Download - Knee Injuries
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Bones:› Femur› Tibia› Fibula› Patella
Menisci› Medial Meniscus› Lateral Meniscus
Ligaments:› MCL- Medial Collateral
Ligament› LCL- Lateral Collateral
Ligament› ACL- Anterior Cruciate
Ligament› PCL- Posterior Cruciate
Ligament
LCL
MCL
ACL PCL
Medial Meniscus
LateralMeniscus
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Sprain-Ligament stretching or tearing Grade-one sprains stretch the ligament but don't
tear the fibers
Grade-two sprains partially tear the fibers, but the ligament remains intact
Grade-three sprains are tears that completely disrupt the ligament
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o ACL- located internally in the front of the knee , prevents the knee from sliding forward
o PCL- located behind the knee and forms an "X" on the inside of the knee and prevent the knee from sliding backward
o Signs and Symptoms of injury: o Swelling in the knee occurs within minutes o Athlete may be in mild to severe paino Walking is difficult
o Treatment:o See your Athletic Trainer or Orthopedic Doctoro Long-term treatment may require surgery and
significant physical therapy rehabilitation o Recovery usually takes average of 6 monthso Full function, mobility, strength and comfort
typically return at about 1 year
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MCL- ligament on the inside of the knee, prevents knee from sliding side to side
LCL- ligament located on the outside of the knee, prevents knee from sliding side to side
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-A LCL tears when stress is placed on the inside of the knee
Ex. Kicked from medial (inside) of knee
-The picture above shows a hit to the inside of the knee.
Treatment: -See your Athletic Trainer or Orthopedic Doctor-Rest-Wear a range of motion restricted brace-Ice-Elevate-Surgery may be required
Rehabiliation-Program will be created by Physical Therapist or Athletic Trainer-Depending on level of sprain, recovery may take 2 weeks to several months
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-Meniscus: Functions as a cushion between bones
- The cartilage of the knee can be acutely injured or can gradually tear.
- Signs and Symptoms:- Pain with walking up/down
inclines- “Giving away” of the knee- Swelling occurs gradually over
many hours- See Athletic Trainer or
Orthopedic Doctor for full evaluation
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The kneecap sits within the tendon of the quadriceps muscle, in front of the femur, just above the knee joint.
It is held in place by the quadriceps muscles
- The patella typically subluxates/dislocates laterally (toward the outside of the knee). › Dislocations are returned to the normal
position by straightening out the knee
› See your Athletic Trainer or Orthopedic Doctor for full evaluation
› Rehabilitation will be needed
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Bursa- fluid-filled sac that reduces friction between muscles, tendons and bones
Inflammation of the bursas (bursitis) can occur because of direct blows, chronic use and/or abuse.
Rehab-See your Athletic Trainer or Orthopedic Doctor-Avoiding aggravating movements such as kneeling -Wear knee pads-If the swelling persists, a medical professional may drain the fluid within or around the bursa. -In cases where the bursa has become infected, antibiotics may be prescribed -In more serious cases the bursa may be completely removed by surgical procedures.
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http://www.emedicinehealth.com/knee_injury/article_em.htm http://holidayparkphysicalrehabilitation.patientsites.com/Injuries-
Conditions/Knee/Surgery/Posterior-Cruciate-Ligament-Injuries/a~355/article.html
http://www.nlm.nih.gov?medlineplus/ency/imagepages?18003/htm