Exam 8: Joints

Dislocations in the TMJ almost always dislocate posteriorly with the mandibular condyles ending up in the infratemporal fossa.

On the basis of structural classification, which is a fibrous joint?

A nurse is instructing the patient care assistants (PCAs) on transfer techniques. For patients needing to be slid toward the head of the bed, the nurse tells the PCAs to use a draw sheet under the patient's torso. She tells them to avoid pulling on their hands or arms. Based on your knowledge of the shoulder joint, explain why pulling on the extremities should be avoided.

Which of the following is a true statement?

Bending your head back until it hurts is an example of________.

Synovial fluid is present in joint cavities of freely movable joints. Which of the following statements is true about this fluid?

Compared to the shoulder, displacements of the hip joints are ________.

The gliding motion of the wrist uses ________ joints.

Greg is somewhat of a "weekend athlete" who has overextended himself by pitching multiple baseball games for a local team during the week and by playing golf on the weekends for several hours. Hepresented himself to the emergency room last week with severe shoulder pain (at the glenohumeral joint). The physician told him that the X-ray was not conclusive, but he may have damage to his rotator cuff. What is the rotator cuff, and how might he have caused this damage? What remedies will the physician recommend?

Fibrous joints are classified as ________.

Mary has been suffering from a "bad knee" for several months. She is a tennis player who often slides in to attack a ball; she is an aerobic devotee and a jogger. She visited an orthopedic surgeon last week who told her that he would "like to have a look at her knee joint." He also told her that her symptoms indicateddamage to the meniscus, and it might have to be removed. What will the doctor do to see the joint, and if the meniscus is removed will Mary be able to play tennis again?

Which of the following are cartilaginous joints?

While the fingers can exhibit flexion and extension and other angular motions, the thumb has much greater freedom. Why?

An example of an interosseous fibrous joint is ________.

Briefl y describe the structure of a typical synovial joint.

The ligaments that protect the alignment of the femoral and tibial condyles and limit themovement of the femur anteriorly and posteriorly are called________.

All of the following are factors that influence synovial joint stability except?

Which joint does not belong with the others?

Saddle joints have concave and convex surfaces. Identify a saddle joint of the skeleton.

What is moving a limb away from the midline of the body along the frontal plane called?