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Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Neuroscience · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology (Index, Outline)
|Nerve: Tibial nerve|
|Plan of sacral and pudendal plexuses. (Tibial nerve labeled at center left.)|
|Nerves of the right lower extremity Posterior view.|
|Gray's||subject #213 960|
|Innervates||Medial: abductor hallucis, flexor digitorum brevis, flexor hallucis brevis, first lumbrical|
Lateral: quadratus plantae, flexor digiti minimi, adductor hallucis, the interossei, three lumbricals. and abductor digiti minimi
|From||sacral plexus via sciatic nerve|
|To||medial plantar nerve, lateral plantar nerve|
In the popliteal fossa the nerve gives off branches to gastrocnemius, popliteus, soleus and plantaris, and the sural nerve. The sural nerve is joined by fibres from the common peroneal nerve and runs down the calf to supply the lateral side of the foot.
Below the soleus muscle the nerve lies close to the tibia and supplies the tibialis posterior, the flexor digitorum longus and the flexor hallucis longus. The nerve passes into the foot below the medial malleolus. Here it is bound down by the flexor retinaculum in company with the posterior tibial artery.
In the foot, the nerve divides into medial and lateral plantar branches.
Medial plantar nerve Edit
The medial plantar nerve supplies: the abductor hallucis, the flexor digitorum brevis, the flexor hallucis brevis and the first lumbrical. Cutaneous distribution of the medial planter nerve is to the medial sole and medial three and one half toes, including the nail beds on the dorsum (like the median nerve in the hand).
Lateral plantar nerveEdit
The lateral plantar nerve supplies quadratus plantae, flexor digiti minimi, adductor hallucis, the interossei, three lumbricals. and abductor digiti minimi. Cutaneous innervation is to the lateral sole and lateral one and one half toes (like the ulnar nerve).
- Duke Orthopedics tibial_nerve
- Image - upper, at comcast.net
- Image - lower, at southfloridasportsmedicine.com
lumbar plexus: iliohypogastric - ilioinguinal - genitofemoral (femoral branch/lumboinguinal, genital branch) - lateral cutaneous of thigh (patellar) - obturator (anterior, cutaneous, posterior, accessory) - femoral (anterior cutaneous branches, saphenous)
sacral/coccygeal plexus: to quadratus femoris - to obturator internus - to the piriformis - superior gluteal - inferior gluteal - posterior cutaneous of thigh (inferior cluneal, perineal branches)
sciatic: tibial (medial sural cutaneous, sural, medial calcaneal, medial plantar, lateral plantar) - common fibular (lateral sural cutaneous, deep fibular, superficial fibular, medial dorsal cutaneous, intermediate dorsal cutaneous)
- de:Nervus tibialis
- fr:Nerf tibial
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