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Exercise 7B-2 Synovial Joints Synovial joints are also classified according to their structure. After reading through the following descriptions, label the six structural classes in Figure 7.32. The following synovial joints are listed in order of least to most moveable. Plane. The bones of plane joints have flat articular surfaces that allow the bones to glide past one another. Hinge. In a hinge joint, the bones fit together much like the hinge of a door. Generally, the convex articular surface of one bone fits into a concave articular surface of another bone. Pivot. In a pivot joint, one bone rotates or "pivots" around another bone. Generally, pivot joints consist of one bone with a rounded projection that fits into a groove of another bone. Condyloid. Condyloid joints consist of one bone that fits into the concave surface of another bone. Saddle. Note in Figure 7.32 that saddle joints somewhat resemble condyloid joints but permit a greater range of motion. Ball and socket. Ball-and-socket joints are named for the rounded, ball-like end of one bone that fits into the concave "socket" of another bone. A B C D E F FIGURE 7.32 The Structural Classes of Synovial Joints

          Exercise 7B-2
Synovial Joints
Synovial joints are also classified according to their structure. After
reading through the following descriptions, label the six structural
classes in Figure 7.32. The following synovial joints are listed in
order of least to most moveable.
Plane. The bones of plane joints have flat articular surfaces
that allow the bones to glide past one another.
Hinge. In a hinge joint, the bones fit together much like the
hinge of a door. Generally, the convex articular surface of one
bone fits into a concave articular surface of another bone.
Pivot. In a pivot joint, one bone rotates or "pivots" around another bone. Generally, pivot joints consist of one
bone with a rounded projection that fits into a groove of another bone.
Condyloid. Condyloid joints consist of one bone that fits into the concave surface of another bone.
Saddle. Note in Figure 7.32 that saddle joints somewhat resemble condyloid joints but permit a greater range
of motion.
Ball and socket. Ball-and-socket joints are named for the rounded, ball-like end of one bone that fits into the
concave "socket" of another bone.
A
B
C
D
E
F
FIGURE 7.32 The Structural Classes of Synovial Joints

Exercise 7B-2
Synovial Joints
Synovial joints are also classified according to their structure. After
reading through the following descriptions, label the six structural
classes in Figure 7.32. The following synovial joints are listed in
order of least to most moveable.
Plane. The bones of plane joints have flat articular surfaces
that allow the bones to glide past one another.
Hinge. In a hinge joint, the bones fit together much like the
hinge of a door. Generally, the convex articular surface of one
bone fits into a concave articular surface of another bone.
Pivot. In a pivot joint, one bone rotates or "pivots" around another bone. Generally, pivot joints consist of one
bone with a rounded projection that fits into a groove of another bone.
Condyloid. Condyloid joints consist of one bone that fits into the concave surface of another bone.
Saddle. Note in Figure 7.32 that saddle joints somewhat resemble condyloid joints but permit a greater range
of motion.
Ball and socket. Ball-and-socket joints are named for the rounded, ball-like end of one bone that fits into the
concave "socket" of another bone.
A
B
C
D
E
F
FIGURE 7.32 The Structural Classes of Synovial Joints

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