8. Joints

Classification of Joints

Open Question
Match the key terms to the appropriate descriptions.Key:a. fibrous jointsb. cartilaginous jointsc. synovial joints_____(1) exhibit a joint cavity_____(2) types are sutures and syndesmoses_____(3) bones connected by collagen fibers_____(4) types include synchondroses and symphyses_____(5) all are diarthrotic_____(6) many are amphiarthrotic_____(7) bones connected by a disc of hyaline cartilage or fibrocartilage_____(8) nearly all are synarthrotic_____(9) shoulder, hip, jaw, and elbow joints
Open Question
Anatomical characteristics shared by all synovial joints include all excepta. articular cartilage, b. a joint cavity, c. an articular capsule,d. presence of fibrocartilage.
Open Question
The description 'Articular surfaces deep and secure; capsule heavily reinforced by ligaments and muscle tendons; extremely stable joint' best describesa. the elbow joint, b. the hip joint, c. the knee joint, d. the shoulder joint.
Open Question
Define joint.
Open Question
Which functional joint class includes freely moveable joints?

a. Amphiarthroses
b. Synarthroses
c. Diarthroses
d. All functional joint classes are freely moveable.
Open Question
Identify each of the following joints as synovial, fibrous, or cartilaginous.

a. Pubic symphysis______
b. Elbow joint_____
c. Epiphyseal plate_______
d. Frontal suture_________
e. Gomphosis___________
Open Question
Match the following terms with the correct definition from the right column.

____Plane joint
____Saddle joint
____Ball-and-socket joint
____Condylar joint
____Pivot joint
____Hinge joint

a. Uniaxial joint in which the rounded articular surface of one bone fits into a groove of another bone and is held in place by a ligamentous ring
b. Multiaxial joint in which the spherical articular surface of one bone fits into a cup or socket of another bone
c. Nonaxial joint in which two flat surfaces glide over each other
d. Uniaxial joint in which the convex articular surface of one bone fits into a concave articular depression
e. Biaxial joint in which the oval, convex articulating surface of one bone fits into the shallow depression of another bone
f. Biaxial joint in which each articular surface has both convex and concave regions
Open Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. The knee and the elbow are multiaxial joints.
Open Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

b. The elbow joint consists of two separate articulations.
Open Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

c. The patella is encased within the tendon of the quadriceps femoris muscle group.