stabilized, and the distal segment is moved during manual stretching.
    • Self-stretching often stabilizes the distal attachment, while the proximal segment moves.
    • Be cautious for muscle substitutions during the stretch.

    Intensity of Stretch

    • A low-intensity (low-load) stretch is preferred for better results.
    • Low-intensity, long-duration stretches:
      • Increase range of motion
      • Reduce the risk of injury
      • Improve comfort
      • Elongate dense connective tissue

    Duration of Stretch

    • Shorter duration stretches may require increased repetitions.
    • Static stretches:
      • Hold for durations ranging from 5 seconds to 5 minutes.
      • 30 seconds is a common holding time.
      • Can be performed as static progressive stretches.
    • Cyclic (intermittent) stretches:
      • Short duration stretches repeated; cycles last between 5 and 10 seconds.

    Speed of Stretch

    • The speed at which the stretch is applied influences its effectiveness.
    • Slow application:
      • Encourages muscle relaxation and prevents injury.
      • Easier and safer for the therapist or patient to control.
    • Ballistic stretching:
      • Rapidly forceful intermittent stretching.
      • Not recommended for older adults, sedentary individuals, or those with pathology.
    • High-velocity stretching:
      • Rapid low-load stretch.

    Frequency of Stretch

    • Refers to the number of stretching sessions per day and per week.
    • Recommendation: 2 to 5 sessions per week
    • Daily frequency may include 1 to 3 sessions.
    • Rest between sessions is essential for healing and minimizing soreness.
    • Use clinical judgement and patient response to determine frequency.

    Mode of Stretch

    • How the stretch is applied:
      • Static
      • Ballistic
      • Cyclic
    • Patient participation:
      • Passive
      • Assisted
      • Active
    • Source of the stretch:
      • Manual
      • Mechanical
      • Self

    Manual Stretch

    • External force is applied beyond the available range of motion.
    • Types:
      • Controlled, end-range, static, progressive.
    • Hold for durations varying from 15 to 60 seconds over multiple repetitions.
    • Effectiveness is not conclusively established for all conditions.
    • Often used in the early stages of stretching.

    Self-Stretching

    • Patient actively performs the stretch to increase range of motion.
    • Effectiveness hinges on proper technique and education.
    • Hold for 30 to 60 seconds.
    • Ideal for home exercise programs and long-term self-management.

    Mechanical Stretch

    • A device applies a low-intensity force over prolonged periods, promoting tissue lengthening.
    • Examples:
      • Cuff weights/pulley system
      • Adjustable orthotic devices
    • It's crucial to use the newly achieved range after treatment to maintain it.
    • Hold for 15 to 30 minutes up to 8 to 10 hours; serial casts can be worn for days or weeks.

    PNF (Proprioceptive Neuromuscular Facilitation) Stretching Techniques

    • Includes active muscle contractions to increase flexibility.
    • Requires voluntary control.
    • Employs reciprocal inhibition.
    • Types:
      • Hold-Relax (or Contract-Relax)
      • Agonist Contraction
      • Hold-Relax with Agonist Contraction

    Hold-Relax

    • Isometric contraction of the target muscle group.
    • Patient relaxes, and the stretch is reapplied.

    Steady State

    • Ability to control center of mass (COM) relative to base of support (BOS) in unchanging conditions.
    • Stable body, stable surface (static)
    • Stable body, moving surface (dynamic)
    • Moving body, stable surface (dynamic)
    • Examples: sitting on a bench, sitting on a therapy ball, walking on a firm, flat surface

    Reactive

    • Ability to recover a stable position after unpredictable perturbation
    • Examples: tripping over an object, standing on the metro (accelerates/decelerates quickly)

    Anticipatory

    • Ability to activate muscles to maintain balance before potential destabilizing voluntary movements.
    • Examples: kicking a ball, reaching for objects on high shelves, picking an object up off the floor

    Environmental Considerations

    • Closed: Predictable with no distractions
    • Open: Unpredictable with distractions
    • Lighting: day vs. night, vision loss
    • Footwear: supportive vs. unsupportive
    • Hazards: stairs without hand rails, throw rugs, objects on the ground

    Support Surface

    • Stable vs. unstable
    • Firm vs. compliant
    • Narrow vs. wide

    Primary Physiologic Systems

    • Neurologic: Input from sensory systems, interprets input into motor strategies
    • Musculoskeletal: Posture, range of motion, muscle performance
    • Cardiovascular: Blood flow to the brain

    Sensory Organization/Integration

    • Ability to process various sensory inputs to identify orientation and movement.
    • Visual
    • Somatosensory
    • Vestibular

    Motor Strategies for Balance

    • Fixed: same base of support
      • Ankle
      • Hip
      • Weight shift (lateral)
      • Suspension
    • Change-in-support: change the BOS
      • Stepping
      • Reaching
    • Combined Strategies

    Fixed Support Strategies

    • Ankle
    • Hip
    • Weight Shift (lateral)
    • Suspension

    Change-in-Support Strategies

    • Stepping
    • Reaching

    Causes of Balance Impairment

    • Sensory input:
      • Vision: Changes in acuity, contrast, peripheral field, depth perception
      • Somatosensation: Peripheral neuropathies, aging, ligamentous injuries
      • Vestibular: Viral infections, TBI, aging
    • Biomechanical and motor output:
      • Poor posture
      • Joint range of motion restrictions
      • Muscle performance deficits (weakness, poor coordination)
      • Pain
    • Sensorimotor integration:
      • Reliance on vision/somatosensation
      • Damage to central nervous system
    • Medications:
      • Polypharmacy: Taking more than four medications
      • Side effects: Hypnotics, sedatives, tranquilizers, antihypertensives, diuretics

    Selecting Balance Interventions

    • Highly individualized based on patient goals and impairments
    • Considerations:
      • Type of balance task
      • Level of difficulty: Challenging, but doable
      • Dosage: Repetitions or time
      • Safety: Always maintain safety

    Modifications to Balance Interventions

    • Identify appropriate challenge:
      • Too Easy: Always successful
      • Too Hard: Never successful
    • Progressions and Regressions:
      • Base of support
      • Use of hands/upper extremities
      • Type of surface
      • Use of vision

    Maintaining Safety

    • Gait belt
    • Guard where patient is most likely to fall
    • Environment setup:
      • Stable surface nearby
      • Away from sharp edges/objects
      • Level of distraction
    • Safe footwear:
      • Supportive sneakers, grippy socks
    • Applies to clinic and home exercise program

    Summary

    • Postural control (balance) is complex with interactions between person, task, and environment.
    • Several physiologic systems contribute to balance: nervous, musculoskeletal, and cardiovascular
    • Various fixed and change-in-support motor strategies used to maintain balance.
    • Three types of postural control: steady-state, anticipatory, and reactive.
    • Determining appropriate intervention depends on the patient's goals, the type of postural control affected, level of difficulty, dosage, and the PT’s ability to maintain safety.

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    Related Documents

    Special Cases Narrated Powerpoint Pre-Work PDF
    Introduction to Tissue Healing PDF
    Stretching for Impaired Mobility PDF
    Therapeutic Exercise for Impaired Balance PDF

    Description

    This quiz covers essential precautions and positioning strategies for patients undergoing Posterior Approach Total Hip Arthroplasty (THA). It emphasizes the importance of avoiding hip flexion, adduction, and internal rotation, alongside alternative positioning techniques for safe bed mobility. Test your knowledge and ensure best practices in patient care.

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