Anomalous plantar intrinsic foot muscle

NewsBot · Feb 15, 2021

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Anomalous plantar intrinsic foot muscle attaching to the medial longitudinal arch: possible mechanism for medial nerve entrapment: a case report
R Claire Aland et al
J Med Case Rep. 2021 Feb 13;15(1):58

Background: Muscular variations are potentially symptomatic and may complicate imaging interpretation. Intrinsic foot musculature and extrinsic tendon insertion variations are common. Distinct supernumerary muscles are rare. We report a novel anomalous intrinsic foot muscle on the medial longitudinal arch.

Case presentation: An accessory muscle was encountered on the medial arch of the right foot of a 78-year-old white male cadaver, between layers two and three of the foot intrinsics. It did not appear to be a slip or variant of a known foot muscle. This muscle consisted of two slips that ran transversely on the plantar aspect of the medial arch, crossing the medial transverse tarsal joint and attaching to the tuberosity of the navicular, the short and long plantar ligaments, and spring ligament.

Conclusions: The medial plantar vessels and nerve passed from deep to superficial between the two slips, and this suggests a possible location for medial nerve entrapment.
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NewsBot · Apr 4, 2023

A Rare Variation of Plantar Interossei
Muscles of the Foot – a Case Report
Mrudula CHANDRUPATLA et al
MAEDICA – a Journal of Clinical Medicine 2023; 18(1): 153-156

The variations in the attachment of plantar interossei might affect the gait of the individual and also
raise questions about the function of this muscle at the tarsometatarsal joints. During routine dissection of
the right lower limb, we encountered a unique variation in the attachment of plantar interossei. The first
plantar interossei took origin from the lateral side of the base of the first metatarsal and inserted into the
lateral side of the base of the proximal phalanx of the great toe. The second and third plantar interossei took
origin from the medial surface of the base of the second and third metatarsals, respectively, and inserted
into the medial side of the base of the proximal phalanges of the corresponding digits. The third and fourth
intermetatarsal spaces were void, indicating the absence of these muscles from those spaces. The clinical
significance of this variation has been discussed.
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NewsBot · Jun 5, 2023

A Rare Variation of Plantar Interossei Muscles of the Foot - a Case Report
Mrudula Chandrupatla et al
Maedica (Bucur). 2023 Mar;18(1):153-156

The variations in the attachment of plantar interossei might affect the gait of the individual and also raise questions about the function of this muscle at the tarsometatarsal joints. During routine dissection of the right lower limb, we encountered a unique variation in the attachment of plantar interossei. The first plantar interossei took origin from the lateral side of the base of the first metatarsal and inserted into the lateral side of the base of the proximal phalanx of the great toe. The second and third plantar interossei took origin from the medial surface of the base of the second and third metatarsals, respectively, and inserted into the medial side of the base of the proximal phalanges of the corresponding digits. The third and fourth intermetatarsal spaces were void, indicating the absence of these muscles from those spaces. The clinical significance of this variation has been discussed.
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Anomalous plantar intrinsic foot muscle

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Anomalous plantar intrinsic foot muscle

NewsBot The Admin that posts the news.

NewsBot The Admin that posts the news.

NewsBot The Admin that posts the news.

Plantar heel nodules

Plantar heel nodules

Plantar pressures and bone mineral density

High prevalance of HPV in intractable plantar keratosis

Phytoterpenes for the Treatment of Plantar Fasciitis

Treating plantar fasciitis; American Physical Therapy Association guidelines

Vibration for plantar fasciitis

Share This Page

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