Preliminary Data Overview
Participants: 447 individuals (mean age 49.9 years) with chronic back or neck pain
Setting: Three rehabilitation facilities in the Netherlands
Intervention: 12-week individualised DAVID Spine program (2–3 sessions per week)
Assessments: Pain (VAS), function (ODI/NDI), kinesiophobia (TSK), isometric trunk strength, and lumbar range of motion (ROM)
Key Findings
1. Functional improvement was remarkable
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ODI (Low back pain): average decrease of −5.9 points (large effect size d = 0.91)
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58% of patients showed ≥30% functional improvement
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NDI (Neck pain): average decrease of −3.1 points (moderate effect size d = 0.60)
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35% achieved ≥30% functional improvement
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2. Fear of movement significantly decreased
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The Tampa Scale of Kinesiophobia (TSK) dropped by around 5.5 points on average (d = 0.8–0.9).
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Reduced movement fear likely contributed to better adherence and continued progress.
3. Strength gains were substantial
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Isometric trunk strength improved significantly in all six Lumbar movement directions, with a median effect size of 1.13 (large).
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The most notable gains were seen in rotation and lateral flexion—key stabilising movements for daily function.
4. Pain levels improved modestly
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Average back pain reduction was −0.7 points on a 10-point VAS scale, though about one-third of participants experienced a clinically meaningful (≥2-point) improvement.
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For neck pain, the group average remained stable, but nearly one-third still reached meaningful relief.
5. Range of motion changes were direction-specific
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Rotation and lateral flexion to the right increased notably (+9.2° and +6.5°), while small decreases were seen in left rotation and extension.
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These findings may inform future optimisation of progression patterns in training protocols.

Figure 1 – Average pre- and post-scores (VAS back/neck, ODI, NDI, TSK)

Figure 2. Changes in Lumbar Strength (Pre vs Post).
Mean (±SD) values for lumbar extension, flexion, and rotation right strength are shown before (Pre) and after (Post) participation in the DAVID Spine training program. All strength directions demonstrated statistically significant improvements (p < 0.001, paired t-tests).
Real-World Evidence Matters
This analysis stands out because it reflects routine care data, not controlled lab conditions. The findings show that even in everyday clinical practice, a standardised, data-driven DAVID Spine program can produce meaningful functional recovery for people with chronic back and neck pain. While pain relief alone may vary between individuals, improvements in disability, fear of movement, and trunk function reflect the core goal of modern rehabilitation: restoring capability and confidence.
Looking Ahead
The authors conclude that approximately one-third to one-half of patients reached clinically meaningful thresholds across outcomes, a strong indication of program effectiveness. Further prospective and controlled studies are underway to validate these findings and deepen understanding of how device-guided rehabilitation can best serve diverse patient populations.
About the DAVID Spine Concept
The DAVID Spine Concept combines biomechanically precise devices, intelligent software, and evidence-based protocols to restore spinal function safely and effectively. With real-time feedback, measurable outcomes, and progressive loading, the system empowers both therapists and patients to track recovery objectively and achieve sustainable results.
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