Fibularis brevis tendon

Tendo musculi fibularis brevis

MuscularDeep musclesLegLeft and right

View left in 3D View right in 3D

What it is
Runs behind the lateral malleolus in front of the fibularis longus tendon, above the fibular trochlea, to the tuberosity at the base of the fifth metatarsal.
Function
Everts the foot.
Size
About 12 cm long, 5 mm diameter.
Clinical note
Longitudinal splits of this tendon against the back of the fibula are a common finding after chronic ankle instability.