Expert Verifed Ace the Test
ACL role/function - ANSWER ✔✔Stabalize knee extension
PCL role/function - ANSWER ✔✔RESTRICT Posterior Translation of
tibia on femur during knee flexion.
RESTRICT knee hyper flexion
MCL role/function - ANSWER ✔✔RESTRICT Valgus
LCL role/function - ANSWER ✔✔RESTRICT Varus
ACL moi? - ANSWER ✔✔Non-contact, COMBINED movements =
foot planted + knee hyperextension, Genu Valgus + Tibial Rotation (plant
and pivot), BLOW to Lateral side of knee, "Unhappy Triad"
, "Unhappy Triad"? - ANSWER ✔✔HIGH VALGUS force can tear the
ACL, MCL, and MEDIAL MENISCUS
PCL moi? - ANSWER ✔✔Rare on its own, happens when other
tissue damaged. CONTACT: falling and landing on tibial tuberosity
WHILE knee FLEXED
"Dashboard Injury"? - ANSWER ✔✔In car: Head on collision where
tibia STRIKES dashboard
MCL moi? - ANSWER ✔✔Non-Contact = foot PLANTED while
PIVOTING in opposite direction.
Contact = blow to lateral side of knee, HIGH VALGUS force
LCL moi? - ANSWER ✔✔Non-Contact = foot PLANTED while
PIVOTING in opposite direction.
Contact = blow to lateral side of knee, HIGH VALGUS force
Orthopedic Tests for Ruptured ACL? - ANSWER ✔✔Anterior Drawer
Test
Pivot Shift