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Knee Outline
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Designed to Provide Stability Provide Mobility Knee
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Bones Femur Patella Tibia Fibula Longest and the strongest
Sesamoid = bone within tendon, shock absorption Tibia Primary weight bearing bone in lower leg Fibula Bears no weight, attachment site for muscles Gives stability to ankle Bones
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Ligaments Medial Collateral Ligament (MCL)
Protects from medial displacement Lateral Collateral Ligament (LCL) Protects from lateral displacement Anterior Cruciate Ligament (ACL) Most frequently ruptured, protects from anterior tibia motion Originates on anterior tibial plateau, and on posterior femur Posterior Cruciate Ligament (PCL) Protects from posterior displacement Ligaments
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Medial Meniscus C shaped Lateral Meniscus O shaped Cartilage
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Muscles Anterior Thigh Posterior Thigh Quadriceps Knee Extensors (4)
Hamstrings Knee Flexors (3) Muscles
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Muscles Medial Thigh Lateral Thigh Lower Leg Groin Leg Adductors (3)
Tensor Fascia Latae Leg Abductors Lower Leg Gastrocnemius, soleus Knee Flexors Muscles
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Palpations Quadriceps Hamstrings MCL LCL
Medial & Lateral Borders of Patella Medial & Lateral Joint Line Patellar Tendon Tibial Tuberosity Grastrocnemius PCL ACL Pes Anserinus Insertion Palpations
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