Procedure Atypes Of Joints

1. Review a textbook section on classification of joints.

2. Examine the human skull and articulated skeleton to locate examples of the following types of joints:

fibrous joints syndesmosis suture gomphosis cartilaginous joints synchondrosis symphysis synovial joints

3. Complete Part A of Laboratory Report 17.

4. Locate examples of the following types of synovial joints in the skeleton. At the same time, examine the corresponding joints in the models and in your own skeleton. Experiment with each joint to experience its range of movements.

ball-and-socket joint condyloid joint gliding joint hinge joint pivot joint saddle joint

5. Complete Parts B and C of the laboratory report.

DEMONSTRATION

E xamine a longitudinal section of a fresh synovial animal joint. Locate the dense connective tissue that forms the joint capsule and the hyaline cartilage that forms the articular cartilage on the ends of the bones. Locate the synovial membrane on the inside of the joint capsule. Does the joint have any semilunar cartilages (menisci)?

What is the function of such cartilages?

protraction retraction elevation depression

3. Have your laboratory partner do some of the preceding movements and see if you can identify correctly the movements made.

Critical Thinking Application

Describe a body position that can exist when all major body parts are flexed.

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Responses

  • Ceredic
    Does the joint have any semilunar cartilages?
    9 days ago

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