Muscles / Lower legs
Tibialis anterior
- Lower legs
- Leg & ankle
- Superficial layer
Also called TA (leg), anterior tibialis.
Anatomy
- Origin
- Lateral condyle and upper half of the lateral tibia; interosseous membrane
- Insertion
- Medial and inferior surfaces of the medial cuneiform and base of the 1st metatarsal
- Nerve
- Deep fibular nerve (L4-L5)
Actions
- Dorsiflexes the ankle
- Inverts the foot
- Controls foot lowering after heel strike
Exercises that train it most
Also trained by
Notes
- Weakness (e.g. common fibular nerve palsy, L4-L5 radiculopathy) produces foot drop and steppage gait.
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e