The joint of the wrist is of which type?

What is present in the ball-and-socket joint to reduce friction?

Match the following columns.

Column-$I$	Column-$II$
$(a)$ Hinge joint	$(1)$ Between atlas and axis
$(b)$ Pivot joints	$(2)$ Humerus and wrist
$(c)$ Ball and socket joint	$(3)$ Knee joint
$(d)$ Gliding joint	$(4)$ Shoulder

The joint between the femur and the acetabulum is known as:

In rabbits,the ends of long bones are connected to one another by:

An athlete while running fell on the track. She used her hands to sustain minimal injury. In the process,her hands received the maximum blow on the joints. Which combination of joints would be badly affected in this accident?