Biomechanical Concepts of the Knee

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Biomechanical Concepts of the Knee
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Structures to Review

• Lateral and medial femoral epicondyles
• Intracondylar fossa
• Intracondylar eminence
• Tibial tuberosity
• Patella
• Fibular head
• Medial and lateral tibial epicondyles

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Bones of the Knee

• Femur
• Tibia
• Patella

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Knee Joint Articulations

• Tibiofemoral
• Patellofemoral
• Proximal Tibiofibular Joint

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Knee Joint Structures

• Capsule

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Knee Joint Structures

• Capsule
• Meniscus
• Medial and lateral
• Size differences

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Knee Joint Structures

• Capsule
• Meniscus
• Ligaments
• Medial Collateral

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Knee Joint Structures

• Capsule
• Meniscus
• Ligaments
• Medial Collateral
• Lateral Collateral

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Knee Joint Structures

• Capsule
• Meniscus
• Ligaments
• Medial Collateral
• Lateral Collateral
• Posterior Cruciate

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Knee Joint Structures

• Capsule
• Meniscus
• Ligaments
• Medial Collateral
• Lateral Collateral
• Posterior Cruciate
• Anterior Cruciate

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Knee Joint Structures

• Capsule
• Meniscus
• Ligaments
• Medial Collateral
• Lateral Collateral
• Posterior Cruciate
• Anterior Cruciate
• Popliteal Ligament

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Knee Joint Structures

• Capsule
• Meniscus
• Ligaments
• Medial Collateral
• Lateral Collateral
• Posterior Cruciate
• Anterior Cruciate
• Popliteal Ligament
• Patellar Ligament

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Knee Muscles

• Anterior
• Quadriceps Muscles
• Rectus Femoris
• Vastus Medialis
• Vastus Lateralis
• Vastus Intermedius

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Knee Muscles

• Anterior
• Posterior
• Semimembranosus
• Semitendinosus
• Biceps Femoris

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Knee Muscles

• Anterior
• Posterior
• Lateral
• IT Band

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Knee Muscles

• Anterior
• Posterior
• Lateral
• Medial
• Gracilis
• Sartorius
• Semitendinosus

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Arthrokinematic Movements of the Knee

• Flexion and Extension
• Femur Moving on a Fixed Tibia
• Femur Extending on a Fixed Tibia
• Tibia Flexing on a Fixed Femur
• Tibia Extending on a Fixed Femur
• Internal and External Rotation