Size
2 x as strong as ACL
About the same length as ACL 38 mm
Cross sectional area 150% of ACL
13 mm diameter (thicker)
2 Bundles
1. Anterolateral
- most important
- double the size of the posteromedial
- tight in flexion
- try to reconstruct this bundle
3 Sesamoids may be present in great toe
- 2 almost always present on plantar aspect of MTPJ
- 1 may be present on plantar aspect of IPJ
MTPJ sesamoids most important
- embedded in FHB tendons
- held together by intersesamoid ligament & plantar plate
- each side of crista / inter-sesamoid ridge
- articulate with plantar facets of 1st MT
Tibial usually larger than fibula