role of the PCL
resists posterior subluxation
cause
direct blow to anterior tibia with flexed knee or hyperextension
what is the risk in this injury?
injuring peroneal nerve (common fibular nerve) which presents with foot drop (BUZZWORD)
what does this often occur with?
often part of multiple ligament knee injury with incidence of vascular injury (popliteal artery)
presentation
instability descending stairs
pain
bruising
management
tendon graft surgery