Identify the common mechanisms of injury for a PCL injury

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PCL Sprain/Tear 1) which joint 2) results in stretching or tearing the ________ 3) grade 1 4) grade 3

1) tibiofemoral joint 2)PCL 3) mild stretch 4) sever stretch

PCL Sprain/Tear T/F Many patients have isolated tears and do bad with nonoperative treatment. Non-operative: Acute or chronic grades? older or lower activity conservative treatment for--> Surgical considerations (2) ass. injuries (4)

F Many patients have isolated tears and do bad with nonoperative treatment. They do well Non-operative: *chronic* grades 1-2 older or lower activity conservative treatment for-->grade III Surgical considerations young and return to sports ass. injuries meniscus PLC abnormal laxity or recurrent instability, bony involvement or articular cartilage degeneration

S/s 1) Tenderness in the?? 2) Knee pain location? and severity 3) ROM? 4) instability and_____

1) Popletral fossa 2) Mild kee pain, retro papteller 3) decreased and stiffness 4) Giving away

Epidemiology ___% of all knew injuries Often times can be__ (think of cody's knees)

3-20% of all knew injuries Often times can be can be unidiagnied

Aggravating Factors (5) Easing Factors RICE

Aggravating Factors • Semiflexed position • Ascending or descending stairs • Kneeling • Running • Walking on uneven surface Easing Factors • Elevation • Ice • Rest • Prescribed anti-inflammator

Etiology: Functions: A) How does it limit Ext (think of standing up) B)Prevents ant displacement of___on___ C) prevents ______ of the knee Anterolateral bundle>posteromedial bundle A) ___ taut in flexion, ___ taut in extension B) Highest risk when knee flexion >___ Most commonly injured at____________ __%

Functions: A) Limit anterior rolling of femur on tibia during extension B) Prevents ant displacement o Femur on tib C) Prevents hyper flexion on Knee Anterolateral bundle>posteromedial bundle A) ___ taut in flexion, ___ taut in extension B) AL taut in flexion, PM taut in extension C) Highest risk when knee flexion >90 Most commonly injured at tibial attachment 70%

Objective Tests (5)

Posterior drawer test Sag or Godfrey's sign Active quadriceps test Dial test

Physical Examination level of pain ROM immediate effusion with_______ ____laxity

level of pain- minimal ROM-partially full immediate effusion with intarticular trauma ligament laxity

mechanism of Injury 1) fall on the anterior knee with foot____ 2) hyper___________ 3) whats a dashboard injury

mechanism of Injury 1) fall on the anterior knee with foot plantar flexion 2) hyper exetention 3) direct blow to the front of the knee


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