20/04/2026
๐ก๐ฒ๐๐ฟ๐ผ๐ฑ๐๐ป๐ฎ๐บ๐ถ๐ฐ ๐ง๐ฒ๐ฐ๐ต๐ป๐ถ๐พ๐๐ฒ๐ ๐ณ๐ผ๐ฟ ๐๐ถ๐ฎ๐ฏ๐ฒ๐๐ถ๐ฐ ๐ฃ๐ฒ๐ฟ๐ถ๐ฝ๐ต๐ฒ๐ฟ๐ฎ๐น ๐ก๐ฒ๐๐ฟ๐ผ๐ฝ๐ฎ๐๐ต๐
โฌ Diabetes is currently the most prevalent metabolic disease globally, affecting over 520 million people.
โฌ Nearly half of all adults with diabetes will eventually suffer from Diabetic Peripheral Neuropathy (DPN).
โฌ This debilitating condition is the primary culprit behind diabetic foot ulcers, yet standard treatments generally focus on broad diabetes and pain control rather than directly treating the affected nerves.
โฌ However, a 2025 randomized, sham-controlled trial by Ashoori et al. offers promising evidence for a physical rehabilitation approach: Neurodynamic Techniques (NDTs).
โ ๐ช๐ต๐ฎ๐ ๐๐ฟ๐ฒ ๐ก๐ฒ๐๐ฟ๐ผ๐ฑ๐๐ป๐ฎ๐บ๐ถ๐ฐ ๐ง๐ฒ๐ฐ๐ต๐ป๐ถ๐พ๐๐ฒ๐ (๐ก๐๐ง๐)?
โฌ People with DPN typically exhibit altered nerve biomechanics and reduced nerve excursion (the ability of the nerve to glide smoothly during movement).
โฌ NDTs are manual therapies designed to address this by applying targeted mechanical forces to nerve structures through specific postures and multi-joint movements.
โฌ In this trial, therapists applied tibial nerve "slider" techniques.
โฌ For example, the patient lay on their side with their hip flexed while the therapist rhythmically mobilized their ankle (into dorsiflexion and plantarflexion) in coordination with the patient's head and neck movements.
โฌ The mechanical goal of these "sliders" is to promote significant excursion of the peripheral nerve within its surrounding tissues, reducing mechanical tension on the nerve.
โ ๐ง๐ต๐ฒ ๐ฆ๐๐๐ฑ๐ ๐๐ฒ๐๐ถ๐ด๐ป
โฌ The researchers recruited 40 adults (aged 40 to 70) diagnosed with Type 2 DPN.
๐งฉ ๐ง๐ต๐ฒ ๐๐ฎ๐๐ฒ๐น๐ถ๐ป๐ฒ ๐ง๐ฟ๐ฒ๐ฎ๐๐บ๐ฒ๐ป๐
โฌ Both the experimental and sham groups received a standard rehabilitative pain management strategy consisting of transcutaneous electrical nerve stimulation (TENS) and tibial nerve massage.
๐งฉ ๐ง๐ต๐ฒ ๐๐
๐ฝ๐ฒ๐ฟ๐ถ๐บ๐ฒ๐ป๐๐ฎ๐น ๐๐ฟ๐ผ๐๐ฝ
โฌ Received real distal and proximal tibial nerve slider NDTs.
๐งฉ ๐ง๐ต๐ฒ ๐ฆ๐ต๐ฎ๐บ ๐๐ฟ๐ผ๐๐ฝ
โฌ Received a believable "sham" NDT.
โฌ To create a placebo effect without actually mobilizing the nerve, the therapist positioned the patient's hip in less flexion and more abduction, which biomechanically decreases strain on the nerve structures.
โฌ The intervention was delivered over eight sessions spanning a one-month period.
โ ๐๐ฒ๐ ๐๐ถ๐ป๐ฑ๐ถ๐ป๐ด๐: ๐ ๐ ๐ถ๐
๐ผ๐ณ ๐ฆ๐๐บ๐ฝ๐๐ผ๐บ ๐ฅ๐ฒ๐น๐ถ๐ฒ๐ณ ๐ฎ๐ป๐ฑ ๐จ๐ป๐ฐ๐ต๐ฎ๐ป๐ด๐ฒ๐ฑ ๐ฃ๐ต๐๐๐ถ๐ผ๐น๐ผ๐ด๐
๐ง ๐ฆ๐ถ๐ด๐ป๐ถ๐ณ๐ถ๐ฐ๐ฎ๐ป๐ ๐ฅ๐ฒ๐ฑ๐๐ฐ๐๐ถ๐ผ๐ป๐ ๐ถ๐ป ๐ก๐ฒ๐๐ฟ๐ผ๐ฝ๐ฎ๐๐ต๐ ๐ฆ๐ฒ๐๐ฒ๐ฟ๐ถ๐๐
โฌ The study's primary outcome was the Michigan Diabetic Neuropathy Score (MDNS), a 46-point scale evaluating sensation, strength, and reflexes.
