Medial Plantar Nerve Entrapment (Joggers Foot)

NewsBot · Jun 21, 2020

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Medial Plantar Neurapraxia (Jogger's Foot): Report of 3 Cases
M R Rask
Clin Orthop Relat Res. Jul-Aug 1978;(134):193-5.

Entrapment of the medial plantar nerve in the longitudinal arch causes burning heel pain, aching in the arch, and deficient sensation in the sole of the foot behind the great toe. Long distance valgus running may cause such a disorder in a jogger and the condition usually responds to conservative measures which include a change in running posture of the foot, anti-inflammatory medications, and proper footwear. The name "jogger's foot" is selected for this clinical syndrome.
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NewsBot · Jun 21, 2020

MRI appearance of jogger’s foot
Mark S. Collins, Christin A. Tiegs-Heiden & Matthew A. Frick
Skeletal Radiology (2020)

Objective
To characterize the MRI findings present in patients with clinically proven or suspected jogger’s foot.

Materials and methods
Ten years of medical charts in patients clinically suspected of having jogger’s foot and who had MRI studies completed were identified utilizing a computer database search. Six study cases were identified. The MRI examinations of the study cases and an age- and gender-matched control group were reviewed in a blinded fashion by two musculoskeletal radiologists. Size and signal intensity of the medial plantar nerve were measured and characterized. The medial foot musculature was assessed for acute or chronic denervation changes.

Results
The medial plantar nerve was found to have moderately increased T2 signal compared with normal skeletal muscle in 3/6 study group cases and markedly increased T2 signal in the remaining 3/6 cases. In all control cases, the nerve was reported to have T2 signal equal or minimally higher than normal skeletal muscle. The mean total size of the medial plantar nerve was significantly larger in the study group when compared with that in the control group at all measured locations (p < 0.04).

Conclusions
Abnormal thickness and T2 hyperintensity of the medial plantar nerve centered at the master knot of Henry are characteristic MRI findings in patients with jogger’s foot when compared with control subjects. Muscular denervation changes may also be seen, most commonly in the flexor hallucis brevis muscle.
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NewsBot · Jan 5, 2023

The diagnostic and therapeutic challenges of medial plantar neuropathy in jogger's foot: a case report
Bruno Silva Lopes, Vera Ermida, José Luís Carvalho
International Journal of Therapy and RehabilitationVol. 29, No. 12Case Report

Jogger's foot is characterised by a neuropathic pain along the medial arch of the foot caused by compression of the medial plantar nerve. It is more common in runners, especially when there is an anatomical predisposition or some extrinsic factor that may exert compression on the nerve. This article presents the case of a 59-year-old man, who had pain and paraesthesia along the medial plantar arch of the left foot, lasting for several months. Despite having undergone some conservative treatments (plantar orthosis and physiotherapy) and minimal invasive procedures (cortico-anaesthetic injection and shockwave therapy) the symptoms persisted and amyotrophy of the abductor hallucis muscle became clinically evident. At this point, a magnetic resonance image was taken, showing compression of the medial plantar nerve at the intersection of the flexor hallucis longus and the flexor digitorum longus tendons. Ultrasound-guided treatment with pulsed radiofrequency of the medial plantar nerve was then proposed to try and modulate his chronic neuropathic pain. After the procedure, the patient reported immediate relief of the symptoms, which were maintained over 6 months of follow up after the procedure. This case report illustrates a rare and frequently misdiagnosed cause of midfoot pain and its management using electromagnetic modulation of peripheral nerves by pulsed radiofrequency. This seems to be an effective technique, with long-lasting results.
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NewsBot The Admin that posts the news.

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