Digitorum longus muscle

Digitorum Longus Muscle

The digitorum longus muscle, shown in red.

The Digitorum Longus Muscle is a muscle located in the anterior compartment of the leg. It is responsible for flexing the toes and plays a crucial role in walking, running, and jumping.

Anatomy

The digitorum longus originates from the upper 2/3 of the medial surface of the fibula, the anterior surface of the interosseous membrane, and the deep surface of the crural fascia. It inserts into the bases of the distal phalanges of the four lesser toes.

Function

The primary function of the digitorum longus is to flex the toes. It also assists in dorsiflexion of the ankle and inversion of the foot.

Clinical Significance

Damage to the digitorum longus can result in a loss of toe flexion and foot inversion. This can lead to difficulty in walking and a decreased ability to maintain balance.

See Also

• Extensor digitorum longus muscle
• Flexor digitorum brevis muscle
• Flexor digitorum longus muscle

References

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