โฌ The addition of real NDTs resulted in a large, clinically significant improvement in overall neuropathy severity, specifically in the sensory and motor sub-scores.
โฌ Deep tendon reflexes did not improve significantly, likely because the MDNS includes upper limb reflexes, whereas the treatment only targeted the lower limbs.
๐ ๐๐บ๐ฝ๐ฟ๐ผ๐๐ฒ๐ฑ ๐ค๐๐ฎ๐น๐ถ๐๐ ๐ผ๐ณ ๐๐ถ๐ณ๐ฒ (๐ค๐ผ๐)
โฌ Using the NeuroQoL questionnaire, the researchers found that NDTs significantly improved patients' overall quality of life with a medium effect size.
โฌ By alleviating pain, paresthesia, and mobility limitations, NDT provided meaningful daily relief.
๐ ๐๐ป๐ต๐ฎ๐ป๐ฐ๐ฒ๐บ๐ฒ๐ป๐๐ ๐ถ๐ป ๐ฅ๐ฎ๐ป๐ด๐ฒ ๐ผ๐ณ ๐ ๐ผ๐๐ถ๐ผ๐ป (๐ฅ๐ข๐ )
โฌ The researchers measured Straight Leg Raise (SLR) range of motion to assess flexibility and nerve mechanosensitivity.
โฌ They found that NDTs yielded small to medium improvements in plantarflexion SLR ROM.
โฌ This suggests that the benefits of NDTs extend beyond neural tissues, likely helping surrounding non-neural structures (like the hamstring muscles) accommodate to elongation.
โก ๐ก๐ผ ๐๐ต๐ฎ๐ป๐ด๐ฒ ๐ถ๐ป ๐ก๐ฒ๐ฟ๐๐ฒ ๐๐ผ๐ป๐ฑ๐๐ฐ๐๐ถ๐ผ๐ป ๐ฃ๐ฎ๐ฟ๐ฎ๐บ๐ฒ๐๐ฒ๐ฟ๐
โฌ Despite the clinical improvements in pain and QoL, the study found no statistically significant changes in nerve conduction parameters, such as nerve conduction velocity (NCV), distal latency, or amplitude.
โฌ The authors note that electrophysiological recovery in the peripheral nervous system typically occurs very gradually over time.
โฌ In compression neuropathies, it can take months or even years to see nerve conduction improvements, and symptom relief often precedes measurable physiological changes.
โฌ Furthermore, the short duration of the trial (8 sessions over one month) may not have been a sufficient "dosage" to trigger measurable electrophysiological changes.
โ ๐๐ผ๐ ๐๐ผ๐ฒ๐ ๐ก๐๐ง ๐๐ฐ๐๐๐ฎ๐น๐น๐ ๐ช๐ผ๐ฟ๐ธ?
๐ฌ ๐ฃ๐ฟ๐ผ๐ฝ๐ผ๐๐ฒ๐ฑ ๐ ๐ฒ๐ฐ๐ต๐ฎ๐ป๐ถ๐๐บ๐
โฌ Mechanical Relief: By improving nerve gliding and diminishing scar tissue adhesions, NDTs reduce mechanical tension on the nerve.
โฌ Reduced Swelling and Hypoxia: Mobilization helps disperse intraneural fluid and reduce intraneural edema (swelling), which in turn restores blood flow and eases nerve hypoxia (lack of oxygen).
โฌ Pain Modulation: Previous animal studies indicate that neural mobilization can lower pro-inflammatory cytokines in DPN nerves and even modulate endogenous opioid expression (like endorphins) in the brain, naturally relieving pain.
โ ๐๐ถ๐บ๐ถ๐๐ฎ๐๐ถ๐ผ๐ป๐ ๐ฎ๐ป๐ฑ ๐๐๐๐๐ฟ๐ฒ ๐๐ถ๐ฟ๐ฒ๐ฐ๐๐ถ๐ผ๐ป๐
โฌ The authors were careful to note that this intervention is a conservative management strategyโit mitigates severity but does not "treat" or cure the underlying DPN.
โฌ The trial was also limited by its small sample size, which left it underpowered to conclusively measure subtle outcomes like mechanosensitivity or nerve conduction.
โฌ Additionally, because DPN is a polyneuropathy affecting all lower limb nerves, future trials should explore applying NDTs to the sural and peroneal nerves in addition to the tibial nerve.
โ ๐ง๐ต๐ฒ ๐๐ผ๐๐๐ผ๐บ ๐๐ถ๐ป๐ฒ
โฌ For patients struggling with the daily toll of Diabetic Peripheral Neuropathy, adding tibial nerve sliders to a standard pain management routine offers a safe, effective way to significantly reduce symptom severity and improve quality of life.
