Tibialis posterior

Schematic anatomy
Deep layerTibialis posterior

Legs

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Quadriceps

Rectus femorisVastus lateralisVastus medialisVastus intermedius

Hamstrings

Biceps femorisSemitendinosusSemimembranosus

Glutes

Gluteus maximusGluteus mediusGluteus minimus

Adductors

Adductor longusAdductor brevisAdductor magnusGracilisPectineus

Hip flexors

Psoas majorIliacusTensor fasciae lataeSartorius

Hip rotators

PiriformisObturator internusObturator externusSuperior gemellusInferior gemellusQuadratus femoris

Calves

GastrocnemiusSoleus

Shins & ankles

Tibialis anteriorTibialis posteriorFibularis longus & brevisExtensor digitorum longusExtensor hallucis longusFlexor digitorum longusFlexor hallucis longus

Feet

Abductor hallucisFlexor hallucis brevisAdductor hallucisFlexor digitorum brevisQuadratus plantaeFoot interossei & lumbricalsAbductor digiti minimiExtensor digitorum & hallucis brevis
Movement guide

Tibialis posterior

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Deep calf muscle that inverts the foot, assists plantar flexion, and supports the arch.

01

Band ankle inversion

Ankle control · Light band

Also works

Tibialis anterior

How to perform

Sit with your leg supported. Against a light band, turn the sole inward through a small range, then return.

Move at the ankle; keep the knee and hip still.

Example volume · 2 sets × 10–15 / side

02

Single-leg calf raise

Unilateral · Bodyweight

Also works

Gastrocnemius, soleus; foot muscles stabilize

How to perform

Hold a support for balance. Lift and lower the heel of one leg with control.

Keep the ankle aligned rather than rolling outward.

Example volume · 3 sets × 10–15 / side

Referencesorthoinfo.aaos.org

Community draft · awaiting expert review