Exam 8: 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.He presented 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?

Which of the following is a true statement regarding gliding movements?

Match the following: -Joint found only in the skull.

Figure 8.2 Using Figure 8.2, what type of axial movement does each joint have? -Joint 5.

Fibrous joints are classified as ________.

Moving your jaw forward,causing an underbite,is called ________.

The hip joint is a good example of a(n)________ synovial joint.

The gliding motion of the wrist uses ________ joints.

The ligaments that protect the alignment of the femoral and tibial condyles and limit the movement of the femur anteriorly and posteriorly are called ________.

Bending your head back until it hurts is an example of ________.

The articular surfaces of synovial joints play a minimal role in joint stability.

Match the following: -Tooth in socket.

Which of the following statements defines synchondroses?

A person who has been diagnosed with rheumatoid arthritis would be suffering loss of the synovial fluids.

Figure 8.2 Using Figure 8.2, what type of axial movement does each joint have? -Joint 6.

Synovial joints have six distinguishing features.What are they?

Why is muscle tone the most important stabilizing factor for most joints?

Baseball pitchers often require "Tommy John" surgery to repair damage to their elbow.Which ligament would this surgery target?

For each of the following movements,indicate the specific kind of joint involved (e.g.,hinge,etc.)and the movement performed (e.g.,extension,etc.). a.Bending the elbow: ________,________. b.Turning head side to side: ________,________. c.Lowering your arm to your side in the frontal plane: ________,________. d.Turning the sole of foot medially: ________,________.

Why are epiphyseal plates considered temporary joints?