Chapter 9

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The patella serves as a pulley by improving the angle of pull with the result being a greater mechanical advantage for the quadriceps during knee extension. A. True B. False

A. True

The sartorius, gracilis, and semitendinosus all insert just below the medial condyle on upper anteromedial tibial surface. A. True B. False

A. True

The tibia bears the majority of the weight as compared to the fibula. A. True B. False

A. True

The popliteus is innervated by the ____ nerve. A)femoral B)obturator C)sciatic D)tibial

D)tibial

The ____ ligament provides medial stability to the knee joint. A)anterior cruciate B)fibula collateral C)posterior cruciate D)tibial collateral

D)tibial collateral

knee extension

Rectus femoris Vastus lateralis Vastus intermedius Vastus medialis

Knee Internal Rotation

Semitendinosus Semimembranosus Popliteus

Knee External Rotation

biceps femoris

The iliotibial tract of the tensor fasciae latae inserts on Gerdy's condyle. A. True B. False

A. True

The lateral fibula serves as the attachment for knee joint structures but does not articulate with the femur or patella. A. True B. False

A. True

The _____ ligament provides lateral stability to the knee joint. A)anterior cruciate B)fibula collateral C)posterior cruciate D)tibial collateral

B)fibula collateral

The anterior and posterior cruciate ligaments are located on the outermost anterior and posterior surfaces of the knee joint. A. True B. False

B. False

The femoral condyles articulate with the fibular condyles during flexion of the knee. A. True B. False

B. False

The semimembranosus inserts anteromedially on the medial tibial condyle. A. True B. False

B. False

knee flexion

Biceps femoris(long and short heads) Semitendinosus Semimembranosus Popliteus

The ____ ligament provides posterior stability to the knee joint. A)anterior cruciate B)fibula collateral C)posterior cruciate D)tibial collateral

C)posterior cruciate

The biceps femoris is innervated by the ____ nerve. A)femoral B)gluteal C)obturator D)sciatic

D)sciatic

The semimembranosus is innervated by the ____ nerve. A)femoral B)gluteal C)obturator D)sciatic

D)sciatic

The knee joint is the largest joint in the body. A. True B. False

A. True

The ____ ligament provides anterior stability to the knee joint. A)anterior cruciate B)fibula collateral C)posterior cruciate D)tibial collateral

A)anterior cruciate

The rectus femoris is innervated by the ____ nerve. A)femoral B)gluteal C)obturator D)sciatic

A)femoral

The vastus intermedius is innervated by the ____ nerve. A)femoral B)gluteal C)obturator D)sciatic

A)femoral

The vastus lateralis is innervated by the ____ nerve. A)femoral B)gluteal C)obturator D)sciatic

A)femoral

The vastus medialis is innervated by the ____ nerve. A)femoral B)gluteal C)obturator D)sciatic

A)femoral

All three of the vasti muscles of quadriceps originate on proximal femur and insert on patellar superior pole. A. True B. False

A. True


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