Term
| What 3 bones form the acetabulum? |
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Definition
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Term
| What ligaments contribute to the fibrous joint of the hip? |
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Definition
Iliofemoral ligament
Ischiofemoral ligament
Pubofemoral ligament |
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Term
| Where does the distal end of the iliofemoal ligament attach? |
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Definition
| The intertrochanteric line of the femur |
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Term
| Where does the proximal end of the iliofemoral ligament attach? |
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Definition
| The anterior inferior iliac spine and the margin of the acetabulum |
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Term
| What is the purpose of the iliofemoral ligament? |
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Definition
| Prevents overextension of the hip joint |
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Term
| During flexion of the femur, the iliofemoral ligament is taut/lax? |
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Definition
| Iliofemoral ligament becomes lax in flexion |
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Term
| During extension, the iliofemoral ligament becomes taut/lax? |
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Definition
| During extension the iliofemoral ligament becomes taut |
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Term
| The ischiofemoral ligament runs from where to where? |
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Definition
| The acetabular margin to the neck of the femur |
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Term
| What is the purpose of the ischiofemoral ligament? |
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Definition
| Limits extension of the hip joint |
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Term
| During extension of the femur, the ischiofemoral ligament because taut/lax? |
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Definition
| Taut during extension of the femur |
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Term
| What is the purpose of the transverse acetabular ligament? |
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Definition
| Bridges the acetabular notch and the acetabular labrum |
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Term
| Why can a fracture in the neck of the femur be bad news? |
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Definition
| It disrupts the blood supply to the head of the femur. If blood supply is insufficient, the head will become necrotic |
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Term
| In the knee joint, the tibial collateral ligament attaches where? |
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Definition
| To the medial meniscus through the joint capsule |
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Term
True or False:
The fibular ligament is attached to the external surface of the joint capsule |
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Definition
| FALSE: The fibular collateral ligament is NOT attached to the external surface of the joint capsule |
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Term
| Why is the fibular collateral ligament not attached to the external surface of the joint capsule? |
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Definition
| Becasue the popliteus tendon passes between the fibular collateral ligament and the joing capsule |
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Term
| What is the purpose of the oblique popliteal ligament? |
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Definition
| It reinforces the posterior surface of the knee joint capsule |
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Term
| Where are the cruciate ligaments relative to the joint capsule and synovial cavities? |
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Definition
| The cruciate ligaments are located outside of the synovial cavity but are inside the joint capsule |
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Term
| What does the quadriceps femoris tendon have to help it keep the patella centered? |
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Definition
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Term
| If the quadriceps femoris tendon is cut, what keeps the femur and tibia attached? |
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Definition
Two collateral ligaments
Two cruciate ligaments |
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Term
| What is the purpose of the posterior cruciate ligament? |
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Definition
| Prevents the tibia from being pushed posteriorly |
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Term
| What is the purpose of the anterior cruciate ligament? |
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Definition
| Prevents the tibia from being pulled anteriorly |
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Term
| What is anterior drawer sign? |
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Definition
| It indicates a rupture of the anterior cruciate ligament. The forward movement of the tibia when the leg is flex |
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Term
| Which is meniscus is attached to the tibial collateral ligament? |
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Definition
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Term
| Which meniscus is injured 6-7 times more, and why? |
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Definition
| The medial meniscus is because the medial meniscus is firmly attached to the tibial collateral ligament |
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Term
| What structures are involved in the "unhappy triad"? |
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Definition
Tibial collateral ligament
Medial meniscus
Anterior cruciate ligament |
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Term
| What are the four parts of the medial (deltoid) ligament of the ankle? |
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Definition
Posterior tibiotalar ligament
Tibiocalcaneal ligament
Tibionavicular ligament
Anterior tibiotalar ligament |
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Term
| What are the three parts of the lateral ligament of the ankle? |
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Definition
Posterior talofibular ligament
Calcaneofibular ligament
Anterior talofibular ligament |
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Term
| What are the only movements of the ankle joint? |
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Definition
| Dorsiflex and plantar flex |
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Term
| What is the most frequently major joint in the body? |
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Definition
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Term
| An ankle is sprained during what forcefull movement, and what ligament is usually injured? |
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Definition
| The lateral ligament of the ankle is injured when the foot is forcefully inverted |
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Term
| The movements of inversion and eversion are produced by what joints? |
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Definition
Transverse tarsal joint
Subtalar joint |
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Term
| What ligaments support the head of the talus and the longitudinal arch? |
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Definition
Plantar calcaneonavicular ligament
Tibialis posterior tendon |
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