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OCPM 3rd plantar layer Muscles
Questions
28
Medical
Professional
04/24/2009

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Term
Flexor Digiti Minimi Brevis Origin?
Definition
Plantar medial aspect of the base of the 5th Met and Fibularis Longus Tendon Sheath/Fibular Canal
Term
Flexor Digiti Minimi Brevis Insertion?
Definition
Plantar lateral aspect of the base of the Proximal Phalanx of 5th Digit, with Abductor Digiti Minimi M.
Term
Flexor Digiti Minimi Brevis Action?
Definition
Plantar Flexion of the 5th Digit at the MTPJ
Term
Flexor Digiti Minimi Brevis Nerve Supply?
Definition
Superficial branch of the Lateral Plantar N.
Term
Flexor Digiti Minimi Brevis Arterial Supply?
Definition
Lateral Plantar A.
Term
Flexor Hallucis Brevis Origin?
Definition
Lateral Part-adjacent plantar aspects of the Cuboid and the Lateral Cuneiform. Medial Part-tendon of Tibialis Posterior M.
Term
Flexor Hallucis Brevis Insertion?
Definition
Plantar medial and plantar Lateral Tubercles of the base of the Hallucal Proximal Phalanx.
Term
Flexor Hallucis Brevis Action?
Definition
Plantar flexes the Hallux at the MTPJ
Term
Flexor Hallucis Brevis Nerve Supply?
Definition
Medial Plantar N
Term
Flexor Hallucis Brevis Arterial Supply?
Definition
1st Plantar Met. A
Term
Adductor Hallucis Origin?
Definition
Transverse Head-the 3rd throught 5th plantar plates and the DTML, plantarly. Oblique Head-plantar aspect of the base of 2nd through4th Mets and the Fibulais longus Tendo Sheath/Fibular Cannal
Term
Adductor Hallucis Insertion?
Definition
Lateral/Fibular Sesamoid and Lateral Tubercle of the 1st Proximal Phalangeal Base
Term
Adductor Hallucis Action?
Definition
Adducts the Hallux; aids in plantar flexion of the Hallux
Term
Adductor Hallucis Nerve Supply?
Definition
Deep branch of the Lateral Plantar N
Term
Adductor Hallucis Arterial Supply?
Definition
Plantar Met aa. (all 4)
Term
How many muscles are in the third layer?
Definition
3
Term
How many, and what tendons pass through this layer?
Definition
2, Peroneus Longus and Tibialis Post. Mm
Term
Which muscle of the third layer has a Y-shaped tendinous origin?
Definition
Flexor Hallucis Brevis M.
Term
Which muscle of the third layer is located most laterally?
Definition
Flexor Digiti Minimi (Quinti) Brevis M.
Term
What is the variation of the Flexor Digiti Minimi Brevis M?
Definition
Opponens Digiti Minimi M.
Term
What is the aciton of Opponens Digiti Minimi M?
Definition
Plantar flex and adduct the 5th Met, and to oppose the 1st Met.
Term
What is the insertion of Opponens Digiti Minimi M?
Definition
Plantar aspect of the 5th Met head
Term
What is the central muscle of the 3rd layer?
Definition
Adductor Hallucis M
Term
What is another name for the Adductor Hallucis M?
Definition
Transverse Pedis M
Term
What are the names of the two heads of the Adductor Hallucis heads?
Definition
Transverse and Oblique
Term
What is the variation Adductor Halluucis M?
Definition
Opponens Hallucis M
Term
What is the Action of the Opponens Hallucis M?
Definition
Adduct and plantar flex the 1st Met and oppose the 5th Met.
Term
What is the insertion of the Opponens Hallucis M.?
Definition
Plantar aspect of the 1st Met head.
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