1 / 37

Introduction to Biomechanics

Introduction to Biomechanics. IE497B Dr. R. A. Wysk. The human skeleton. Bone components. Cortical Bone. Osteonal Bone. Joints. Fibrous

phong
Download Presentation

Introduction to Biomechanics

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Introduction to Biomechanics IE497B Dr. R. A. Wysk

  2. The human skeleton

  3. Bone components

  4. Cortical Bone

  5. Osteonal Bone

  6. Joints • Fibrous • Fibrous joints connect bones without allowing any movement. The bones of your skull and pelvis are held together by fibrous joints. The union of the spinous processes and vertebrae are fibrous joints. • Cartilaginous • Cartilaginous joints are joints in which the bones are attached by cartilage. These joints allow for only a little movment, such as in the spine or ribs. • Synovial • Synovial joints allow for much more movement than cartilaginous joints. Cavaties between bones in synovial joints are filled with synovial fluid. This fluid helps lubricate and protect the bones. Bursa sacks contain* the synovial fluid.

  7. Synovial Joints • Synovial joints allow for much more movement than cartilaginous joints. Cavaties between bones in synovial joints are filled with synovial fluid. This fluid helps lubricate and protect the bones. Bursa sacks contain* the synovial fluid.

  8. Ball and socket Joints • A ball and socket joint allows for radial movment in almost any direction. They are found in the hips and shoulders.

  9. Ellipsoid Joints • Similar to a ball and socket joint -- allow the same type of movement to a lesser magnitude. The wrist is an ellipsoid joint.

  10. Saddle Joints • A saddle joint allows movement back and forth and up and down, but does not allow for rotation like a ball and socket joint.

  11. Pivot Joints • Pivot joints allow rotation around an axis. The neck and forearms have pivot joints. In the neck the occipital bone spins over the top of the axis. In the forearms the radius and ulna twist around each other.

  12. Gliding • In a gliding or plane joint bones slide past each other. Metacarpal and metatarsal joints are gliding joints

  13. The knee

  14. A bad joint?!? • 30-50% of all sports injuries • 0.2% of the general population per year for knee ligament problems • ACL and MCL are 90% of all sport injuries • Women are 2-8 times greater risk

  15. Long bone

  16. Long bone cont’d

  17. Summary • Human body is a very complex system • Bones are very strong mechanical members • Self healing • Can be very slippery

More Related