PPA tut 8a

Active and Passive Long Exercise Interventions for Spinal Pain

  • The exercise sequence focuses on active and passive interventions specifically targeting the lumbar spine, exploring movements under different conditions and patient positions.

  • Flexion in Supine: A primary active movement prescription where the patient's direction of movement is flexed while lying on their back.

  • Knee to Chest Exercise:     - One variation involves lying flat and bringing a single knee toward the chest.     - Another variation involves bringing the chest toward the knee.

  • Sitting Rotation:     - Characterized as reaching to touch the floor or performing a "rowing" motion.     - Designed for patients experiencing pain during sitting or weight-bearing rotation.

  • Gravity-Reduced and Assisted Movements:     - For patients where active range is limited by pain or irritability, gravitational load is removed.     - Assisted movements (Active-Assisted) allow the patient to work strictly within a pain-free or tolerated range.

  • McKenzie Style Exercises:     - Prescribed for highly irritable patients.     - Frequency: "Little and often."     - Repetition Threshold: Approximately 1010 repetitions or following a specific directional preference.     - Range: Patients may only manage up to 20∘20^{\circ} of movement initially.

The Cat-Cow Exercise and Lumbar Specificity

  • Regional Compensation: Patients often use the thoracic spine to compensate for limited lumbar movement. During the Cat-Cow, the spine often "folds" at the low thoracic level rather than the lumbar level.

  • Lumbar-Specific Cues:     - "Curl your tailbone down" to engage the lumbar spine specifically.     - "Stick your butt to the ceiling / Drop the belly."     - "Pop the ass" (informal/tactile cue for pelvic positioning).     - "A hook behind the navel and a fishing line pulling up your back to the ceiling."

  • Clinical Application: Typically used for chronic patients. Tactile feedback (tapping the specific vertebrae) is utilized for patients who struggle with verbal instructions or body awareness.

Progression and Dosage for Therapeutic Exercise

  • Prescription Specifics:     - Duration: 2020 to 3030 seconds per hold or set.     - Sets: 22 to 33 sets.     - Frequency: 22 times per day, every day.

  • Strength vs. Routine Improvement: While 3×103 \times 10 (three sets of ten) is standard for strength, it is often unsuitable for routine mobility improvement or settling acute irritability.

  • Directed Management: In acute cases, clinicians may use taping to keep a patient out of flexion for several days while prescribing non-threatening extension movements to settle the area.

Biering-Sørensen (EHC 11) Endurance Testing and Reliability

  • Test Purpose: Assessment of back extensor endurance.

  • Contraindications: This test is never performed on patients with acute back pain.

  • Indication History: Patients describing weakness, an inability to maintain sustained postures, or "achiness" when leaning forward (e.g., at a 20∘20^{\circ} angle).

  • Standardization for Reliability:     - Start Point: Must be standardized (e.g., holding a flat position vs. max extension).     - Straps: Must be placed in the same location consistently (usually across the ankles, knees, and hips).     - Positioning: The hip line (iliac crest/ASIS) must be standardized relative to the edge of the treatment bed to control the lever arm.     - Encouragement: Levels of verbal motivation and timing must be consistent to ensure the test measures physical capacity rather than psychological motivation.

  • Biomechanical Lever Arms (dd) and Torque (τ\tau):     - Changing the position of the head, neck, or arms alters the lever arm.     - Comparison: A lever arm of 10 cm10\,cm versus 100 cm100\,cm results in a 1010-fold difference in the force required by the muscles.     - Arm positions (e.g., arms by side vs. arms overhead) significantly increase the torque requirements for the back extensors.

Movement Control Impairments (MCI)

  • Definition: A common impairment in spinal pain where the patient must relearn coordination and movement patterns independently of structural pathology.

  • Alternative Drivers for Altered Movement:     - Pain: The movement is purely a response to pain; treatment should focus on pain relief first.     - Fear: Requires reassurance and education to reduce guarding.     - Stiffness: The patient physically lacks the range of motion; the movement cannot be "learned" until flexibility is restored.     - Weakness: For example, a rotator cuff injury where the patient shrugging was the only way to lift the arm until strength returned.

  • RESTORE Trial Data: Research indicates that the speed of movement is most strongly correlated with clinical improvement. Patients with pain often move in a slow, protected, and guarded manner; increasing speed can be a sign of recovery.

  • MCI Patient Archetypes:     - The Bracer: Over-activates the core and erector spinae, holds their breath, and moves very slowly/guardedly due to fear.     - The Slumper: Initiates all flexion from the lumbar spine even in daily tasks (e.g., washing dishes); lacks anterior pelvic tilt and moves primarily from the lower back.

Clinical Reasoning and Training Principles

  • Functional Training Hierarchy:     1. Start by attempting to retrain the movement in a functional position (e.g., standing).     2. If the movement is too complex, painful, or cannot be learned, regress to a non-functional position (e.g., supine or sitting).     3. Once the movement is mastered in the easier position, progress back to the functional position.

  • Feedback Mechanisms: Use of mirrors, palpation, and tactile feedback to ensure the patient does not reinforce "bad" movement patterns at home.

  • Progression Logic:     - Do not provide too many progressions at once (11 or 22 is usually sufficient).     - Patients should be told exactly when they are "ready" to progress based on specific criteria (e.g., "When you can do this without holding your breath").

Questions & Discussion

  • Q: How do you know the best starting position for an exercise?     - A: Aim to retrain in the functional position where the problem occurs. If that is unachievable due to pain sensitivity or an inability to learn the motor task, move to a simpler, more comfortable position with the intent of returning to function once a skill is gained.

  • Q: Should strength and coordination be treated the same?     - A: No. Strength training requires high load, fatigue, and specific repetitions (e.g., 66 reps to fatigue). Coordination (Movement Control) requires high repetitions, frequent daily practice, and should avoid fatigue to prevent reinforcing compensation patterns.

  • Q: Why is pelvic tilting relevant to the patient?     - A: It must be linked back to function. If a patient does not understand how a "weird pelvic tilt" on their back relates to their pain while standing or walking, they will not engage with the exercise.