What does this research mean for the field?

The motor branches of the tibial nerve exhibit significant morphological variability, with specific and measurable topographical relationships to the fibular head that are critical for guiding tibial neurotomy and nerve blocks. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To characterize the morphological patterns and topographical relationships of the tibial nerve motor branches relative to the fibular head for targeted neurotomy.

August 22, 2026American Journal of Physical Medicine & Rehabilitation

Morphological and Morphometric Analysis of the Motor Branches of the Tibial Nerve Above the Soleus Arch

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Authors

JRJulien Le RouxEuropean Central Bank ADArthur DuboisNantes Université ADAntoine DiasNantes Université

Discussion

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Implication

Cadaveric study reveals anatomical variability in tibial nerve motor branches relative to the fibular head, highlighting landmarks for neurotomy and nerve blocks.

Key Points

To characterize the morphological patterns and topographical relationships of the tibial nerve motor branches relative to the fibular head for targeted neurotomy.
Dissected 51 cadaveric lower limbs to establish a morphological classification of motor nerve branches.
Measured distances from branch origins to a transverse reference line across the fibular head.
The branch to the medial gastrocnemius was consistently the most proximal, originating at a mean distance of 65 mm above the fibular head.
Branches to the lateral gastrocnemius and upper soleus originated at mean distances of 54 mm and 47 mm above the fibular head, respectively, and formed a common trunk in 50% of cases.
The branch to the tibialis posterior originated on average 1 mm above the fibular head, while the lower soleus branch emerged a mean of 20 mm below it.

Cite This Study

Roux et al. (2026) studied this question.

synapsesocial.com/papers/6a895f87ca7ade938187e376 https://doi.org/10.1097/phm.0000000000003138

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Implication

Cadaveric study reveals anatomical variability in tibial nerve motor branches relative to the fibular head, highlighting landmarks for neurotomy and nerve blocks.

Morphological and Morphometric Analysis of the Motor Branches of the Tibial Nerve Above the Soleus Arch

Discussion

Member takes

Implication

Key Points

Cite This Study

Morphological and Morphometric Analysis of the Motor Branches of the Tibial Nerve Above the Soleus Arch

Discussion

Member takes

Implication

Key Points

Cite This Study

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