EIU PED 2440 - The Knee Joint (39 pages)

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The Knee Joint



Previewing pages 1, 2, 3, 18, 19, 37, 38, 39 of actual document.

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The Knee Joint

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Pages:
39
School:
Eastern Illinois University
Course:
Ped 2440 - Kinesiology

Unformatted text preview:

THE KNEE JOINT BONES OF THE KNEE FEMUR Lateral condyle 6 left Medial condyle 8 left Intercondylar fossa 7 left FEMUR FEMUR TIBIA Medial condyle Lateral condyle Tibial Tuberosicty Medial Malleolus TIBIA TIBIA Anterior medial surface Insertion for semitedonosis semimembranosis gracilis and sartorius Gerdy s tubercle IT band insertion FIBULA No connection with the femur Head Lateral malleolus PATELLA A sesamoid floating bone Protection Mechanical advantage to quads Without the patella 30 more force would be required by the quads PATELLA THE KNEE 1 2 3 4 5 6 7 8 9 Femur medial condyle Femur lateral condyle Tibia medial condyle Tibia lateral condyle Anterior medial surface Tibial tuberoscity Gerdy s tubercle IT band insertion Head of fibula Patella KNEE LIGAMENTS AND CARTILAGE COLLATERAL LIGAMENTS They are important in controlling Tibial rotation Anterior and posterior tibial displacement Valgus knocked kneed Varus blow legged MEDIAL COLLATERAL Medial aspect of the knee Attached to medial meniscus LATERAL COLLATERAL Lateral aspect of the knee Is not attached to lateral meniscus VALGUS AND VARUS Valgus lateral force Stress to the medial collateral ligament Varus Medial force Stress to the lateral collateral ligament VALGUS AND VARUS Impact Stretch Stretch Impact CRUCIATE LIGAMENTS ANTERIOR CRUCIATE LIGAMENT Inferior end proximal anterior tibia Superior end distal posterior femur Prevents excess anterior motion of the tibia and posterior motion of the femur ACL ACL Anterior Posterior Anterior Posterior P F P F T T POSTERIOR CURCIATE LIGAMENT Posterior Inferior end proximal posterior tibia Superior end distal posterior to middle femur Prevents excessive posterior movement of the tibia and anterior movement of the femur Anterior PCL PCL Sliding of the tibia with respect to the femur a condition refered to as the drawer sign is an indication of the integrity of the cruciate ligaments The anterior drawer sign is tibial displacement beneath the femur in an anterior direction



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