knee, foot, ankle ppt Flashcards
What type of joint is the knee?
hinge joint
Genu varus
causes
normal?
Q angle
bow legs
blount’s disease, rickets, skeletal dysplasia, asymmetric growth due to trauma, infection, neoplasia
normal until age 2
decreased Q angle
Genu valgum
causes
normal?
Q angle
knock knees
intrauterine molding, genetic, Cozen fracture, obesity, obesity, trauma
4-7 yo
increased Q angle
anterior cruciate ligament injury/tear
causes
more common in females than males
noncontact sports
PE findings ACL injury/tear
injury with popping sounds with subsequent pain and swelling at the knee, feeling instable
+ anterior drawer test and Lachman test
imaging and treatment ACL injury/tear
MRI
RICE, physical therapy, surgery
PCL injury/tear
cause
uncommon injury
combination with other bulk ligament injury due to trauma
PE findings PCL injury/tear
setting of MVA with multiple injuries, complete dislocation of knee
+ posterior drawer test
+ sag sign
imaging and treatment PCL injury
XR, MRI
RICE, hinge bracing immobilizer, PT, ortho referral
medial collateral ligament injury
most common ligament injury
athletes in sports that involve sudden change in direction
PE findings for MCL injury
pain and swelling of knee, laxity with valgus stress test
treatment of MCL injury
RICE, PT
LCL injury
causes
least common injury
joint struck from medial side (varus stress)
PE findings for LCL injury
blow to medial or anteromedial aspect of leg with resulting lateral or posterolateral knee pain. swelling, locking, and knee giving out under stress.
+ varus test
+ posterior drawer test
+ dial test
treatment for LCL injury
low grade: PT and crutches
high grade: immobilization
meniscal injury
causes
common twisting injuries (sports), chronic degenerative tears of meniscus or cartilage in older patients
PE findings of meniscal injury
joint line tenderness, joint effusion/swelling, catching, pain with certain movements, inability to squat/kneel
+McMurray test
+ Apley grind test
imaging and treatment of meniscal injury
XR, US, MRI
RICE, crutches, PT, ortho referral
patellofemoral pain
other name
causes
Retropatellar pain syndrome, runner’s knee, lateral facet compression syndrome, idiopathic anterior knee pain
overuse disorder, biomechanical abnormalities, dynamic biomechanical abnormalities
PE findings for patellofemoral pain
anterior knee pain around or behind patella, pain aggravated activity or weight bearing
+squatting
+ patellar glide