- Inversion: rotational movement of the foot on the talus in which the medial border is raised so the sole faces medially.
- Eversion: rotational movement of the foot on the talus in which the lateral border is raised so the sole faces laterally.
Differences Between Inversion and Eversion
Differences between inversion and eversion
Point
Definition
- Inversion
- Medial border of foot raised, sole faces medially
- Eversion
- Lateral border of foot raised, sole faces laterally
Range of motion
- Inversion
- 30 degrees (greater range)
- Eversion
- 20 degrees (lesser range)
Principal muscles
- Inversion
- Tibialis anterior, Tibialis posterior
- Eversion
- Peroneus longus, Peroneus brevis