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Gunderson et al. Plast Aesthet Res 2023;10:50 https://dx.doi.org/10.20517/2347-9264.2023.42 Page 7 of 15

Medial branch of dorsal metatarsal nerve Distal 1 4.5 N/A
Pelvic limb - plantar
Tibial nerve Proximal 6 8.2 0.88
Lateral plantar nerve Proximal 6 5.31 0.79
Lateral plantar nerve Midpoint 6 5.53 0.44
Lateral plantar nerve Distal 6 5.2 1.18
Medial plantar nerve Proximal 6 6.42 1.33
Medial plantar nerve Midpoint 6 5.28 0.62
Medial plantar nerve Distal 6 6 0.82

Figure 2. Topographical Neural Anatomy. Representative drawings of topographical neural anatomy of the thoracic (A and B) and
pelvic (C and D) sheep limbs in dorsal (A and C) and palmar (B and D) planes. Individual branching patterns of n = 3 sheep limbs are
demonstrated by different colors.

The ventral pelvic limb had the most consistent neural topography at the level of the metatarsus, with the
tibial nerve branching into the lateral plantar and medial plantar nerves. The branching point was always
just above the proximal point or within the proximal one-half of the metatarsal.

On the dorsal pelvic limb, the superficial and deep fibular nerves were always present at the proximal point.
The superficial fibular nerve branches into the dorsal common digital nerves. Even when it does not branch,
by convention, its name is changed to the central branch of the dorsal common digital nerve after the
midpoint. The deep fibular nerve branches into the dorsal metatarsal nerves. Even when it does not branch,
by convention, its name is changed to the central branch of the dorsal metatarsal nerve at the midpoint. The
points of bifurcation of the superficial fibular nerve were widely variable. The deep fibular nerve only
bifurcated in one limb. The location of superficial and deep fibular nerves in the horizontal plane at the level