Flexor Hallucis Brevis

Description

Illustration of the flexor hallucis brevis

Origin

• Medial part of the under surface of the Cuboid
• Contiguous portion of the third Cuneiform
• Prolongation of the tendon of the Tibialis Posterior Muscle

Insertion

• The medial and lateral sides of the base of the Proximal Phalanx of the great toe
• Additional inserts onto the Sesamoid Bone of the Great Toe

Actions

• Flexes the first metatarsophalangeal joint
• Helps to maintain the medial longitudinal arch
• Assists with the toe-off phase of gait providing increased push-off.

Vascular Supply

• First metatarsal artery (plantar arch), a superficial branch of the medial plantar artery (off the Posterior Tibial Artery)

Innervation

• Medial Plantar Nerve

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Clinical Significance

• Needs to be updated

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See Also

• Physical Exam Foot
• Foot Anatomy (Main)
• Foot Pain (Main)

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