Knee Anatomy
Which bone articulates with the tibia and patella?
Femur
What is Jumper's knee?
Patellar tendonitis
What muscles perform internal rotation?
Adductor(s): longus, brevis, magnus
Piriformis syndrome can commonly be mistaken for what?
Sciatica
Name two of the main concerns for rehab.
What provides cushion to the joint?
Meniscus
A grade 3 LCL tear would be confirmed with what special test?
Varus stress test
Which hip movement is 120 degrees?
Hip flexion
Name two signs/symptoms for an acute femoral fracture.
Bone displacement, muscle laceration, major internal bleeding, muscle spasm, deformity, swelling, etc.
Name two muscles to stretch to regain flexibility?
Hip flexor, quadricep, hamstring, gluteal, calf
What structure provides stability against a valgus forces?
MCL
Which knee brace is most commonly used after surgery?
Knee Immobilizer
What motion do the hamstrings and gluteus maximus perform?
Hip extension
What injury can be seen on an x-ray 2-4 weeks after it occurs?
Myositis ossificans
Name two core exercises.
Plank, sit up, crunch, V-ups, bicycle, flutter kick, Russian twist, etc.
Which knee extensor originates on the anterior inferior iliac spine (AIIS)?
Rectus femoris
Which causes instability with anterior movement of the tibia in relation to the femur?
ACL sprain/tear
What are the normal degrees for hip internal rotation and external rotation?
80%
Name three pieces of equipment to use for rehab.
Dynadisc, boss ball, balance board, airex pad, resistance bands, dumbbells
Which portion of the meniscus in completely avascular?
Inner third
How would S/S for a meniscus tear differentiate from an MCL sprain?
Catching, locking, giving out, etc.
What action does the pectineus perform?
Adduction
Name two signs/symptoms of a hip labral tear.
Locking/clicking, pain in hip/groin, stiff and limited ROM
Name two differences in strength vs. endurance.
Max amount of force vs. ability to repeat an exercise
Heavy weight vs. moderate weight
1-5 reps vs. 10-20+ reps