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Anatomy and Cell Biology 3319 Lecture 2: Joints

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erinwalrus1
9 Mar 2017
School
Western University
Department
Anatomy and Cell Biology
Course
Anatomy and Cell Biology 3319
Professor
Peter Merrifield

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Document Summary

Objectives: describe the different types of joints, describe the characteristics of a typical synovial joint, describe the characteristics of the shoulder joint, describe the characteristics of the hip joint, describe the characteristics of the knee joint. Definition a joint is the point at which two bones articulate with each other. Joints vary greatly in structure and function. The degree of movement at a joint is determined by the structure of. Classification of joints the joint: fibrous immoveable (synarthroses) connected by fibrous tissue; examples, sutures, tibiofibular joint, socket of tooth, cartilaginous - slightly moveable (amphiarthroses) 3) synovial highest degree of mobility (diarthroses) Mainly found in appendicular sketeton (classified by shape): highly moveable: plane intercarpal bones of hand, articular processes of vertebrae. Short movements in multiple directions: hinge elbow joint, interphalangeal joints. Cylindrical end of one bone articulates with trough of another. Uniaxial movement (one direction: pivot proximal radio-ulnar joint, atlas and axis.

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Related Questions

1. What would be the result if the sternocostal diarthroses wereto become fibrous and could no longer move easily?

2.Using your knowledge of joint anatomy & physiology explainwhy it is important for inactive patients to move their synovialjoints.

3. Why is the knee prone to injury?

4. Why is it important to avoid placing pressure on the axillae(under arm) area if a patient needs assistant moving

broken down answers to help study

  1. know which joint has no joint cavity
  2. know the term for freely movablejoint
  3. know the difference between syndesmoses,gomphosis, and suture and example for each.
  4. know Synarthroses, Amphiarthroses andDiarthroses
  5. know synchondrosis and examples forit
  6. know different parts and components ofsynovial joints
  7. know different types of movements likegliding, flexion, extension, circumduction and rotation.
  8. know the structural category of synovialjoints and know examples for them
  9. Know the different joint movements
  10. know the functions of muscle
  11. know isometric vs isotonic movment. Knowconcentric vs eccentric contraction
  12. know different layers of connective tissuesurrounding a skeletal muscle
  13. know the definition of fascicle,aponoresis, muscle fiber, myofibrils and myofilaments.
  14. know how an action potential releases Cafrom SR
  15. know different regions of a sarcomere,including A and I band, Z disc, H zone, M line etc
  16. know the structures of thick and thinfilaments
  17. know the sliding theory of musclecontraction
  18. know the effect of Ach esterase
  19. know the source of energy in skeletalmuscle, including glycolysis and its result
  20. know the definition of a muscle twitch,unfused and fused tetanus
  21. know different types of muscle fibers,slow oxidative, fast glycolytic and slow glycolytic fibers andtheir characteristics
  22. know the difference between spasm andcramp
  23. know oxygen debt, the reason and theresult
  24. know different part of a curve for muscletwitch
  25. know the process of smooth musclecontraction
  26. know the role of caldesmon and calponin inmuscle contraction
  27. know the counterpart of skeletal musclecomponents in the smooth muscle

1.Name the abnormal curve of the vertebral column that is a lateral bending, usually in the thoracic region (answer is one word)

2.Name the type of Fibrous joint that forms most of the skull joints between bones (answer is one word)

3.What is the name of the suture that is located between the left and right Parietal bones? (answer is one word)

4.Give the structural classification for the Temporomandibular joint (answer is one word)