Anterior Cruciate<unk> 
Limits anterior translation of tibia
75% of all hemarthroses are caused by disruption of ACL
Posterior Cruciate<unk> 
Limits posterior translation of tibia
Isolated<unk>  are rare
Medial Collateral<unk> 
Provide restraint against valgus (outward) stress
Lateral Collateral<unk> 
Provide restraint against varus (inward) stress
Limits anterior translation of tibia
75% of all hemarthroses are caused by disruption of ACL
Limits posterior translation of tibia
Isolated<unk>  are rare
Provide restraint against valgus (outward) stress
Provide restraint against varus (inward) stress
Meniscus and ligament knee injuries
Knee dislocation
Acute knee injury
Knee fractures
Ankle syndesmosis injury
Patella fracture
Boxer's fracture
Segond fracture