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PEDS240 Lecture Notes - Hyaline Cartilage, Chondromalacia Patellae, Quadriceps Femoris Muscle

4 pages91 viewsWinter 2013

Physical Education and Sport
Course Code
Brad Kern

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March 11 – Knee
Acute Patella Sublaxation or Dislocation
Cause of Injury
Deceleration with simultaneous coming in opposite direction (valgus force at
Quad pulls the patella out of alignment
Some athletes may be predisposed to injury
Repetitive sublaxation will impose stress to medial restraints
More commonly seen in female athletes
Signs of Injury
With sublaxation, pain, swelling, restricted ROM, palpable tenderness over
abductor tubercle
Dislocations result in total loss of function
First time dislocation = assume fracture
Immobilize and refer to physician for reduction
Ice around the joint
Following reduction, immobilization for at least 4 weeks with use of crutches
After immobilization period, horseshoe pad with elastic wrap should be used
to support patella
Muscle rehab focusing on muscle around the knee, thigh and hip are key
(STLR’s are optimal for the knee)
Chondromalacia Patella
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