6 How do nonaxial, uniaxial, biaxial, and multiaxial synovial joints differ? of

Question

6 How do nonaxial, uniaxial, biaxial, and multiaxial synovial joints differ? of the following correctly describes a pivot joint? a. The convex articular surface of one bone fits into a concave articular surface of another bone. b. One bone rotates around another bone. c. The flat articular surfaces of two bones glide past one another d. The rounded, ball-like end of one bone fits into a concave depression of another bone 8 Label the following parts of the knee joint in Figure 9.9. 9 J Anterior cruciate ligament Fibular collateral ligament lateral meniscus Patellar ligament Posterior cruciate ligament Tibial collateral ligament Medial meniscus RIGURE 9.9 Knee joint.

Explanation / Answer

Ans 7: The choice is (b): One bone rotates around another bone. Example: Pivot joint between radius and ulna that rotates the forearm, Pivot joint in neck that allows head to rotate.

Ans 8:

Left side of image:

1st from top is: Anterior cruciate ligament.

2nd is : Lateral meniscus

3rd is: Fibular collateral ligament.

Right side of image:

1st from top is: Posterior cruciate ligament

2nd from top is: Tibial collateral ligament

3rd from top is: Medial meniscus

4th is: Patellar ligament

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