8. Joints

All joints of the limbs are classified as __________ joints.

Multiple Choice

Why are there NO blood vessels inside the joint cavity of synovial joints?

Which of the following is a condylar joint?

All of the following are structural classifications of joints EXCEPT __________.

The joint that permits the greatest range of mobility of any joint in the body is the __________ joint.

The depth of the socket in a ball-and-socket joint does NOT usually affect joint stability.

A synovial joint is an example of a(n) __________.

Which of the following is NOT a synovial joint?

The joint at the base of the thumb is an example of a(n) __________ joint.

The role of synovial fluid is to __________.

Which of the following is NOT a synovial joint?

Which of the following is classified as a fibrous joint?

Which of the following joints has/have a joint cavity?

Which of the following joint classifications is not based on the joint's range of motion?

418

Match the key terms to the appropriate descriptions. Key: a. fibrous joints b. cartilaginous joints c. 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

156

Anatomical characteristics shared by all synovial joints include all except a. articular cartilage, b. a joint cavity, c. an articular capsule, d. presence of fibrocartilage.

144

The description 'Articular surfaces deep and secure; capsule heavily reinforced by ligaments and muscle tendons; extremely stable joint' best describes a. the elbow joint, b. the hip joint, c. the knee joint, d. the shoulder joint.

168

Which functional joint class includes freely moveable joints?

a. Amphiarthroses

b. Synarthroses

c. Diarthroses

d. All functional joint classes are freely moveable.

105

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___________

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

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.

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.

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.

Explain how the structure of each of the following joint types follows its function.

c. Synovial joint