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Tibialis Anterior Muscle – Attachments, Actions & Innervation

image descriptionTibialis Anterior Muscle

Tibialis Anterior Muscle attached to the lower limb with other muscles
Tibialis Anterior Muscle attached to the lower limb with other muscles
Tibialis Anterior Muscle attached to the lower limb with other muscles
Tibialis Anterior Muscle attached to the lower limb alone
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image descriptionAttachments of Tibialis Anterior Muscle: Origin & Insertion

Origin: (proximal attachments):

  1. Lateral condyle & superior 2/3 of anteriolateral surface of tibia;
  2. Interosseous margin.

Insertion: (distal attachments):

  1. Medial & plantar surfaces of medial cuneiform.
  2. Base of 1st metatarsal along the medial & plantar surfaces.
Tibialis Anterior Muscle attached to the lower limb with other muscles
Tibialis Anterior Muscle attached to the lower limb alone
Tibialis Anterior Muscle - Origin and Insertion
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Actions of Tibialis Anterior Muscle on the foot:

a. image descriptionDorsiflexes foot at ankle.

b. image descriptionInverts foot at ankle.

Nerve to Muscle and its Spinal Segment:

Deep peroneal nerve (L4, L5, S1).

Overview:

Tibialis Anterior Muscle - Test yourself
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